残余应力测试在转向架构架返修中的应用

Application of residual stress testing on bogie frame repair

采用X射线法对转向架构架焊接部件返修位置与未进行返修位置进行残余应力状态的测试,分析比较两处位置残余应力应力状态,从残余应力的角度评价返修后产品使用的可行性。

In this paper, using the X ray method of residual stress test in the bogie frame welding products repair position,analyze and compare with the same position in the qualified product. Evaluate the reliability of using the repaired products in the residual stress way.