Fretting fatigue phenomenon in bolted high-strength steel plate connections

被引：12

作者：

Hamalainen, Olli-Pekka ^{[1
]}

Bjork, Timo ^{[1
]}

机构：

[1] Lappeenranta Univ Technol, Lab Steel Struct, PL 20, Lappeenranta 53851, Finland

来源：

STEEL CONSTRUCTION-DESIGN AND RESEARCH | 2015年 / 8卷 / 03期

关键词：

Fretting fatique; bolted joint; double-lap joint; high-strength steel;

D O I：

10.1002/stco.201510021

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Fretting fatigue is a major obstacle for bolted joints used as an alternative to welding. Several studies of the subject so far have concerned aluminium or titanium joints, but due to the recently developed high-strength steels that can be challenging to weld, the steel industry would also like to explore this field. This paper presents the experimental fatigue test results of double-lap joints in S355 and S960QC steels. The results are compared and analysed using the SWT parameter and an FE model of the test specimen. The noticeable difference in fretting fatigue behaviour of these materials will be explained and the controversial crack initiation issue addressed.

引用

页码：174 / +

页数：5

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