Welding residual stresses as needed for the prediction of fatigue crack propagation and fatigue strength

被引：64

作者：

Hensel, J. ^{[1
]}

Nitschke-Pagel, T. ^{[1
]}

Ngoula, D. Tchoffo ^{[2
]}

Beier, H. -Th. ^{[2
]}

Tchuindjang, D. ^{[3
,5
]}

Zerbst, U. ^{[4
]}

机构：

[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Joining & Welding, D-38106 Braunschweig, Germany

[2] Tech Univ Darmstadt, Mat Mech Grp, D-64287 Darmstadt, Germany

[3] Schottel Hydro GmbH, D-56322 Spay, Germany

[4] Bundesanstalt Mat Forsch & Prufung BAM, Div 9 1, D-12205 Berlin, Germany

[5] Tech Univ Hamburg, Inst Ship Struct Design & Anal, D-21073 Hamburg, Germany

来源：

ENGINEERING FRACTURE MECHANICS | 2018年 / 198卷

关键词：

Welding residual stresses; Fracture; Fatigue crack propagation; Elastic follow-up; ELASTIC FOLLOW-UP; SECONDARY STRESSES; FRACTURE ASSESSMENTS; WELDMENTS; BEHAVIOR; GROWTH;

D O I：

10.1016/j.engfracmech.2017.10.024

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Welding residual stresses have an impact on the performance of welded structures, on their fracture resistance, their resistance against fatigue crack propagation and, most important, their fatigue strength and fatigue lifetime. The present paper provides an overview on the issue mainly from the point of view of the application of fracture mechanics to the determination of the fatigue strength as the topic of this Special issue. Besides own experimental and theoretical data a comprehensive discussion is provided in that context which includes the definition and interaction of short- and long-range (or reaction) residual stresses, the effect of cyclic mechanical loading and its treatment in fracture and fatigue analyses. (C) 2017 Published by Elsevier Ltd.

引用

页码：123 / 141

页数：19

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