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SPR (Self-Piercing Rivet)과 Hybrid 접합부의 피로 특성에 관한 연구

Experimental Investigation on Fatigue Characteristics of SPR (Self-Piercing Rivet) and Hybrid Joints

Journal of the Korean Society for Precision Engineering 2018;35(3):335-340.
Published online: March 1, 2018

1 한국항공우주연구원 항공우주응용재팀

2 자동차부품연구원 소재기술연구본부

3 공주대학교 기계공학과

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

2 Materials and Processing R&D Center, Korea Automotive Technology Institute

3 Department of Mechanical Engineering, Kongju National University

#E-mail: sschoen@kongju.ac.kr, TEL: +82-41-521-9262
• Received: November 10, 2016   • Revised: August 27, 2017   • Accepted: September 9, 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

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    Journal of the Korean Society for Precision Engineering.2022; 39(9): 683.     CrossRef
  • Optimal Stiffness Design of Self-Piercing Riveting's C-Frame for Multimaterial Joining
    Chang-Yeul Shin, Jae-Jin Lee, Ji-Hun Mun, Soon-Deok Kwon, Min-Seok Yang, Jae-Wook Lee
    Journal of the Korean Society of Manufacturing Process Engineers.2021; 20(5): 76.     CrossRef
  • Investigating the Tensile-Shear of Dissimilar Materials Joined Using the Hybrid SPR Technique
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    Journal of the Korean Society of Manufacturing Process Engineers.2020; 19(9): 33.     CrossRef
  • Study on the 3-layer Joining of Aluminum Alloy and Steel Plate Using Self-piercing Riveting
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    Journal of the Korean Society of Manufacturing Technology Engineers.2018; 27(4): 307.     CrossRef

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Experimental Investigation on Fatigue Characteristics of SPR (Self-Piercing Rivet) and Hybrid Joints
J. Korean Soc. Precis. Eng.. 2018;35(3):335-340.   Published online March 1, 2018
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Experimental Investigation on Fatigue Characteristics of SPR (Self-Piercing Rivet) and Hybrid Joints
J. Korean Soc. Precis. Eng.. 2018;35(3):335-340.   Published online March 1, 2018
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Experimental Investigation on Fatigue Characteristics of SPR (Self-Piercing Rivet) and Hybrid Joints
Image Image Image Image Image Image Image
Fig. 1 Specimen geometry (single-lap joint): (a) SPR joint, (b) Hybrid joint
Fig. 2 Specimen configuration: (a) SPR joint, (b) Hybrid joint
Fig. 3 Comparison of cross section: (a) SPR joint, (b) Hybrid joint
Fig. 4 Failure mode observed in the quasi-static tested: (a) SPR joint, (b) Hybrid joint
Fig. 5 Quasi-Static tensile test result
Fig. 6 Failure mode observed in the fatigue tested: (a) SPR joint, (b) Hybrid joint
Fig. 7 Comparison of S-N curves for SPR and hybrid joint
Experimental Investigation on Fatigue Characteristics of SPR (Self-Piercing Rivet) and Hybrid Joints

Mechanical properties of ECO Al7021-T7

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

Properties of adhesive17 (Teroson Terokal 5055)

ρ
(kg/m3)
E
(GPa)
Lap shear strength
(MPa)
Peel strength
(kN/m)
900 1.5 20 4

Comparison between experimental and theoretical values of fatigue limit

SPR joint Hybrid joint
Su (kN) 13.3 22.3
Se (kN) 4.8 5.6
Fatigue limit (kN) 4.8 5.6
σa (kN) 2.16 2.51
σm (kN) 2.64 3.07
Cal. 1 0.99
Table 1 Mechanical properties of ECO Al7021-T7
Table 2 Properties of adhesive17 (Teroson Terokal 5055)
Table 3 Comparison between experimental and theoretical values of fatigue limit