摘要
分析了货车下心盘螺栓螺纹部位折断的宏、微观断口特征和失效性质、失效过程,以及造成货车下心盘螺栓折断的主要原因。
The paper discussed the macro and micro fracture characteristic of the rive position on thread of screw bolt used on bottom center plate of freight train. In addition, the nature, procedure and the reasons of the rive are studied.
出处
《铁道机车车辆》
2007年第3期20-22,共3页
Railway Locomotive & Car
关键词
下心盘螺栓
折断
失效分析
screw bolt used on bottom center plate
rive
failure analyses
