摘要
C100摩托车起动轴在启动时突然断裂。采用宏观观察、电镜分析、金相检验和显微硬度检测等方法对断口进行了分析。结果表明,该轴在镀锌过程中氢原子沿晶界进入晶格,在应力作用下发生脆断。
The starter axis of C100 motor was broken abruptly while starting. The fracture cause was analyzed by macroscopic view, SEM, metallographic examination, and microhandness test. The results showed that was embrittleness fracture which was resulted from hydrogen atom penetrating into surface of axis during plating Zn.
出处
《理化检验（物理分册）》
CAS
2007年第10期532-534,共3页
Physical Testing and Chemical Analysis(Part A:Physical Testing)
关键词
摩托车
起动轴
冰糖状
沿晶裂纹
鸡爪痕花样
准解理
有效硬化层
Motorcycle
Starter axis
Rock candy shape
Edge crystal crack
Chick claw trace pattern
Quasie-cleavage
Validated hardened layer
