Mechanical properties and failure mechanisms of self-piercing riveted aluminum alloys with different edge distances

doi:10.1007/s40436-024-00541-w

Advances in Manufacturing ›› 2025, Vol. 13 ›› Issue (3): 655-667.doi: 10.1007/s40436-024-00541-w

• • 上一篇

Mechanical properties and failure mechanisms of self-piercing riveted aluminum alloys with different edge distances

Jin-Rui Duan^1,2, Chao Chen^1,2,3

1. Light Alloy Research Institute, Central South University, Changsha, 410083, People's Republic of China;
2. State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha, 410083, People's Republic of China;
3. School of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, People's Republic of China

收稿日期:2023-12-11 修回日期:2024-04-06 发布日期:2025-09-19
通讯作者: Chao Chen,E-mail:profchenchao@163.com E-mail:profchenchao@163.com
作者简介:Jin-Rui Duan is a Ph.D. candidate at the State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University. His research interest is advanced for ming technology and equipment.
Chao Chen received his double Ph.D. degree from Tokushima University and Xi’an Jiaotong University. He is a professor at the State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University. His research interest is advanced for ming technology and equipment.
基金资助:
This study was funded by the National Natural Science Foundation of China (Grant No. 52275398), the Innovation-Driven Research Programme of Central South University (Grant No. 2023CXQD068), Huxiang Young Talents Program of Hunan Province (Grant No. 2021RC3024).

Mechanical properties and failure mechanisms of self-piercing riveted aluminum alloys with different edge distances

Jin-Rui Duan^1,2, Chao Chen^1,2,3

1. Light Alloy Research Institute, Central South University, Changsha, 410083, People's Republic of China;
2. State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha, 410083, People's Republic of China;
3. School of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, People's Republic of China

Received:2023-12-11 Revised:2024-04-06 Published:2025-09-19
Supported by:
This study was funded by the National Natural Science Foundation of China (Grant No. 52275398), the Innovation-Driven Research Programme of Central South University (Grant No. 2023CXQD068), Huxiang Young Talents Program of Hunan Province (Grant No. 2021RC3024).

摘要/Abstract

摘要： Self-piercing riveting (SPR) is widely used in thin-walled structures and the automotive industry to join aluminum alloy sheets. Lightweight vehicles are a common trend in the automotive industry. To further reduce vehicle weight and ensure the strength of the AA5052 aluminum alloy thin-sheet joint, the optimization of the amount of material used in the joint should be considered. The effect of the riveting position on the joint strength was investigated using riveting methods with different edge distances. Five edge distances (4.5, 6.5, 8.5, 10.5 and 12.5 mm) along the longitudinal direction were used in the investigations. In addition, a shear test was performed to analyze the mechanical properties of the joint. The results showed that as the edge distance decreased, the damage pattern of the joint changed from rivet pulling out of the plate to tearing at the upper plate edge, and as the edge pitch increased, the lap shear strength gradually increased. The minimum edge distance required to meet the deformation strength of the joint was 8.5 mm. This study provides a reference for reducing the amount of joint material, achieving lightweight production of automobiles, and failure repair of joints.

The full text can be downloaded at https://link.springer.com/article/10.1007/s40436-024-00541-w

关键词: Self-piercing riveting (SPR), Lap shear test, Static strength, Damage pattern

Abstract: Self-piercing riveting (SPR) is widely used in thin-walled structures and the automotive industry to join aluminum alloy sheets. Lightweight vehicles are a common trend in the automotive industry. To further reduce vehicle weight and ensure the strength of the AA5052 aluminum alloy thin-sheet joint, the optimization of the amount of material used in the joint should be considered. The effect of the riveting position on the joint strength was investigated using riveting methods with different edge distances. Five edge distances (4.5, 6.5, 8.5, 10.5 and 12.5 mm) along the longitudinal direction were used in the investigations. In addition, a shear test was performed to analyze the mechanical properties of the joint. The results showed that as the edge distance decreased, the damage pattern of the joint changed from rivet pulling out of the plate to tearing at the upper plate edge, and as the edge pitch increased, the lap shear strength gradually increased. The minimum edge distance required to meet the deformation strength of the joint was 8.5 mm. This study provides a reference for reducing the amount of joint material, achieving lightweight production of automobiles, and failure repair of joints.

The full text can be downloaded at https://link.springer.com/article/10.1007/s40436-024-00541-w

Key words: Self-piercing riveting (SPR), Lap shear test, Static strength, Damage pattern

Jin-Rui Duan, Chao Chen. Mechanical properties and failure mechanisms of self-piercing riveted aluminum alloys with different edge distances[J]. Advances in Manufacturing, 2025, 13(3): 655-667.

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Mechanical properties and failure mechanisms of self-piercing riveted aluminum alloys with different edge distances

Mechanical properties and failure mechanisms of self-piercing riveted aluminum alloys with different edge distances

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