Fretting fatigue behavior and life prediction of automotive steel bolted joint

被引：15
作者：
Jayaprakash, M. [2 ]
Mutoh, Y. [1 ]
Yoshii, K. [3 ]
机构：
[1] Nagaoka Univ Technol, Dept Syst Safety, Niigata 9402188, Japan
[2] Nagaoka Univ Technol, Dept Mat Sci, Niigata 9402188, Japan
[3] Topy Ind Ltd, Ctr Res & Dev, Toyohashi, Aichi 4418074, Japan
来源：
MATERIALS & DESIGN | 2011年 / 32卷 / 07期
关键词：
Fatigue; Ferrous metals and alloys; Failure analysis; FRACTURE-MECHANICS; CONTACT PRESSURE; SLIP;
D O I：
10.1016/j.matdes.2011.02.061
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fatigue tests of bolted joints of SAPH400 automotive steel plate were carried out. Effect of groove on fretting fatigue strength was investigated by introducing various geometries of grooves at contact edge. The fretting fatigue strength was improved by introducing groove: the fatigue strength increased with increasing groove depth. As the next step, the applicability of the tangential stress range-compressive stress range diagram to the bolted joints was investigated using the tangential stress range-compressive stress range diagram obtained from conventional laboratory-type SAPH400 steel specimens. The result showed that the fretting fatigue strength of actual component, i.e. the bolted joint could be successfully predicted based on the tangential stress range-compressive stress range diagram. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3911 / 3919
页数：9
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