Fatigue analysis of butt welded AH36 steel joints: Thermographic Method and design S-N curve

被引：80
|
作者：
Crupi, V. [1 ]
Guglielmino, E. [1 ]
Maestro, M. [2 ]
Marino, A. [2 ]
机构：
[1] Univ Messina, Dept Ind Chem & Mat Engn, I-98166 Messina, Italy
[2] Univ Trieste, Dept Naval Architecture Ocean & Environm Engn, Trieste, Italy
来源：
MARINE STRUCTURES | 2009年 / 22卷 / 03期
关键词：
Ship design; Welded joints; Thermographic Method; Fatigue strength prediction; Design codes;
D O I：
10.1016/j.marstruc.2009.03.001
中图分类号：
U6 [水路运输]; P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
The traditional methods of fatigue assessment of welded joints have some limitations, and are extremely time consuming. In order to overcome these difficulties, the Thermographic Method (TM), based on thermographic analyses, has been applied to predict the fatigue behaviour of butt welded joints, made of AH36 steel, largely used in shipbuilding. Experimental tests have been carried out to assess the fatigue capability in terms of S-N curves and fatigue limits. The predictions of the fatigue capability obtained resorting to the Thermographic Method show a good agreement with those derived from the traditional procedure. Moreover, the fatigue design recommendations were compared to the experimental data in order to analyse the reliability of the codes. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：373 / 386
页数：14
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