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Wednesday, May 18, 2005 - 1:50 PM
16.3
Sigma Phase Formation in Friction Stir Welding of Iron-Nickel-Chromium Alloys
C. D. Sorensen, Brigham Young University, Provo, UT; T. W. Nelson, BRIGHAM YOUNG UNIVERSITY, PROVO, UT
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Summary:
Sigma phase has been found in friction stir welds of a variety of stainless steels. This paper describes the differences in sigma formation in AL-6XN, 304L and 316L stainless, and a variety of special-purpose alloys.
