Fatigue life prediction of high strength steel welded joints by Energy Approach

被引：6
|
作者：
Corigliano, P. [1 ]
Crupi, V. [1 ]
Epasto, G. [1 ]
Guglielmino, E. [1 ]
Risitano, G. [1 ]
机构：
[1] Univ Messina, Dept Engn, I-98166 Messina, Italy
来源：
21ST EUROPEAN CONFERENCE ON FRACTURE, (ECF21) | 2016年 / 2卷
关键词：
Thermographic Method; Energy Approach; Fatigue; S-N curve; Welded joints; High strength steel; Digital Image Correlation; Infrared Thermography; FRACTURE; LIMIT;
D O I：
10.1016/j.prostr.2016.06.270
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
Two full-field techniques were applied for the study of the base material and welded specimens, made of S690QL steel: digital image correlation and thermographic techniques. Static and fatigue tests were carried out. The thermographic measurements can be used to predict the fatigue, with a great saving in time and effort. Fatigue tests at increasing loads were carried out by a stepwise succession, applied to the same specimen, for applying an energy-based approach. The predictions of the fatigue life, obtained by means of the Energy Approach, were compared with the values obtained by the traditional procedure. Copyright (C) 2016 The Authors. Published by Elsevier B.V.
引用
收藏
页码：2156 / 2163
页数：8
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