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
E-Mail:
Hits:
Affiliation of Author(s):机电学院
Journal:宇航材料工艺
Key Words:微通道热交换器;T2紫铜;扩散连接;多目标遗传算法;
Abstract:基于遗传优化算法,进行了T2紫铜同种材料扩散连接工艺研究。采用正交试验方法,结合BP神经网络和多目标遗传算法,以扩散连接时的温度、压力、保温时间为输入变量,以扩散连接后的试样焊合率和变形量为输出变量,对扩散连接工艺参数进行优化,并实施相应的扩散连接验证试验。结果表明:T2紫铜合适的扩散连接工艺参数为:温度780℃、压力7. 5 MPa、保温时间120 min,此条件下焊合率可达95. 26%,变形量为0. 166 mm。采用此工艺参数进行微通道热交换器零件制造,厚度方向变形量0. 162 mm,经超声C扫描后连接情况良好,经耐压防漏检测后满足密封性及设计要求。
ISSN No.:1007-2330
Translation or Not:no
Date of Publication:2019-10-15
Co-author:叶建华,xls,苏楠,罗峰
Correspondence Author:cmh
