摘要
通过对大量破断碳钢13号车钩钩舌的断口分析，阐述热处理对车钩强度的重要影响。
By extensive fracture surface examinations on broken knuckle of No13 couplersmade of plain carbon steel,the author concludes that the conditions of heat treatment have asignificant influence on the strength of the couplers.
出处
《机车车辆工艺》
北大核心
1998年第6期5-8,共4页
Locomotive & Rolling Stock Technology
关键词
机车
钩舌
断钩
金相组织
热处理
强度
车钩
Coupler knuckle coupler failure metallographic structure heat treatmentstrength
