4140钢弯壳体断裂原因分析和改进措施

4140钢弯壳体断裂原因分析和改进措施

王锦永, 齐希伦, 曹洪波

Cause analysis and improvement measures of 4140 steel curved shell

Wang Jinyong, Qi Xilun, Cao Hongbo

金属热处理 . 2020, (9): 240 -243 . DOI: 10.13251/j.issn.0254-6051.2020.09.045