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bu tong qian liao zhen kong qian han w-cu/18-8 gang jie tou zu zhi yu xing neng fen xi
Author(s): 
Pages: 14-17
Year: Issue:  9
Journal: Welding Technology

Keyword:  W-Cu合金钎料真空钎焊结合界面溶解扩散;
Abstract: 采用Cu-Mn-Co和BNi2这2种钎料对W-Cu合金和18-8不锈钢进行真空钎焊试验.铺展性试验表明,钎料对W-Cu母材有良好的润湿性;通过SEM,EDS对钎缝的微观组织、断口特征和元素分布进行测试,结果表明:钎焊接头的结合界面平整、致密,无气孔、裂纹等缺陷产生,钎料成分与母材元素在界面相互溶解扩散,反应形成固溶体和新相,大幅度提高W-Cu/18-8钢的接头强度.
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