Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain

##plugins.themes.bootstrap3.article.sidebar##

PDF Visual Abstract
Published Jun 16, 2018
DOI https://doi.org/10.3221/IGF-ESIS.45.05

##plugins.themes.bootstrap3.article.main##

li zou
Dalian Key Laboratory of Welded Structures and Its Intelligent Manufacturing Technology (IMT) of Rail Transportation Equipment, Dalian Jiaotong University, China; Sichuan Provincial Key Lab of Process Equipment and Control, China
Xinhua Yang
Dalian Key Laboratory of Welded Structures and Its Intelligent Manufacturing Technology(IMT) of Rail Transportation Equipment, Dalian Jiaotong University
Jianrong Tan
Department of mechanical engineering and automation, Zhejiang University
Hongji Xu
Dalian Key Laboratory of Welded Structures and Its Intelligent Manufacturing Technology(IMT) of Rail Transportation Equipment, Dalian Jiaotong University
Yibo Sun
Dalian Key Laboratory of Welded Structures and Its Intelligent Manufacturing Technology(IMT) of Rail Transportation Equipment, Dalian Jiaotong University

Abstract

Three-point bending fatigue test of 5083 and 5A06 aluminum alloy T-welded joints is carried out, and the fatigue life of the specimens with different influencing factors are obtained. Finite element model of the T-welded joint is established and the nodal force based structural stress is calculated. Neighborhood rough set theory is used for analysis of the factors which influence the fatigue life of the aluminum alloy welded joints. Key influencing factors are studied and the fatigue characteristic domains are determined. The master S-N curve characterized by the nodal force based structural stress range and cycles to failure on semi log coordinate as well as S-N curves corresponding to the fatigue characteristic domain is fitted. A case study of fatigue life prediction of 5A06 aluminum alloy welded joint indicates the effectiveness of the fatigue life prediction method based on the fatigue characteristic domain.

Comments

  1. Latest Oldest Top Comments

    Downloads

    Download data is not yet available.

    ##plugins.themes.bootstrap3.article.details##

    Issue
    Vol. 12 No. 45 (2018): July 2018
    Section
    Miscellanea

    How to Cite

    zou, li, Yang, X., Tan, J., Xu, H., & Sun, Y. (2018). Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain. Frattura Ed Integrità Strutturale, 12(45), 43–66. https://doi.org/10.3221/IGF-ESIS.45.05

    Copyright 
    Authors are allowed to retain both the copyright and the publishing rights of their articles without restrictions.  

    Open Access Statement

    Frattura ed Integrità Strutturale (Fracture and Structural Integrity, F&SI) is an open-access journal which means that all content is freely available without charge to the user or his/her institution. Users are allowed to read, download, copy, distribute, print, search, or link to the full texts of the articles in this journal without asking prior permission from the publisher or the author. This is in accordance with the DOAI definition of open access.

    F&SI operates under the Creative Commons Licence Attribution 4.0 International (CC-BY 4.0). This allows to copy and redistribute the material in any medium or format, to remix, transform and build upon the material for any purpose, even commercially, but giving appropriate credit and providing a link to the license and indicating if changes were made.