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CFRP와 접합된 Al6061-T6 시편의 쇼트피닝 커버리지에 따른 전단 특성 연구

A Study on the Shear Characteristics based on the Coverage of Shot-peened Al6061-T6 Bonded with CFRP

Journal of the Korean Society for Precision Engineering 2024;41(1):31-36.
Published online: January 1, 2024

1 서울과학기술대학교 기계자동차공학과

1 Department of Mechanical and Automotive Engineering, Seoul National University of Science and Technology

#E-mail: shinkh@seoultech.ac.kr, TEL: +82-2-970-6320
• Received: July 28, 2023   • Revised: October 16, 2023   • Accepted: October 19, 2023

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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  • Severe Plastic Deformation-induced Microstructure and Mechanical Behavior in 6061 Aluminum Alloy via Biaxial Alternate Forging
    Tae-Yeong So, Seong-Ho Ha, Young-Chul Shin
    Journal of the Korean Society for Precision Engineering.2026; 43(5): 473.     CrossRef

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A Study on the Shear Characteristics based on the Coverage of Shot-peened Al6061-T6 Bonded with CFRP
J. Korean Soc. Precis. Eng.. 2024;41(1):31-36.   Published online January 1, 2024
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A Study on the Shear Characteristics based on the Coverage of Shot-peened Al6061-T6 Bonded with CFRP
J. Korean Soc. Precis. Eng.. 2024;41(1):31-36.   Published online January 1, 2024
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A Study on the Shear Characteristics based on the Coverage of Shot-peened Al6061-T6 Bonded with CFRP
Image Image Image Image Image Image Image Image Image Image
Fig. 1 Shot-peening process (a) Impact zone, (b) Residual stress
Fig. 2 Dimension of test specimens (ASTM D1002)
Fig. 3 Inner chamber of shot-peening machine (PMI-0608)
Fig. 4 Coverage obtained from optical images of shot-peened Al6061-T6 surfaces (a) 24.868% at 10 sec, (b) 42.005% at 20 sec, (c) 55.727% at 30 sec
Fig. 5 Shot-peening coverage vs. shot-peening time
Fig. 6 3D surface images (600 × 600 μm) of Al6061-T6 specimens obtained by confocal microscope (a) 10 sec- 0~50 μm scale, (b) 24 sec-0~65 μm scale, (c) 160 sec- 0~75 μm scale, (d) 480 sec-0~90 μm scale, (e) 720 sec-0~85 μm scale, (f) 960 sec-0~80 μm scale
Fig. 7 Surface roughness (Ra, μm) by shot-peening time (sec)
Fig. 8 Shear strength (MPa) by shot-peening time (sec)
Fig. 9 2D Images of fractured surfaces of composite side (width 25.4 mm) (a) Not- treated, (b) Sand paper treated, (c) 10 sec, (d) 24 sec, (e) 48 sec, (f)160 sec, (g) 320 sec, (h) 480 sec, (i) 720 sec, (j) 960 sec
Fig. 10 Microscopic images (200 x) of fractured surfaces of composite side (a) Sand paper-treated, (b) 10 sec, (c) 24 sec, (d) 48 sec, (e)160 sec, (f) 320 sec, (g) 480 sec, (h) 720 sec, (i) 960 sec
A Study on the Shear Characteristics based on the Coverage of Shot-peened Al6061-T6 Bonded with CFRP