Identification of Microstructure of Thin-Gauge Austenitic and Ferritic Stainless Steel Braze Joints

Cyan = Ni Pink = Fe Blue = Cr Red = Al

Cyan = Ni

Red = Al

White=Ni+Al

Black.=borides

Blue = Cr Red = Al

E. A. Leone, A, Rabinkin, B. Sarna, “Microstructure of thin-gauge austenitic and ferritic stainless steel joints brazed using Metglas® amorphous foil,” Welding in the World, 50 (no ½), pp 3-15, 2006.

120 um50 um 135 um100 um

Example of EDX Mapping Analysis Across Braze Joint

1 2 3

Si

Cr

Ni

Fe

Example of EDX Linescan Analysis Across Braze Joint