Mechanical Properties and Microstructure of Dissimilar Friction Stir Welds of 11Cr-Ferritic/Martensitic Steel to 316 Stainless Steel
作者： Yutaka S. Sato , Hiroyuki Kokawa , Hiromichi T. Fujii , Yasuhide Yano , Yoshihiro Sekio
DOI: 10.1007/S11661-015-3152-5
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摘要: Dissimilar joints between ferritic and austenitic steels are of interest for selected applications in next generation fast reactors. In this study, dissimilar friction-stir welding an 11 pct Cr ferritic/martensitic steel to a 316 stainless was attempted the mechanical properties microstructure resulting welds were examined. Friction-stir produces stir zone without macroscopic weld-defects, but two not intermixed. The interleaved along sharp zigzagging interface zone. During small-sized tensile testing zone, did act as fracture site. Furthermore, refined both improved over adjacent base material regions. This study demonstrates that can produce contain no weld-defects display suitable properties.
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