魏守征,韩玉杰,王建国,李志勇,张英乔

• 1:中北大学焊接研究中心
• 2:中航工业北京航空制造工程研究所
• 3:太原重工轨道交通设备有限公司实验中心

摘要(Abstract)：

采用Al-Si焊丝对TA2钛与1060Al进行平板对接脉冲熔化极氩弧(P-MIG)熔钎焊试验,用扫描电镜(SEM)、能谱仪(EDS)等对接头显微组织进行分析;采用拉伸力学性能试验评价接头的可靠性,并对拉伸断口形貌进行分析。结果表明:采用P-MIG焊可获得可靠的TA2/1060Al熔钎焊接头,工艺具有良好的稳定性和可重复性;TA2钛与焊缝通过形成一层芽状Ti(Al,Si)3实现钎焊结合,Ti(Al,Si)3厚度在1~5μm;拉伸测试中Ti/Al熔钎焊接头全部断裂于铝母材中,钛侧钎焊界面的结合强度超过了铝母材。

关键词(KeyWords)： TA2钛;1060铝;熔钎焊;显微组织;断口形貌

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 魏守征,韩玉杰,王建国,李志勇,张英乔

DOI: 10.13289/j.issn.1009-6264.2017-0418

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