陈明和
Professor
Education Level:南京航空航天大学
Degree:Doctoral Degree in Engineering
School/Department:College of Mechanical and Electrical Engineering
Discipline:Aeronautical and Astronautical Manufacturing Engineering. Material Process Engineering
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Affiliation of Author(s):机电学院
Journal:热加工工艺
Key Words:TC4;扩散连接;剪切强度;扩散连接温度;连接压力;连接时间;
Abstract:通过正交试验研究了TC4钛合金的真空扩散连接工艺,进行了扩散连接接头的剪切强度试验。通过光学显微镜(OM)、扫描电镜(SEM)等分析手段,研究扩散连接温度、压力、时间等参数对TC4真空扩散连接质量及扩散连接接头剪切强度的影响。结果表明:扩散连接温度920℃,压力3 MPa,保温保压30 min时,扩散连接界面完全与基体相融,局部微孔等缺陷基本消失,孔洞弥合率达到98.63%,扩散连接接头的剪切强度为467.83 MPa,达到了母材剪切强度(480MPa)的97.46%。
Translation or Not:no
Date of Publication:2017-09-04
Co-author:何辰佳,xls
Correspondence Author:cmh
