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Self-Piercing Rivet (SPR) 공정의 유한요소해석 및 인장특성에 관한 연구

FE Analysis of Self-Piercing Rivet (SPR) Process and Tensile Behaviours

Journal of the Korean Society for Precision Engineering 2018;35(9):875-880.
Published online: September 1, 2018

1 공주대학교 기계공학과

2 한국항공우주연구원 항공우주응용재료팀

1 Department of Mechanical Engineering, Kongju National University

2 Aerospace Application and Material Research Team, Korea Aerospace Research Institute

#E-mail: sscheon@kongju.ac.kr, TEL: +82-41-521-9262
• Received: March 23, 2017   • Revised: September 9, 2017   • Accepted: September 24, 2017

Copyright © The Korean Society for Precision Engineering

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Citations

Citations to this article as recorded by  Crossref logo
  • Strength Prediction by Simulating the Cross-Tension Test for Triple Riveted Joints of Aluminum Dissimilar Materials Using 9 mm Self-Piercing Rivet
    Seung-Min Yuna, Hyeong-seok Jang, Dae-guk Lee, Hee-soo Park, Sang-Yeol Kim
    Journal of the Korean Society of Manufacturing Technology Engineers.2024; 33(1): 11.     CrossRef
  • Validation of the Joinability of 9 mm SPR for Automotive Dissimilar Material Three-Joint Configurations Using Joining Parameters
    Hyeongseok Jang, Seungmin Yun, Heesoo Park, Daeguk Lee, Sangyeol Kim
    Transaction of the Korean Society of Automotive Engineers.2024; 32(4): 387.     CrossRef
  • Comparative Study on J-Integrals of SM45C, Short Fiber GFRP and Woven Type CFRP Shown at Crack through Analytical Method
    Jae Woong Park, Sung Ki Lyu, Jae Ung Cho
    Journal of the Korean Society for Precision Engineering.2019; 36(6): 567.     CrossRef

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FE Analysis of Self-Piercing Rivet (SPR) Process and Tensile Behaviours
J. Korean Soc. Precis. Eng.. 2018;35(9):875-880.   Published online September 1, 2018
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J. Korean Soc. Precis. Eng.. 2018;35(9):875-880.   Published online September 1, 2018
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FE Analysis of Self-Piercing Rivet (SPR) Process and Tensile Behaviours
Image Image Image Image Image Image Image Image Image Image Image Image Image
Fig. 1 Specimen geometry (single-lap joint)
Fig. 2 Specimen configuration of SPR joint
Fig. 3 Cross-section of SPR joint
Fig. 4 Experimental setup: (a) MTS 810, (b) tensile specimen joint
Fig. 5 Force-displacement curve of SPR joint during quasi-static test
Fig. 6 Failure mode observed in the SPR joint specimen
Fig. 7 FE model of self-piercing riveting analysis
Fig. 8 Shape comparison between analysis and cross-section of real field rivet: (a) Von Mises stress, (b) cross-section of rivet part
Fig. 9 FE model of tension analysis for SPR joint
Fig. 10 Comparison of the experimental and FE analysis result: (a) Experiment, (b) FE analysis result of von Mises stress distribution
Fig. 11 Force-displacement curves of FE analysis and experiment of SPR joint tension test
Fig. 12 Deformed hole shapes: (a) Experiment, (b) FE analysis
Fig. 13 Energy absorption of SPR joint during tension
FE Analysis of Self-Piercing Rivet (SPR) Process and Tensile Behaviours

Mechanical properties of ECO Al7021-T7

E
(GPa)
σY
(MPa)
σT
(MPa)
ε
(%)
ν
72 380 610 13.6 0.33

Result of quasi-static tensile test of SPR joint

SPR Joint
Maximum force (kN) 13.3
Displacement (mm) 6.4

Mechanical properties of FE model

Al plate Rivet
Poisson’s ratio 0.33 0.28
Modulus (GPa) 72 210
Yield strength (MPa) 380 1226
Specific gravity 2.7 7.8

Friction coefficients

Contact surface Friction coefficient
Rivet vs. upper plate 0.35
Rivet vs. lower plate 0.35
Upper plate vs. lower plate 0.29
Table 1 Mechanical properties of ECO Al7021-T7
Table 2 Result of quasi-static tensile test of SPR joint
Table 3 Mechanical properties of FE model
Table 4 Friction coefficients