机车车辆零部件常用材料浅裂纹扩展的研究及其应用 主要完成单位:铁道部科学研究院,兰州、上海、长沙、大连铁道学院,北方交通大学,西南交通大学,大连机车车辆工厂,株洲电力机车工厂。 该研究对铁路机车车辆零部件10种常用金属材料在15种热处理状态下的浅裂纹扩展问题进行了系统深入的实验和理论研究,经采 Research and Application of Light Crack Propagation in Common Parts of Rolling Stock Components Mainly Completed by: Scientific Research Institute of Ministry of Railways, Lanzhou, Shanghai, Changsha, Dalian Railway Institute, North Jiaotong University, Southwest Jiaotong University, Dalian Rolling Stock Works, Zhuzhou Electric Locomotive factory. The study conducted systematic and in-depth experimental and theoretical studies on the shallow crack propagation of 10 kinds of commonly used metallic materials of railway rolling stock parts under 15 kinds of heat treatment conditions.