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Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 33 , No. 2

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[ Article ]
Journal of the Korean Society of Manufacturing Technology Engineers - Vol. 33, No. 1, pp. 11-17
Abbreviation: J. Korean Soc. Manuf. Technol. Eng.
ISSN: 2508-5107 (Online)
Print publication date 15 Feb 2024
Received 24 Jan 2024 Revised 05 Feb 2024 Accepted 05 Feb 2024
DOI: https://doi.org/10.7735/ksmte.2024.33.1.11
9 mm SPR을 사용한 알루미늄 이종소재 3중 접합에 대한 십자인장 시험모사를 통한 강도 예측모델 연구
윤승민^a ; 장형석^a ; 이대국^a ; 박희수^a ; 김상열^a^{, *}

Strength Prediction by Simulating the Cross-Tension Test for Triple Riveted Joints of Aluminum Dissimilar Materials Using 9 mm Self-Piercing Rivet
Seung-Min Yun^a ; Hyeong-seok Jang^a ; Dae-guk Lee^a ; Hee-soo Park^a ; Sang-Yeol Kim^a^{, *}
aManufacturing Innovation School, Inha University
Correspondence to : ^*Tel.: +82-32-720-9050 E-mail address: skyfgh@inha.ac.kr (Sang-Yeol Kim).



Funding Information ▼ Ministry of SMEs and Startups Korea Technology and Information Promotion Agency for SMEs S3073212 Ministry of Trade, Industry and Energy Korea Institute for Advancement of Technology P0008425

Abstract

The automotive industry is researching ways to lighten vehicle bodies to improve fuel efficiency. Mechanical joining of dissimilar materials through self-piercing rivet (SPR) is used as an effective weight reduction method. Therefore, the use of SPR triple joint of dissimilar materials is increasing. However, research on SPR triple joints and joint performance evaluation is lacking. In this study, the cross-tension strength of aluminum triple joint using 9 mm SPR was investigated. A finite element analysis program LS-DYNA was used to analyze the causes of joint failure of aluminum alloy joints by simulating a cross-tension test. This study is expected to predict the joint performance of SPR in the early stage of development.


Keywords: Self piercing rivet, Cross-tension test, Aluminum alloys, Stress concentration, Triple joint

Acknowledgments

이 연구은 2021년 정부(중소벤처기업부)의 재원으로 중소기업기술정보진흥원의 지원과 2023년도 정부(산업통상자원부)의 재원으로 한국산업기술진흥원의 지원을 받아 수행되었으며, 이에 관계자 여러분께 감사드립니다. (S3073212, 2021 년 중소기업기술혁신개발사업), (P0008425, 2023년 산업혁신인재성장지원사업)

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Seung-Min Yun

Master. Candidate of Manufacturing Innovation School, Inha University. His research interest is Mechanical Engineering.

E-mail: ysm8823@inha.edu

Hyeong-seok Jang

Master. Candidate of Manufacturing Innovation School, Inha University. His research interest is Mechanical Engineering.

E-mail: phantom@inha.edu

Dae-guk Lee

Master. Candidate of Manufacturing Innovation School, Inha University. His research interest is Mechanical Engineering.

E-mail: kskdevil@inha.edu

Hee-soo Park

Ph.D. Candidate of Manufacturing Innovation School, Inha University. His research interest is Mechanical Engineering.

E-mail: parkheesoo@inha.edu

Sang-Yeol Kim

Professor of Manufacturing Innovation School, Inha University. His research interest is Mechanical Engineering.

E-mail: skyfgh@inha.ac.kr