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OALib Journal期刊
ISSN: 2333-9721
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Zr55Cu30Al12Ni3非晶超薄箔材的快速凝固焊接
, PP. 374-377
Keywords: 锆基非晶合金,超薄箔,快速凝固焊接,接头性能
Abstract:
应用微型储能焊机实现了厚度为25---35μm的Zr55Cu30Al12Ni3非晶箔材的快速凝固连接.XRD测试表明,接头仍为非晶结构.计算的接头冷却速率高达106K/s,远大于形成锆基非晶合金的临界冷却速率,有效地抑制了接头区的晶化.接头尺寸微小,直径为60---90μm,未产生气孔、夹杂等焊接缺陷.接头剪切强度高达1141MPa.高的电阻率特性使非晶合金的焊接能量明显低于晶态合金.
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