Failure Analysis of the Screw Connection Rod of A Hoisting Machine

被引：0
|
作者：
Ma, Pengfei [1 ]
Wu, Shijing [1 ]
Zhu, Li [1 ]
Xiao, Wenkai [1 ]
机构：
[1] Wuhan Univ, Sch Mech & Power Engn, Wuhan, Hubei, Peoples R China
来源：
PROCEEDINGS OF THE 2017 3RD INTERNATIONAL FORUM ON ENERGY, ENVIRONMENT SCIENCE AND MATERIALS (IFEESM 2017) | 2017年 / 120卷
关键词：
brittle fracture; Widmanstatten structure; fracture morphology;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
The screw connecting rod of a hoisting machine suddenly breaks during the service at temperatures below 20 degrees C. In this article, the fracture surface, material, heat treatment process and mechanical properties of the connecting rod are analyzed. We find the low temperature brittle fracture of the screw is mainly caused by too large unbalanced load due to improper operation. The incorrect heat treatment process of the screw is one of the reasons for its fracture.
引用
收藏
页码：1039 / 1042
页数：4
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