'International Conference on the Strength of Materials …Environmental effect offatigue crack...
Transcript of 'International Conference on the Strength of Materials …Environmental effect offatigue crack...
MATERIALSSCIENCE &GINEERINGAStructural Materials: Properties,Mlcrostructure and ProcessingVolume A234-236 (1997)
llth International Conference on the Strength of Materials
25-29 August 1997, Prague, Czech Republic
Guest Editor: P. Lukas
EDITOR-IN-CHIEF
H. HERMAN
ASSOCIATE EDITORS
M. KOIWA
G. KOSTORZ
C.C. KOCH
Advisory Board
(MSE A and B)H. Herman, Chairman (USA)H. Curien (France)M.E. Fine (USA)A. Kelly, FRS (UK)R. Lang (Japan)H. Mughrabi (Germany)P. Rama Rao (India)
EDITORIAL BOARD
J. Agren (Sweden)
G. Ananthakrishna (India)R.J. Arsenault (USA)D. Brandon (Israel)H.K.D.H. Bhadeshia (UK)J. Cadek (Czech Republic)J.B. Cohen (USA)J. Driver (France)J.D. Embury (Canada)Y. Estrin (Australia)H. Fischmeister (Germany)C. Garcia de Andres (Spain)H. Gleiter (Germanv)M.W. Grabski (Poland)M. Kato (Japan)Y.G. Kim (Korea)C. Laird (USA)J. Lendvai (Hungary)W. Mader (Germany)M. McLean (UK)L. Priester (France)S. Sampath (USA)
V.K. Sarin (USA)P. Shen (Taiwan)M. Suery (France)S. Suresh (USA)N.S. Stoloff (USA)M. Taya (USA)A.K. Vasudevan (USA)A. Vevecka (Albania)B. Wilshire (UK)M. Yamaguchi (Japan)T.S. Yen (China)
PRINT AND ELECTRONIC
MEDIA REVIEW EDITOR
A.H. King (USA)
ADMINISTRATIVE EDITOR
Barbara Herman
AMSTERDAM—LAUSANNE—NEW YORK—OXFORD—SHANNON—TOKYO
ELSEVIER
Wmmm na?erialsgSSaBBr science &
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ELSEVIER Materials Science and Engineering A234-236 (1997) vii-xvii =========
Contents
Preface 1 xix
Preface xxi
Invited papers
The present experimental knowledge of dynamic strain ageing in binary f.c.c. solid solutions
C. Schwink, A. Nortmann (Braunschweig, Germany) 1
Mesoscopic simulations of dislocations and plasticityB. Devincre, L.P. Kubin (BP, France) 8
Mechanical properties of iron- and nickel-base aluminides
V. Paidar (Praha, Czech Republic) 15
Dispersion strengthening of intermetallics
E. Arzt, R. Behr, E. Gohring, P. Grahle, R.P. Mason (Stuttgart, Germany) 22
High temperature intergranular damage and fracture
V. Sklenicka (Brno, Czech Republic) 30
Elastic and plastic properties of thin films on substrates: nanoindentation techniquesW.D. Nix (Stanford, CA, USA) 37
Physical aspects of plastic instabilities
P. Lukac, J. Balik, F. Chmelik (Praha, Czech Republic) 45
Modelling crack tip plastic zones and brittle-ductile transitions
S.G. Roberts (Oxford, UK) 52
Structure and mechanical properties of ultrafine-grained metals
R.Z. Valiev (Ufa, Russia) 59
Fifty-year study of the Peierls-Nabarro stress
F.R.N. Nabarro (Pretoria, South Africa) 67
The strength of nanocrystalline metals with and without flaws
P.G. Sanders, C.J. Youngdahl, J.R. Weertman (IL, USA) 77
Contributed papers
Tensile yield and strain hardening of homogeneous ethylene copolymers compared with heterogeneous copolymersS. Elkoun, V. Gaucher-Miri, R. Seguela (Villeneuve d'Ascq, France) 83
Modelling of creep damage to estimate remaining life
H. C. Furtado (Rio de Janeiro, Brazil), I. Le May (SK, Canada) 87
High temperature creep of two nanocrystalline alloys
Q.P. Kong, B. Cai, M.L. Xiao (Hefei, People's Republic of China) 91
On the ductile to brittle transition in austenitic steel
P. Milliner (Stuttgart, Germany) 94
Dislocation structures in cyclically deformed copper bicrystals
Y.M. Hu, Z.G. Wang (Shenyang, People's Republic of China) 98
Deformation mechanisms operating in a tungsten heavy alloyE. Pink, S. Kumar (Leoben, Austria) 102
On the strain hardening behaviour of Al-Si-Mg casting alloys
Q.G. Wang, C.H. Caceres (Brisbane QLD, Australia) 106
In-situ cyclic deformation of Al single crystals in the HVEM and the concept of internal backstresses
M.E. Kassner (Corvallis, OR, USA) 110
Kinetics and statistics of jerky flow: experiments and computer simulations
M. Lebyodkin, L. Dunin-Barkovskii (Chernogolovka, Russia), Y. Brechet (Saint-Martin d'Heres, France), L. Kubin
(Chatillon, France), Y. Estrin (Nedlands, WA, Australia) 115
Shielding model of fracture in WC-Co
M. Kotoul (Brno, Czech Republic) 119
Creep studies of AZ91D pressure die casting
M. Regev, A. Rosen (Haifa, Israel), E. Aghion (Israel), 123
viii Contents
Effect of strain rate on low-cycle fatigue behaviour and mechanism of SiCp/Lyl2 compositeP. Yang, M. Zhang, F. Xu, S. Gong (Nanchang, People's Republic of China) 127
Investigation of damage and plasticity in LiF, NaCl and CaCO, single crystals under radiation of a pulse laser
V.A. Feodorov, I.V. Ushakov, V.P. Shelohvostov (Tambou, Russia) 132
Investigation of a growing fatigue crack by means of a discrete dislocation model
F.O. Riemelmoser, R. Pippan (Leoben, Austria) 135
Features of dynamic strain aging in high strength Al-Zn-Mg-Cu alloyK. Peng, W. Chen, H. Zhang, K.-W. Qian (Fujian, People's Republic of China) 138
Order of Fe3Al alloys and their yield stress
P. Kratochvil, J. Kopecek, J. Pesicka (Prague, Czech Republic) 142
The yield strength of iron alloys and the contribution of lattice bond
H. Hildebrand (Freiberg, Germany) 145
Analysis of bending of cross sections of tensile tested electrodeposited copper foils
J. Yang (Iksan, South Korea), S.-H. Lee (Kyongki, South Korea), D.N. Lee (Seoul, South Korea) 149
Creep behaviors of highly pure aluminum at lower temperaturesK. Ishikawa, H. Okuda, Y. Kobayashi (Saitama, Japan) 154
Influence of superconducting transition on low temperature jump-like deformation of metals and alloysV.V. Puslovalov (Kharkov, Ukraine) 157
A new understanding on the relation among microstructurc micro inlerfacial mechanical behaviours and macro
mechanical properties in cast iron
Z.R. He, G.X. Lin, S. Ji (Fuzhou, People's Republic of China) 161
Effect of ageing on the evolution of precipitates in AlSiCuMg alloysW. Reif (Berlin, Germany), J. Dutkiewicz, R. Ciach (Krakow, Poland), S. Yu (Berlin, Germany), J. Krol (Krakow,Poland) 165
The precipitation strengthening of directionally solidified Al Si Cu alloys
J. Krol (Krakow, Poland) 169
Activation energy of creep in <001>-oriented superalloy CMSX-4 single crystalsJ. Svoboda, P. Lukas (Brno, Czech Republic) 173
Unification of the Peierls and the Friedel models into a general combined theory of dislocation pinning
B.V. Petukhov (Moscow, Russia) 177
Fatigue properties of Al-Mg alloys with and without scandium
O. Roder, T. Wirtz, A. Gysler, G. Lutjering (Hamburg, Germany) 181
Atomistic modelling of contribution of dislocations to crack opening displacementsA. Machova, F. Kroupa (Prague, Czech Republic) 185
Influence of grain size and heat treatment on the microstructure and mechanical properties of the nickel-base
superalloy U 720 LI
F. Torster, G. Baumeister, J. Albrecht, G. Lutjering (Hamburg, Germany), D. Helm, M.A. Daeubler (Miinchen,
Germany) 189
Statistical models for cyclic strain hardening of copper single crystalsH. Martikka (Lappeenranta, Finland), P. Kettunen (Tampere, Finland) 193
Low-cycle fatigue of a metal-matrix composite: Influence of pre-straining on the fatigue life
H. Biermann, G. Beyer, H. Mughrabi (Erlangen, Germany) 198
Nanometer sliding of [001] symmetric tilt boundaries in copper with boundary precipitatesR. Monzen, N. Takada (Kanazawa, Japan) 202
The model of formation and disintegration of vein dislocation structure
M. Saxlova, J. Kratochvil, J. Zatloukal (Prague, Czech Republic) 205
The model of PSB formation
V. Gregor, J. Kratochvil, M. Saxlova (Prague, Czech Republic) 209
Atomic structure of grown-in antiphase boundaries (APB2) in the Fe-28Al-5Cr (at.%) alloyM. Karlik (Praha, Czech Republic) 212
Shape memory effects under combined forces
P. Sittner (Prague, Czech Republic), M. Takakura, M. Tokuda (Tsu, Japan) 216
Environmental effect of fatigue crack propagation of magnesium alloyY. Kobayashi, T. Shibusawa, K. Ishikawa (Saitama, Japan) 220
Carbon-carbon compositeQ, Gu, P. Kettunen (Tampere, Finland) 223
Importance of grain boundary chemistry on the high-temperature plastic flow in oxide ceramics
T. Sakuma, Y. Ikuhara, Y. Takigawa, P. Thavorniti (Tokyo, Japan) 226
Site occupancy of alloying elements in Ti3Al compounds
D.S. Xu, Y. Song, D. Li, Z.Q. Hu (Shenyang, People's Republic of China) 230
Numerical approach to the I-S effect in ferritic heat-resisting steels
K. Hara, T. Endo (Yokohama, Japan) 234
Contents IX
Anisotropic creep behavior of a nickel-based superalloy compared with single phase nickel solid solution and / phase
single crystals
C. Knobloch (Berlin, Germany), V. SaB (Bochum, Germany), D. Sieborger, U. Glatzel (Jena, Germany) 237
Hot deformation regimes, their influence on structure and mechanical properties of silumin based composite materials and
specific features of this influence
V.G. Trifonov, I.V. Kamalova (Ufa, Russia), V.S. Romanova, V.N. Platonov (, Russia) 242
Microstructure evaluation during plastic deformation in a centrifugal spray deposition (CSD) Ti-48Al-2Mn-2Nb alloy
W. Chen, H. Xie, K. Qian (Fuzhou, People's Republic of China), H. Gu (Xi'an, People's Republic of China) ...245
Link between the individual and continuum approaches of the description of the collective behavior of dislocations
I. Groma, P. Balogh (Budapest, Hungary) 249
Evolution of precipitates in AlLiCu and AlLiCuSc alloys after age-hardening treatment
J. Dutkiewicz (Krakow, Poland), O. Simmich, R. Scholz (Halle, Germany), R. Ciach (Krakow, Poland) 253
Characterization of dislocation structures and internal stresses in Al-Mg alloys during recovery by synchrotron radiation
M. Verdier, F. Bley (Saint Martin d'Heres, France), M. Janecek (Praha, Czech Republic), F. Livet, J.P. Simon,
Y. Brechet (Saint Martin d'Heres, France) 258
Interpretation of the measurement of activation parameters in Ll2 alloysG. Saada (Chatillon, France), J. Bonneville, P. Spatig (Lausanne, Switzerland) 263
Mechanical properties of a high-strength cupronickel alloy-Bayesian neural network analysis
R.J. Grylls (Birmingham, UK) 267
Phase stability and mechanical properties of Fe3Al with addition of transition elements
Y. Nishino, S. Asano, T. Ogawa (Nagoya, Japan) 271
Stress anomaly in Ll2 alloys: the 'extended-locking/unzipping' model
F. Louchet (St. Martin d'Heres, France) 275
Damage and rupture mechanisms in a bipercolated material: the example of austenoferritic duplex steels
B. Verhaeghe, F. Louchet, Y. Brechet, J.P. Massoud (St Martin d'Heres, France) 279
Chemical aspects of brittle fracture: grain boundary segregation
P. Lejfiek (Praha, Czech Republic), S. Hofmann (Stuttgart, Germany), A. Krajnikov (Kiev, Ukraine) 283
Creep behaviour at elevated temperatures of an Al-Cu-Mg-Ag alloy
J. Wang, X. Wu, K. Xia (Parkville, Victoria, Australia) 287
Mechanical properties of Al-Li-Cu icosahedral quasicrystals
F. Semadeni, N. Baluc, J. Bonneville (Lausanne, Switzerland) 291
Order-softening of Cu-10at.%Au
E. Nembach, H. Rosner, O. Kuhlmann (Miinster, Germany) 295
Dislocation mechanisms in Al-rich Al-Li alloysH. Rosner, A. Kalogeridis, W. Liu, J. Pesicka, E. Nembach (Miinster, Germany) 298
Computer simulation of Peierls stress by using lattice statics Green's function
K. Ohsawa, E. Kuramoto (Fukuoka, Japan), T. Suzuki (Tokyo, Japan) 302
The effect of natural ageing on the evolution of yield strength during artificial ageing for Al-Mg-Si-Cu alloys
W.J. Poole (Vancouver, B.C., Canada), D.J. Lloyd (Kingston, Ont, Canada), J.D. Embury (Hamilton, Ont,
Canada) 306
The temperature and strain-rate dependence of the flow stress of icosahedral AlPdMn single-quasicrystals
D. Brunner, D. Plachke, H.D. Carstanjen (Stuttgart, Germany) 310
Chaos and the jerky flow in Al-Mg polycrystalsG. Ananthakrishna (Bangalore, India), C. Fressengeas (Metz, France), L.P. Kubin (Chatillon, France) 314
On the sweeping of dipolar loops by gliding dislocations
J. Kratochvil, M. Saxlova (Prague, Czech Republic), B. Devincre, L.P. Kubin (Chatillon, France) 318
Characteristics of damage and fracture process of carbon fiber reinforced plastic under loading-unloading test by using AE
method
S.-T. Kim, Y.-T. Lee (Kyongsan, South Korea) 322
Strengthening of Ll2-ordered mtermetallics by fine precipitation of coherent disordered phases
M. Nemoto, H. Takesue, Z. Horita (Fukuoka, Japan) 327
The X-ray characterization of the ultrafine-grained Cu processed by different methods of severe plastic deformation
I.V. Alexandrov (Ufa, Russia), K. Zhang (Shenyang, People's Republic of China), A.R. Kilmametov (Ufa, Russia),
K. Lu (Shenyang, People's Republic of China), R.Z. Valiev (Ufa, Russia) 331
Thermal structure changes in copper and nickel processed by severe plastic deformation
R.K. Islamgaliev (Ufa, Russia), F. Chmelik, R. Kuzel (Prague, Czech Republic) 335
Influence of severe plastic deformation on aging effect of Al-Zn-Mg-Cu-Zr alloy
V.V. Stolyarov, V.V. Latysh, V.A. Shundalov, D.A. Salimonenko, R.K. Islamgaliev, R.Z. Valiev (Ufa, Russia). . .339
Cavity damage accumulation and fracture in SiO,-doped zirconia during superplastic deformation
H.Y. Yasuda, K. Hiraga (Ibaraki, Japan)343
x Contents
Simulation of electron microscope dislocation images in cubic and non-cubic structures
H. Heinrich, F. Krai, G. Kostorz (Zurich, Switzerland) 347Calculation of antiphase boundary energies in intermetallics
F. Krai, P. Schwander, B. Schonfeld, G. Kostorz (Zurich, Switzerland) 351Plastic deformation of uniaxially aligned lamellar y/a2 titanium aluminides containing chromium
P. Szaszvari, D. Wilkins, H. Heinrich, G. Kostorz (Zurich, Switzerland) 354Mechanical properties and interphase boundary composition of ferritic steels strengthened by yttrium and titanium
disperse oxides
A.V. Krajnikov, A.N. Demidik (Kiev, Ukraine), H.M. Ortner (Darmstadt, Germany) 357Radiation of electromagnetic waves from edge dislocations moving in ionic crystal
K.A. Chishko, O.V. Charkina (Kharkov, Ukraine) 361
Superplasticity in the aluminium-zinc eutectoid—an early model revisited
A. Ball (Cape Town, South Africa) 365Calculation of theoretical strength of solids by linear muffin-tin orbitals (LMTO) method
P. Sandera, J. Pokluda, L.G. Wang, M. Sob (Brno, Czech Republic) 370Optical substructure and serrations in hot deformed Al-5.8 at.% Mg alloy
E. Cerri, E. Evangelista (Ancona, Italy), H.J. McQueen (Montreal, Canada) 373
Creep characterization of a duplex Ti-Al base alloy at 700 and 750°C
S. Spigarelli, L. Francesconi (Ancona, Italy), C. Guardamagna (Milano, Italy), E. Evangelista (Ancona, Italy) . . .378
The effect of mean stress on the high-temperature fatigue behaviour of SAE 1045 steel
H-J. Christ (Siegen, Germany), C.K. Wamukwamba (Lusaka, Zambia), H. Mughrabi (Erlangen, Germany) 382
Instability of cyclic stress-strain response in austenitic stainless steel single crystalsY. Kaneko, S. Hashimoto (Kyoto, Japan) 386
Microhardness of thin molybdenum films
V. Navratil, T. Sikola (Brno, Czech Republic) 390
Calculation method for the fatigue limit of parts of case hardened steels
H. Bomas, P. Mayr, M. Schleicher (Bremen, Germany) 393
On the dynamics of dislocation patterningJ.M. Salazar, O. Politano (Dijon, France), D. Walgraef (Bruxelles, Belgium) 397
Effect of geometry and volume fraction of fibers on creep in short fiber reinforced aluminum alloysJ. Phillips (Lausanne, Switzerland), M. Staubach, B. Skrotzki, G. Eggeler (Bochum, Germany) 401
Simulation of Frank-Read sources in silicon
A. Moulin, M. Condat (Orsay, France) 406
Orientation dependence of plastic deformation in NiAl single crystalsJ. Mielec, V. Novak, N. Zarubova, A. Gemperle (Praha, Czech Republic) 410
Anisotropy of transformation characteristics of Cu-base shape memory alloysV. Novak, P. Sittner, N. Zarubova (Prague, Czech Republic) 414
On the temperature dependence of slip inhomogeneity in Fe3AlA. Brinck, C. Engelke, H. Neuhauser (Braunschweig, Germany) 418
Physics of hydroxyapatite plasma coatings on TiNi shape memory materials
P. Filip (Poruba, Czech Republic), A.C. Kneissl (A 8700 Leoben, Austria), K. Mazanec (Poruba, Czech Republic) 422
The plasticity of potassium
W. Pichl, M. Krystian (Wien, Austria) 426
Isothermal plastic forming of high-carbon steel
S. Rusz (Frydek-Mistek, Czech Republic), J. Sinczak, W. Lapkowski (Krakow, Poland) 430
New microstructural concepts to optimize the high-temperature strength of /-hardened monocrystalline nickel-based
superalloysH. Mughrabi, M. Ott, U. Tetzlaff (Erlangen, Germany) 434
Defect analysis in high temperature deformed Al single crystalsM. Zehetbauer, M. Gortler, R. Krai, E. Schafler (Wien, Austria), P. Vostry, I. Stulikova (Praha, Czech Republic). 438
Work hardening by deformation induced vacancies in low temperature deformed aluminium single crystalsR. Swiatek, M. Zehetbauer (Wien, Austria), B. Mikulowski (Krakow, Al Mickiewicza, Poland) 441
Dislocation densities and internal stresses in large strain cold worked pure iron
E. Schafler, M. Zehetbauer (Wien, Austria), A. Borbely, T. Ungar (Budapest VIII, Hungary) 445
Discontinuous flow in Cu-2Be at various strain rates
Z. Trojanova (Praha, Czech Republic), V. Groger, J. Stelzhammer, G. Bischof (Vienna, Austria) 449
Hardening and strain rate sensitivity in stage IV of deformation in f.c.c. and b.c.c. metals
P. Les, H.P. Stuewe (Leoben, Austria), M. Zehetbauer (Wien, Austria) 453
Contents xi
Internal and effective stress analysis in stainless steels using the statistical approach method
F. Fardoun (Villeneuve d'Ascq, France), J. Polak (Brno, Czech Republic), S. Degallaix (Villeneuve d'Ascq, France) 456
Retardation of creep in <001>-oriented superalloy CMSX-4 single crystals by superimposed cyclic stress
P. Lukas, L. Kunz, J. Svoboda (Brno, Czech Republic) 459
Influence of martensitic transformation on the low-cycle fatigue behaviour of 316LN stainless steel at 77 KM. Botshekan, S. Degallaix, Y. Desplanques (Villeneuve d'Ascq, France) 463
Dispersion hardening of metals by nanoscaled ceramic powdersJ. Naser, W. Riehemann, H. Ferkel (Clausthal-Zellerfeld, Germany) 467
Grain stabilisation of copper with nanoscaled Al203-powderJ. Naser, H. Ferkel, W. Riehemann (Clausthal-Zellerfeld, Germany) 470
Electrodeposition of particle-strengthened nickel films
H. Ferkel, B. Muller, W. Riehemann (Clausthal-Zellerfeld, Germany) 474
Anomalous strain hardening behaviour of a supersaturated Al-Zn-Mg alloyA. Deschamps (St Martin, d'Heres, France), L. Le Sinq (Hamilton Ont., Canada), Y, Brechet (St Martin, d'Heres,
France), J.D. Embury, M. Niewczas (Hamilton Ont., Canada) 477
Influence of second-phase morphology and topology on mechanical and fracture properties of Al-Si alloysM. Lebyodkin (Chernogolovka, Russia), A. Deschamps, Y. Brechet (Saint-Martin d'Heres, France) 481
On grain boundary facetting under stress during high temperature deformation of Al and Al-Ga alloysD. Weygand, J.J. Blandin, B. Doisneau-Cottignies, Y. Brechet (St. Martin d'Heres, France) 485
Mechanical properties of aluminized CoCrAlY coatings in advanced gas turbine blades
J. Kameda, T.E. Bloomer (Ames, IA, USA), Y. Sugila, A. Ito (Nagoya, Japan), S. Sakurai (Hitachi, Japan) .... 489
Properties of alloy steel coatings oxidized during plasma sprayingK. Volenik, V. Novak, J. Dubsky, P. Chraska, K. Neufuss (Praha, Czech Republic) 493
Texture and grain-size effects on cyclic plasticity in copper and copper-zincJ.V. Carstensen, O.B. Pedersen (Roskilde, Denmark) 497
On the microstructural origin of primary creep in nickel-base superalloysM. Heilmaier (Dresden, Germany), B. Reppich (Erlangen, Germany) 501
Deformation behaviour of oxide-dispersion-strengthened silver
U. Grundmann (Dresden, Germany), M. Gerner (Freiberg, Germany), M. Heilmaier (Dresden, Germany), U. Martin
(Freiberg, Germany), L. Schultz (Dresden, Germany), H. Oettel (Freiberg, Germany) 505
The influence of texture and grain structure on the high temperature low-cycle fatigue behaviour of the ODS nickel-based
superalloy PM 1000
F.E.H. Muller, M. Heilmaier, L. Schultz (Dresden, Germany) 509
The instability of plastic deformation in as-quenched martensite
P. Wyslych (Ostrava, Poruba, Czech Republic), E. Mazancova (Ostrava, Kuncice, Czech Republic), K. Mazanec
(Ostrava, Poruba, Czech Republic) 513
FEM simulation of fatigue crack growthV. Oliva, L. Cseplo, A. Materna, L. Blahova (Prague, Czech Republic) 517
First-principles calculations of energies of impurities and doping effects at grain boundaries in nickel
L.G. Wang, C.Y. Wang (Beijing, China) 521
Influence of liquid-phase inclusion on high-temperature deformation behavior in Al-Bi alloysJ. Koike, K. Miki, K. Maruyama, H. Oikawa (Sendai, Japan) 525
Effects of grain boundary amorphous phase on high-temperature ductility in alumina polycrystalsJ. Koike, H. Oikawa, S. Wakiya, T. Takeda, K. Maruyama (Sendai, Japan) 529
Computer simulation of Portevin-LeChatelier effect based on strain softening model
R. Onodera, T. Morikawa, K. Higashida (Fukuoka, Japan) 533
Crack tip dislocations and their shielding effect in MgO thin crystalsK. Higashida, S. Okazaki, T. Takahashi (Fukuoka, Japan), N. Narita (Kitakyushu, Japan), T. Morikawa, R.
Onodera (Fukuoka, Japan) 537
Interaction of deformation and short-range order during post-deformation annealing in a-CuAl
M. Spanl, P. Rosenkranz, W. Pfeiler (Vienna, Austria) 541
Atomic structure and energetics of constricted screw dislocations in copper
T. Rasmussen (Lyngby, Roskilde, Denmark), K.W. Jacobsen (Lyngby, Denmark), T. Leffers, O.B. Pedersen
(Roskilde, Denmark) 544
Investigations on the transition from jerky to viscous glide in CuAl at elevated temperaturesA. Nortmann, H. Neuhauser (Braunschweig, Germany) 548
Plan-view observation of crack tips by focused ion beam/transmission electron microscopyH. Saka, S. Abe (Nagoya, Japan) 552
An analysis of creep damage in a welded low alloy steel rotor
J.E. Indacochea, R.A. Seshadri (Chicago, IL, USA) 555
xii Contents
Mechanical strength of GeSi solid solution
I. Yonenaga (Sendai, Japan) 559
The effect of local textures on microcrack propagation in fatigued f.c.c. metals
C. Blochwitz, R. Richter, W. Tirschler (Dresden, Germany), K. Obrtlik (Brno, Czech Republic) 563
On the evolution of disorientations in dislocation cell structures during plastic deformation
W. Pantleon (Freiberg, Germany) 567
Creep behavior and microstructural stability of Al-Cu-Mg-Ag and Al-Cu-Li-Mg-Ag alloys
S.M. Kazanjian, N. Wang, E.A. Starke, Jr. (Charlottesville, VA, USA) 571
Nucleation of microcracks in localised slip bands: A dislocation model
J. Toribio, V. Kharin (La Coruna, Spain) 575
Microstructure evolution in a pearlitic steel subjected to progressive plastic deformation
J. Toribio, E. Ovejero (La Coruna, Spain) 579
Relation between creep strength and strength for specific creep strain at temperatures up to 1200°C
V. Bina, J. Hakl (Praha, Czech Republic) 583
On the role of free surface in acoustic emission
D. Merson, M. Nadtochiy, V. Patlan (Togliatti, Russia), A. Vinogradov, K. Kitagawa (Kanazawa, Japan) 587
Plastic deformation of copper single crystals under cyclic loadingK. Kitagawa, O. Toyomoto (Kanazawa, Japan) 591
Temperature dependence of dislocation dissociation mode in Ll2 trialuminides
K. Fukunaga, K. Yamada, Y. Miura (Fukuoka, Japan), M. Kolbe (Bochum, Germany) 594
Influence of He implanted surface layer on the mechanical properties of Fe-3%Si alloy
Y. Nakamura, H. Sueyoshi (Kagoshima, Japan), M. Kutsuwada (Fukuoka, Japan) 598
Dislocation structures and flow stress
N. Hansen, X. Huang (Roskilde, Denmark) 602
Phenomenological modeling of the mechanical anisotropy in AlZnMg extruded profilesA. Fjeldly, H.J. Roven (Trondheim, Norway) 606
The composite-like structure formation of lead brass by heterogenization of deformation at high temperatureH. Dybiec, A. Korbel (Krakow, Poland) 610
Thermodynamics of substructure transformations under plastic deformation of metals and alloys
N.A. Koneva, E.V. Kozlov, L.I. Trishkina, E.E. Pekarskaya (Tomsk, Russia) 614
Magnetoplastic effect in nonmagnetic crystals
V.I. Alshits, E.V. Darinskaya, O.L. Kazakova, E.Y. Mikhina, E.A. Petrzhik (Moscow, Russia) 617
Fatigue crack initiation in fibre-metal laminate GLARE 2
A. Vasek, J. Polak, V. Kozak (Brno, Czech Republic) 621
Dislocations and extended defects in A1N deformed at high temperatures
V. Feregotto, A. George, J.-P. Michel (Nancy, France) 625
Cooperative generation of dislocation loops and the brittle-to-ductile transition
M. Khantha, D.P. Pope, V. Vitek (Philadelphia, PA, USA) 629
Damage assessment in an Al/SiC composite during monotonic tensile tests using synchrotron X-ray microtomographyJ.-Y. Buffiere, E. Maire, C. Verdu (Villeurbanne, France), P. Cloetens (Grenoble, France), M. Pateyron, G. Peix
(Villeurbanne, France), J. Baruchel (Grenoble, France) 633
A model relating grain size to the endurance limit and non-propagating crack behaviour
A. Plumtree (Waterloo, ON, Canada) 636
Generalised constitutive laws for f.c.c. single crystals
L. Tabourot (Annecy, France), M. Fivel, E. Rauch (Saint Martin d'Heres, France) 639
A model of reversible cyclic deformation of a dislocation vein structure
R. Sedla5ek (Erlangen, Germany) 643
Creep behaviour of natural rock salt and its description with the composite model
P. Weidinger (Erlangen, Germany), A. Hampel (Hannover, Germany), W. Blum (Erlangen, Germany), U. Hunsche
(Hannover, Germany) 646
Electrochemical evaluation of pinhole defects in TiN films prepared by r.f. reactive sputteringH. Uchida, S. Inoue, K. Koterazawa (Himeji, Japan) 649
The stresses and work hardening rates of mild steel with different dislocation patterns
E.F. Rauch (Saint Martin d'Heres, France) 653
Dislocation glide on non-compact crystal planes in copper
A. Orlova, K. Kuchafova, I. Podstranska, J. Bfezina (Brno, Czech Republic) 657
Peierls friction stresses and dynamic strain ageing in TiAl and Fe-30at.% Al alloysG. Molenat, A. Couret, D. Caillard (Toulouse, France) 660
Contentsxiii
Transmission electron microscopy study of precipitate morphology and precipitate overcoming processes in aluminum
alloy 6056 T6
M. Vivas, P. Lours, C. Levaillant (Albi, France), A. Couret, M.J. Casanove, A. Coujou (Toulouse, France) ....664
A study of the transmision of the deformation at the ordered domain interfaces in a TiAl lamellar alloy
S. Zghal, A. Couret (Toulouse, France)668
Microstructural study of deformation in grain boundary region during plastic deformation of polycrystalline aluminium
Q. Liu, N. Hansen (Roskilde, Denmark) 672
The importance of grain-to-grain interaction during rolling deformation of copper
T. Leffers, H. Christoffersen (Roskilde, Denmark) 676
Identification of cyclic softening and a-e hysteresis in austenitic steel with plasticity-induced martensitic transformation
J. Kaleta, G. Zietek (Wyspianskiego, Poland) 680
Anisotropy of the critical resolved shear stress of a /(47 vol.%)-hardened nickel-base superalloy and its constituent y- and
y '-single-phases
A. Nitz, E. Nembach (Miinster, Germany) 684
TEM observation and computer simulation of the interaction of superlattice dislocations with disordered y-precipitates in
Ll2-ordered y'-(Ni,Co)3(Al,Ti) intermetallics
W. Liu, T. Pretorius, H. Rosner (Miinster, Germany), D. Ronnpagel (Braunschweig, Germany), E. Nembach
(Miinster, Germany)687
In situ deformation experiments on a y/y' superalloy: Strengthening mechanisms
M. Benyoucef (Marrakech, Morocco), A. Coujou (Toulouse, France), B. Barbker (Casablanca, Morocco), N.
Clement (Toulouse, France)692
On the role of incomplete Kear-Wilsdorf locks in the yield stress anomaly of Ni3Al
D. Caillard, G. Molenat (Toulouse, France), V. Paidar (Praha, Czech Republic) 695
The self-excited wave nature of the instability and localisation of plastic deformation
L.B. Zuev, V.I. Danilov, N.V. Kartashova, S.A. Barannikova (Tomsk, Russia) 699
Influence of strain rate on the microstructure of a thermo-mechanically processed medium carbon microalloyed steel
M. Carsi (Madrid, Spain), F. Peiialba (San Sebastian, Spain), M.T. Larrea, O.A. Ruano (Madrid, Spain) 703
Effect of tempering on the microstructure and strength of martensitically hardened plain carbon steels
B. Hoffmann, O. Vohringer, E. Macherauch (Karlsruhe, Germany) 707
Cyclic deformation behaviour of quenched and tempered AISI 4140 at two-step tensile-compressive-loading
V. Schulze, K.-H. Lang, O. Vohringer, E. Macherauch (D 76128 Karlsruhe, Germany) 711
Creep-fatigue behaviour of CoCr22Ni22W14 in the temperature range 850°C< T< 1200°C
A. Mondel (Neckarsulm, Germany), K.-H. Lang, D. Lohe, E. Macherauch (Karlsruhe, Germany) 715
Thermal-mechanical and isothermal fatigue of IN 792 CC
T. Beck, G. Pitz, K.-H. Lang, D. Lohe (Karlsruhe, Germany) 719
The role of microstructure in brittle fracture behaviour of low alloy tempered bainitic steel
L. Valka, M. Holzmann, I. Dlouhy (Brno, Czech Republic) 723
Orientation dependence of surface relief topography in fatigued copper single crystals
K. Obrtlik, J. Man, J. Polak (Brno, Czech Republic) 727
Microstructural and analytical study of thermally sprayed WC-Co coatings in connection with their wear resistance
C. Verdon, A. Karimi, J.-L. Martin (Lausanne, Switzerland) 731
Dislocation and kink motion study in the bulk SiGe alloy single crystals
N.V. Abrosimov (Chernogolovka, Russia; Berlin, Germany), V. Alex (Berlin, Germany), D.V. Dyachenko-Dekov, Y.
L. Iunin, V.I. Nikitenko, V.I. Orlov (Chernogolovka, Russia), S.N. Rossolenko (Chernogolovka, Russia; Berlin,
Germany), W. Schroder (Berlin, Germany)735
Development of microstructure and texture in extruded NiAl
W. Skrotzki, M. Lemke, C.-G. Oertel, R. Tamm (Dresden, Germany) 739
Effect of deformation temperature on cyclic plasticity
C. Holste, J. Bretschneider, B. Tippelt (Dresden, Germany)743
Correlated studies of Vickers hardness and the yield stress of NaCl crystals doped with Ni2 +
,Ca2+ and Eu2+
M. Suszyhska (Wroclaw, Poland), P. Grau (Halle, Germany), M. Szmida (Wroclaw, Poland), D. Nowak-Wozny
(Halle, Germany)747
The effect of second phase on the creep deformation of 6061A1 matrix composites.
N. Matsuda, J. Akaike, K. Hongo, K. Matsuura (Yonezawa, Japan)751
Temperature dependence of dislocation microstructure in Ni3(Al,Hi)
T. Kruml, B. Viguier, J. Bonneville, J.L. Martin (Lausanne, Switzerland) 755
Interpretation of plastic deformation by means of dislocation-disclination reaction kinetics
M. Seefeldt, P. Klimanek (Freiberg, Germany)758
Effects of orientation correlations on misorientation distributions in cold-deformed aluminium
D.J. Jensen (Roskilde, Denmark)762
XIV Contents
Cyclic plasticity of recrystallized Mo at low temperaturesD.L. Chen, B. Weiss, R. Stickler (Vienna, Austria) 766
Characteristics of plastic flow in Ni3(Al,Hf) single crystalsJ. Bonneville, T. Kruml, J.-L. Martin, B. Matterstock, B. Viguier, P. Spatig (Lausanne, Switzerland) 770
Non-destructive characterisation of microstructure evolution in Mg based metal matrix composites submitted to thermal
cyclingF. Chmelik, Z. Trojanova (Praha, Czech Republic), J. Kiehn (Clausthal-Zellerfeld, Germany), P. Lukac (Praha,
Czech Republic), K. Ulrich Kainer (Clausthal-Zellerfeld, Germany) 774
Effect of lay-up sequence on mechanical properties and fracture behaviour of advanced CFRP laminate composite
Y. Tomita, K. Morioka (Osaka, Japan) 778
The dependence of the threshold stress for superplastic flow on structure
P. Malek, M. Cieslar (Prague, Czech Republic) 782
Modelling of strain hardening and its relation to the onset of Portevin-Le Chatelier effect in Al-Mg alloysR. Krai, P. Lukac (Praha, Czech Republic) 786
Inhomogeneity of mechanical properties and deformation instabilities in Al-Cu-Li-Mg alloyM. Cieslar, P. Vostry (Prague, Czech Republic), V. OcenaSek (Odolena Voda, Czech Republic), I. Stulikova (Prague,Czech Republic) 790
A theoretical model for threading dislocation reduction during selective area growth
G.E. Bcltz, M. Chang (Santa Barbara, CA, USA), M.A. Eardley (Berkeley, CA, USA), W. Pompe (Dresden,
Germany), A.E. Romanov (St. Petersburg, Russia), J.S. Speck (Santa Barbara, CA, USA) 794
Stability of microstructure in magnesium reinforced by nanoscaled alumina particles
Z. Trojanova, P. Lukac (Praha, Czech Republic), H. Ferkel, B.L. Mordike, W. Riehemann (Clausthal-Zellerfeld,
Germany) 798
Effects of high-temperature air and vacuum exposure on tensile properties and fracture of ODS alloy MA6000
Y. lino (Nagoya, Japan) 802
X-ray diffraction analysis of internal stresses in the dislocation structure of cyclically deformed nickel single crystalsM. Hecker, E. Thiele, C. Holste (Dresden, Germany) 806
The influence of temperature and strain rate on microstructural evolution of polycrystalline copper
D. Ostwaldt, P. Klimanek (Freiberg, Germany) 810
X-ray substructure analysis in cold-rolled titanium
A. Weidner, P. Klimanek (Freiberg, Germany) 814
Investigation of texture and dislocation density in rolled /? -brass by X-ray and neutron diffraction
D. Breuer, P. Klimanek (Freiberg, Germany) 818
Microprocesses of the deformation of NiAl single crystalsU. Messerschmidt, R. Haushalter, M. Barlsch (Halle/Saale, Germany) 822
Hot working and microstructure in 409 ferritic steel
E.V. Konopleva, M. Sauerborn, H.J. McQueen, N.D. Ryan (Montreal, Canada), R.G. Zaripova (Ufa, Russia)... 826
Subgrain development in hot working of Al and Al-5Mg
H.J. McQueen, I. Poschmann (Montreal, Canada) 830
Effect of strain rate on the cyclic hardening of Zircaloy-4 in the dynamic strain aging temperature range
M.G. Moscato, M. Avalos, I. Alvarez-Armas (Rosario, Argentina), C. Petersen (Karlsruhe, Germany), A.F. Armas
(Rosario, Argentina) 834
On the influence of one-point-bend impact test parameters on dynamic stress intensity factor variation
I.V. Rokach (Kielce, Poland) 838
Formation of disorientations in aluminium single crystals during hot-compression
J. Trotzschel, W. Pantleon, M. Haberjahn, P. Klimanek (Freiberg, Germany) 842
Dislocation dynamics and fracture processes in two-phase titanium aluminide alloys
U. Lorenz, F. Appel, R. Wagner (Geesthacht, Germany) 846
On the high cycle fatigue behavior of duplex stainless steels: Influence of thermal agingL. Llanes, A. Mateo (Barcelona, Spain), P. Violan, J. Mendez (Futuroscope, France), M. Anglada (Barcelona, Spain) 850
Experimental analysis of plastic deformation of steel grains: Comparison with polycrystal models predictionsC. Lineau (Noisy-le-Grand, France), C. Rey, P. Viaris de Lesegno (Villetaneuse, France) 853
Dynamic evolution of fine grained structure and superplasticity of 7075 aluminum alloyT. Sakai, X. Yang, H. Miura (Tokyo, Japan) 857
Multicracking in low cycle fatigue—a surface phenomenon?J. Stolarz (Saint-Etienne, France) 861
Photoplastic effect and Vickers microhardness in III-V and II-VI semiconductor compounds
S. Koubaiti, J.J. Couderc, C. Levade, G. Vanderschaeve (Toulouse, France) 865
Plastic deformation of a Ti-6% Al-4% V alloy with a strong transverse-type crystallographic a-texture at elevated
temperaturesJ.S. Lecomte, M.J. Philippe (Metz, France), P. Klimanek (Freiberg, Germany) 869
Contents xv
The alloying effect on the high temperature deformation of Laves phase NbCr2 intermetallic compoundM. Yoshida (Miyagi Prefecture, Japan), T. Takasugi (Sendai, Japan) 873
Dislocation reactions and microstructural instability during 1025°C shear creep testing of superalloy single crystalsM. Kolbe, K. Neuking, G. Eggeler (Bochum, Germany) 877
Influence of technological parameters of permanent mold casting and die casting on creep and strength of
Mg alloy AZ91DE.M. Gutman, Y. Unigovski, M. Levkovich (Beer-Sheva, Israel), Z. Koren (Haifa, Israel), E. Aghion, M. Dangur(Beer-Sheva, Israel) 880
Influence of cycling frequency on cyclic creep characteristics of nickel base single-crystal superalloyJ. Zrnik (Koslce, Slovakia), J,A. Wang (Chengde, China), Y. Yu (Dalian, China), L. Peijing (Beijing, China),P. Horiiak (Kosice, Slovakia) 884
Dislocation-hydrogen interactions during stress corrosion cracking in FCC metals: experiments on single crystals andnumerical simulations
D. Delafosse, J.-P. Chateau, A. Chambreuil, T. Magnin (St Etienne, France) 889The plastic deformation of 18R long range ordered Cu-Zn-Al single crystals: The temperature and strain rate dependence
of the critical stress and the influence of dynamic strain agingA. Cuniberti (Tandil, Argentina), M. Ahlers (SC de Bariloche, Argentina), R. Romero (Tandil, Argentina) 893
Simulation of X-ray diffraction-line broadening for a material containing misfitting precipitatesT.C. Bor, R. Delhez, E.J. Mittemeijer, E. Van der Giessen (AL Delft, The Netherlands) 896
Structural and strength characterization of steels subjected to bonding thermochemical processE. Melendez, I. Campos, E. Rocha, M.A. Barron (CP, Mexico) 900
A unique description of steady state deformation of Al and Al-Mg alloysG. Bermig, A. Bartels, H. Mecking (Hamburg, Germany), Y. Estrin (Nedlands WA, Australia) 904
The effect of alloying on the mechanical performance and substructure of aluminum at large strains
M. Richert, A. Korbel (Krakow, Poland) 908
Constant structure creep experiments in aluminum, AlMg and AlZn solid solutions
K. Milifika, F. Dobes, J. Slamenikova (Brno, Czech Republic) 912
Mechanism of the drop in the dependence of yield stress on neutron irradiation dose for low-alloy steel
A.V. Nikolaeva, Y.A. Nikolaev (Moscow, Russia) 915
The effects of environment and internal oxygen on fatigue crack propagation in Ti-6A1-4V
M.R. Bache, W.J. Evans (Swansea, UK), M. McElhone (Derby, UK) 918
3D simulation of a nanoindentation test at a mesoscopic scale
M. Fivel, M. Verdier, G. Canova (St Martin d'Heres, France) 923
Structure and properties of ultra-fine grained aluminium alloys produced by severe plastic deformation
M.V. Markushev (Ufa, Russia), C.C. Bampton (Thousand Oaks, CA, USA), M.Y. Murashkin (Ufa, Russia),D.A. Hardwick (Thousand Oaks, CA, USA) 927
Analysis of creep pore formation in liquid-phase sintered alumina
M. Klatt, D. Bellmann, R. Kampmann, R. Wagner (Geesthacht, Germany), C. Wolf, H. Hiibner (Hamburg,Germany) 932
Modelling of work hardeningJ. Kroc, J. Balik, P. Lukac (Prague, Czech Republic) 936
Experimental and numerical determination of the intragranular work hardening in a cold rolled multicrystalG. Mohamed (Paris, France), B. Bacroix (Villetaneuse, France), T. Ungar (Budapest VIII, POB, Hungary),J.L. Raphanel, T. Chauveau (Villetaneuse, France) 940
Plastic deformation and fracture of solids at the mesoscale level
V.E. Panin (Tomsk, Russia) 944
Solid petroleum residue as macroscopic model systems for the study of microstructure in metal materials
D.V. Kulikov, I.R. Kuzeev (Ufa, Republic of Bashkortostan, Russia) 949
Enhanced plasticity in metal matrix composites during thermal cycling under load
S. Durieux, J.Y. Buffiere, G. Lormand (Villeurbanne, France), A. Rapoport (Suresnes, France), A. Vincent
(Villeurbanne, France) 953
On the formation and motion of <010>—dislocations during high temperature low stress creep of superalloysingle crystalsA. Dlouhy (Bmo, Czech Republic), G. Eggeler (Bochum, Germany) 958
Transition from power-law to viscous creep behaviour of P-91 type heat-resistant steel
L. Kloc, V. Sklenicka (Brno, Czech Republic) 962
Cyclic shear tests on Aluminium 3004 and 5182 alloys: macroscopic behaviour and substructural developmentG.F. Dirras (Villetaneuse, France) 966
Short crack growth kinetics and fatigue life of materials
J. Polak, K. Obrtlik, A. Vasek (Brno, Czech Republic) 970
Effect of initial textures on deformation mechanisms and texture evolutions of Zra polycrystals deformed by channel-die
compression tests
H. Francillette, B. Bacroix, M. Gasperini (Villetaneuse, France), J.L. Bechade (Gif-Sur-Yvette, France) 974
XVI Contents
Some aspects of fatigue crack growth at cyclic conditions with overstressing
V. Linhart, I. Cerny (Praha, Czech Republic) 978
Internal fields and other contributions to flow stress
E.V. Kozlov, N.A. Koneva (Tomsk, Russia) 982
A comparative examination of superplastic flow and fracture in metals and ceramics
A.H. Chokshi (Bangalore, India) 986
Deformation anisotropy of /?-Sn crystals by microindenter
M. Fujiwara (Koriyama, Japan) 991
Mechanisms of primary creep in ajfi titanium alloys at lower temperatures
S. Suri, T. Neeraj, G.S. Daehn, D.-H. Hou (Columbus, OH, USA), J.M. Scott (Dayton, OH, USA), R.W. Hayes
(Northridge, CA, USA), M.J. Mills (Columbus, OH, USA) 996
Dislocation arrangements in single crystalline silicon fatigued in tension/compression
J. Degli-Esposti, A. Jacques, A. George (Nancy, France) 1000
Dissociation of a dislocation into partial dislocations bounding an unstable stacking fault
S. Takeuchi (Chiba, Japan), K. Edagawa (Tokyo, Japan) 1004
Experimental analysis of bifurcation and post bifurcation in iron single crystals
C. Rey, P. Viaris De Lesegno (Villetaneuse, France) 1007
The role of solute segregation and precipitation at dislocations to enhance continuous recrystallization
J. Li, S. Saimoto (Ontario, Canada) 1011
Dislocation-defect analysis during micro-indentation using displacement rate changes
S. Saimoto, B.J. Diak, K.R. Upadhyaya (Ontario, Canada) 1015
The determination of solute clusters in dilute aluminum alloys using strain rate sensitivity
B.J. Diak, S. Saimoto (Ontario, Canada) 1019
The rate controlling deformation mechanism in high strain rate superplasticity
R.S. Mishra, A.K. Mukherjee (California, CA, USA) 1023
The tensile creep behavior of superplastic tetragonal zirconia doped with small amounts of Si02
K. Hiraga, H.Y. Yasuda, Y. Sakka (Ibaraki, Japan) 1026
The deformation of copper single crystals at 4.2°K
M. Niewczas, Z.S. Basinski, J.D. Embury (Hamilton, Ontario, Canada) 1030
A study of dynamic embrittlement in bicrystals of Cu-7%Sn
R.C. Muthiah, J.A. Pfaendtner, C.J. McMahon, Jr., Y. Xu, J.L. Bassani (Philadelphia, PA, USA) 1033
Simulation of the long-term cyclic creep behaviour of a low alloyed ferritic chromium steel
S. Straub, P. Polcik, D. Henes, W. Blum (Erlangen, Germany) 1037
Evaluation of friction stresses in the y phase of a nickel-base superalloy: 'In situ' deformation experiments
M. Jouiad, F. Pettinari, A. Coujou, N. Clement (Toulouse, France) 1041
Evolution of microstructure and acceleration of creep rate in tempered martensitic 9Cr-W steels
F. Abe (Tsukuba, Japan)1045
The effect of carbide distributions on long-term creep rupture strength of SUS321H and SUS347H stainless steels
H. Tanaka, M. Murata, F. Abe, K. Yagi (Tsukuba, Japan) 1049
Atomic periodicity of <001> symmetric tilt boundary in molybdenum
K. Morita, H. Nakashima (Fukuoka, Japan) 1053
On the behaviour of mechanical twinning in Cu-Al single crystals
M.S. Szczerba (Krakow, Poland)1057
Fracture toughness anisotropy of PZT
J.M. Calderon-Moreno, F. Guiu, M. Meredith, M.J. Reece (London, UK) 1062
Effects of the third element on creep behavior of Al-Mg and aFe-Be solid solution alloys
H. Sato, K. Maruyama, H. Oikawa (Sendai, Japan)1067
Effect of impurities on the electronic structure of grain boundaries and intergranular cohesion in iron and tungsten
G.L. Krasko (Aberdeen, USA) 1071
Theoretical tensile stress in tungsten single crystals by full-potential first-principles calculations
M. Sob, L.G. Wang (Brno, Czech Republic), V. Vitek (Philadelphia, PA, USA) 1075
Inherent creep strength and long term creep strength properties of ferritic steels
K. Kimura, H, Kushima, F. Abe, K. Yagi (Ibaraki, Japan) 1079
The test environment effect on the mechanical properties of austenitic stainless steels
K.J. Kurzydlowski (Warsaw, Narbutta, Poland) 1083
Creep damage in welded joints of a Ni-base heat-resistant alloy Hastelloy XR
T. Tanabe, Y. Kurata, I. Mutoh, H. Tsuji, K. Hiraga, M. Shindo (Ibaraki, Japan) 1087
Vanadium-spinel composites for structural applications in hostile environments
R.B. Schwarz, C.J. Wetteland, T.D. Shen, E. Ustundag, K.E. Sickafus (Los Alamos, NM, USA) 1091
A general model for metal plasticity
K. Marthinsen, E. Nes (Trondheim, Norway) 1095
Contents xvii
Cross-slip and dislocation climb in nickel-base superalloys
A.C. Picasso, A.J. Marzocca, I. Alvarez (Pcia. de Buenos Aires, Argentina) 1099
Plastic anisotropy in b.c.c. transition metals
K. Edagawa, T. Suzuki (Tokyo, Japan), S. Takeuchi (Chiba, Japan) 1103
Deformation and fracture characteristics in TiAl at room temperature and 800°C
J.M.K. Wiezorek, M.J. Mills, H.L. Fraser (Columbus, OH, USA) 1106
Temperature dependence of superstructure and fundamental reflections: study of a creep deformed single crystal nickel
base superalloy AMIA. Royer (Grenoble, France), P. Bastie, M. Veron (Saint-Martin-d'Heres, France) 1110
Mechanical properties of Ag-Ni super-laminates produced by rollingS. Kikuchi (Shiga, Japan), H. Kuwahara, N. Mazaki, S. Urai (Kyoto, Japan), H. Miyamura (Shiga, Japan) ....
1114
Mean stress sensitivity in fatigue of a, (a 4- /?) and /? titanium alloys
J. Lindemann, L. Wagner (Cottbus, Germany) 1118
Slip behaviour and energy storage process during uniaxial tensile deformation of austenitic steel
W. Oliferuk (Warsaw, Poland), A. Korbel (Krakow, Poland), M.W. Grabski (Warsaw, Poland) 1122
Fracture mechanical evaluation of the effects of grinding residual stresses on bending strength of ceramics
R. Hessert, B. Eigenmann, O. Vohringer, D. Lohe (Karlsruhe, Germany) 1126
Author index 1131
Subject index 1135