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Abstract:
采用AgCu金属箔作中间过渡层,对TiNi形状记忆合金与不锈钢进行了瞬时液相扩散焊,分析了接头的显微组织、元素分布和物相组成等,研究了接头的抗剪强度和断裂方式.结果表明:接头界面区由TiNi侧过渡区,中间区,不锈钢侧过渡区组成,主要相分别为Ti (Cu,Ni,Fe),AgCu,TiFe等.连接温度为860℃,保温时间为60 min,连接压力为0.05 MPa时,接头最人抗剪强度为239 MPa.断裂发生在TiNi母材和AgCu中间层扩散界面上,断口为混合断裂形貌.通过中间层等温凝同过程动力学模型,结合界面形貌和元素扩散分析,认为TiNi SMA与不锈钢异种材料瞬时液相扩散焊过程存在明显的非对称性.
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稀有金属材料与工程
ISSN: 1002-185X
Year: 2011
Issue: 8
Volume: 40
Page: 1382-1386
0 . 7 0 0
JCR@2022
ESI Discipline: MATERIALS SCIENCE;
JCR Journal Grade:4
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WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 8
Chinese Cited Count:
30 Days PV: 10
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