Fatigue lifetime prediction model for spot welded structures

被引：0
|
作者：
Di Fant-Jaeckels, HE [1 ]
Galtier, AJP [1 ]
机构：
[1] SOLLAC, F-57191 Florange, France
来源：
40TH MECHANICAL WORKING AND STEEL PROCESSING CONFERENCE PROCEEDINGS, VOL XXXVI | 1998年 / 36卷
关键词：
spot welded structures; fatigue crack initiation limit curve; normal force; shear force; fatigue life prediction;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Structural components in the car industry are often assembled by resistance welding. Submitted in service to multiaxial loading, those components have to meet fatigue resistance requirements (amongst others). The aim of the proposed model is to predict the lifetime of spot welded structural components. It also allows to optimize the position and number of spot welds and simplifies the precise choice of an adapted material grade. The fatigue crack initiation resistance of a spot weld is supposed to be represented by a combination of normal force and total shear force. The model has been validated with experimental results obtained on structure- type specimens.
引用
收藏
页码：61 / 76
页数：16
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