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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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  • Optimal Stiffness Design of Self-Piercing Riveting's C-Frame for Multimaterial Joining
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  • 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
E
(GPa)
σY
(MPa)
σT
(MPa)
ε
(%)
ν
72 380 610 13.6 0.33
ρ
(kg/m3)
E
(GPa)
Lap shear strength
(MPa)
Peel strength
(kN/m)
900 1.5 20 4
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