Failure analysis of mill shaft roll

被引：9
|
作者：
Babakr A. [1 ]
Bradley R. [1 ]
Al-Ahmari A. [1 ]
机构：
[1] SABIC Technology Center, Jubail Industrial City 31961
来源：
Journal of Failure Analysis and Prevention | 2009年 / 9卷 / 2期
关键词：
Cyclic loads; Filler; Fracture; Inclusions; Reclamation; Rotational bending fatigue; Shaft; Slag; Stress risers; Weld; Weld porosity;
D O I：
10.1007/s11668-009-9215-4
中图分类号：
学科分类号：
摘要：
A strip mill roll shaft failure was investigated. The investigation revealed that the fatigue strength of the shaft had been compromised by a combination of several factors that included: inadequate fillet radius size, the use of dissimilar filler materials to rebuild the shaft surface, the presence of slag inclusions at the weld/alloy interface, and machining defects on the shaft surface. Such failures have occurred repeatedly, and this paper presents a case study investigating the cause of the problem and discusses possible remedial measures to prevent similar occurrences. © 2009 ASM International.
引用
收藏
页码：107 / 113
页数：6
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