摘要
采用金相检验、扫描电镜、超声探伤等方法,对2502Ni4WA钢的不同形态的裂纹进行分析,结果表明,裂纹均是由组织应力、热应力引起的。
The different cracks of steel 25Cr2Ni4WA were analysed by metallography,SEM and ultrasonic inspection. The results show that the cracks were induced by structure stress and thermal stress.
出处
《物理测试》
CAS
2001年第3期34-39,共6页
Physics Examination and Testing
