Fracture analysis of hot mill work rolls

被引：0
|
作者：
Kapadia, BM
Marsden, KW
机构：
来源：
40TH MECHANICAL WORKING AND STEEL PROCESSING CONFERENCE PROCEEDINGS, VOL XXXVI | 1998年 / 36卷
关键词：
HSM work rolls; spalling; crack propagation; fracture toughness; fatigue; residual stresses; delamination;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The introduction of modern shape control technologies in hot strip mills imposes significantly elevated contact pressures resulting in a higher incidence of spalling failures in work rolls. To establish the essential parameters for crack tolerance analysis, the fatigue crack growth rate and fracture toughness properties of typical work roll materials were evaluated. These results along with FEA estimates of peak service stresses and evaluation of residual stresses in the roll body can be used to develop nondestructive inspection criteria for preventing service failures.
引用
收藏
页码：395 / 405
页数：11
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