Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain
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....
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| Format: | Article |
| Language: | English |
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Gruppo Italiano Frattura
2018-06-01
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| Series: | Fracture and Structural Integrity |
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| Online Access: | https://www.fracturae.com/index.php/fis/article/view/2027 |
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| _version_ | 1841562841519226880 |
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| author | li zou Xinhua Yang Jianrong Tan Hongji Xu Yibo Sun |
| author_facet | li zou Xinhua Yang Jianrong Tan Hongji Xu Yibo Sun |
| author_sort | li zou |
| collection | DOAJ |
| description | 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. |
| format | Article |
| id | doaj-art-4bb9a8381d574c1fab167ec7de1f7368 |
| institution | Kabale University |
| issn | 1971-8993 |
| language | English |
| publishDate | 2018-06-01 |
| publisher | Gruppo Italiano Frattura |
| record_format | Article |
| series | Fracture and Structural Integrity |
| spelling | doaj-art-4bb9a8381d574c1fab167ec7de1f73682025-01-03T00:39:57ZengGruppo Italiano FratturaFracture and Structural Integrity1971-89932018-06-011245Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domainli zou0Xinhua Yang1Jianrong Tan2Hongji Xu3Yibo Sun4Dalian 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, ChinaDalian Key Laboratory of Welded Structures and Its Intelligent Manufacturing Technology(IMT) of Rail Transportation Equipment, Dalian Jiaotong UniversityDepartment of mechanical engineering and automation, Zhejiang UniversityDalian Key Laboratory of Welded Structures and Its Intelligent Manufacturing Technology(IMT) of Rail Transportation Equipment, Dalian Jiaotong UniversityDalian Key Laboratory of Welded Structures and Its Intelligent Manufacturing Technology(IMT) of Rail Transportation Equipment, Dalian Jiaotong UniversityThree-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.https://www.fracturae.com/index.php/fis/article/view/2027Fatigue lifewelded jointsfatigue characteristic domain |
| spellingShingle | li zou Xinhua Yang Jianrong Tan Hongji Xu Yibo Sun Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain Fracture and Structural Integrity Fatigue life welded joints fatigue characteristic domain |
| title | Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain |
| title_full | Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain |
| title_fullStr | Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain |
| title_full_unstemmed | Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain |
| title_short | Fatigue life prediction of 5083 and 5A06 aluminum alloy T-welded joints based on the fatigue characteristics domain |
| title_sort | fatigue life prediction of 5083 and 5a06 aluminum alloy t welded joints based on the fatigue characteristics domain |
| topic | Fatigue life welded joints fatigue characteristic domain |
| url | https://www.fracturae.com/index.php/fis/article/view/2027 |
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