BEHAVIOR OF SHORT FATIGUE CRACKS IN A MEDIUM CARBON-STEEL SUBJECTED TO BENDING

被引：5
|
作者：
WU, XJ
机构：
[1] Department of Mechanical and Process Engineering, University of Sheffield, Sheffield, S1 3JD, Mappin Street
来源：
FATIGUE & FRACTURE OF ENGINEERING MATERIALS & STRUCTURES | 1991年 / 14卷 / 2-3期
关键词：
D O I：
10.1111/j.1460-2695.1991.tb00665.x
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The fatigue process of a 0.45% carbon steel was studied with hour‐glass shaped specimens under rotatary bending. The plastic replication technique was applied to observe surface short fatigue cracks. Fatigue cracks initiated continuously with increasing number of cycles. The failure of a specimen largely depended on the number and distribution of these short cracks. The relationship of surface fatigue crack density to both stress amplitude and number of cycles was determined. Copyright © 1991, Wiley Blackwell. All rights reserved
引用
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页码：369 / 372
页数：4
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