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gao su lie che yong 7n01 lv he jin jiao ban mo ca han yan jiu
Author(s): 
Pages: 74-76
Year: Issue:  3
Journal: Welding Technology

Keyword:  高速列车7N01铝合金搅拌摩擦焊接头力学性能;
Abstract: 针对高速列车用15 mm厚7N01铝合金的对搭接接头进行搅拌摩擦焊试验,对接头的宏观和微观组织进行了观察并对接头的力学性能进行了测试。研究结果表明,7N01铝合金FSW焊核区具有典型的洋葱环结构,接头中界面结合良好。焊核区和热机影响区分别为细小的等轴晶粒组织和高度塑性变形的晶粒组织。试验结果表明接头的力学性能良好。
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