Bending strength of delaminated aerospace composites by Moustafa Kinawy, Richard Butler, and Giles...
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Transcript of Bending strength of delaminated aerospace composites by Moustafa Kinawy, Richard Butler, and Giles...
Bending strength of delaminated aerospace composites
by Moustafa Kinawy, Richard Butler, and Giles W. Hunt
Philosophical Transactions AVolume 370(1965):1780-1797
April 28, 2012
©2012 by The Royal Society
Delaminated beam coordinates and variables.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Force and moment components at the delamination edge.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Four-point bending test fixture showing specimen with delamination open (loaded above snap-buckling moment).
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Applied moment versus displacement for T800/M21 specimen.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Electron scanning microscopy (ESM) images of fracture surfaces for T800/M21 material.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Delamination extension versus number of cycles for T800/M21 specimens at a range of severities.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Delamination extension versus number of cycles for IM7/8552 specimens at a range of severities.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Equilibrium solutions showing analytical displacement Q1 against applied moment per unit width M for a range of imperfections Q0 (T800/M21 specimen).
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Out-of-plane displacement Q1 comparison for (a) T800/M21 specimen and (b) IM7/8552 specimen.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Strain energy release rate using the thin-film and mixed-mode analyses for the delaminated, post-buckled beam: T800/M21 specimens.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society
Strain energy release rate using the thin-film and mixed-mode analyses for the delaminated, post-buckled beam: IM7/8552 specimens.
Moustafa Kinawy et al. Phil. Trans. R. Soc. A 2012;370:1780-1797
©2012 by The Royal Society