摘要
结合实际检验断裂自攻螺钉的结果,得出原材料成分、渗碳层控制、设计和加工不合理及氢蚀是造成其断裂的主要原因。并提出相应的改进措施。
The composition of raw material, carburizing layer contrl, unreasonable design and procession and hydrogen corrosion were the main reasons which caused self-tapping screw fractured. And the improvement measures were proposed.
出处
《理化检验（物理分册）》
CAS
2009年第6期387-388,392,共3页
Physical Testing and Chemical Analysis(Part A:Physical Testing)
关键词
自攻螺钉
断裂
渗碳层
氢
self-tapping screws
fracture
carburizing layer
hydrogen
