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Volume 15
Issue 12
10.3390/ma15124237
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Article

Evaluation of Shear and Peel Strength of Al1060 Single-Lap and T-Lap Joints Produced by Rotated Clinching Process with Twin Rotating Punches

by
Yulin He
,
Lianfa Yang
*,
Jing Dang
,
Aliang Gao
and
Wenze Zhang
School of Mechanical and Electrical Engineering, Guilin University of Electronic Technology, Guilin 541004, China
*
Author to whom correspondence should be addressed.
Materials 2022, 15(12), 4237; https://doi.org/10.3390/ma15124237
Submission received: 8 May 2022 / Revised: 9 June 2022 / Accepted: 9 June 2022 / Published: 15 June 2022
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Abstract

The clinching process is widely used in joining lightweight sheet metal. We proposed a novel rotated clinching process (RCP), which is characterized by a flat bottom die structure and twin rotating punches. The aim of this study was to evaluate the strength of RCP joints. Al1060 sheets with thicknesses of 1.5 mm and 2 mm were used as the experimental materials. Overlap and T-lap RCP joints with three die depths and five bottom thicknesses were fabricated, and shear and peel tests were performed on the joints. The joint strengths were evaluated based on the mechanical load, cross-sectional profile dimensions, and failure mode. The results showed that the mechanical load is a direct, reliable, and quantitative evaluation criterion, while the cross-sectional profile and failure mode are indirect and qualitative. These criteria confirmed that the strength of thick sheet joints is higher than that of thin sheet joints, the shear strength is superior to the peel strength, and the strengths of the joints are high with failure mainly occurring due to tearing or shear failure. Finally, the key parameters for determining the strength of a joint include the bottom thickness/sheet thickness ratio (Rt), and the die depth (h).
Keywords: rotated clinching process; strength; mechanical loads; cross-sectional profile; failure mode rotated clinching process; strength; mechanical loads; cross-sectional profile; failure mode

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MDPI and ACS Style

He, Y.; Yang, L.; Dang, J.; Gao, A.; Zhang, W. Evaluation of Shear and Peel Strength of Al1060 Single-Lap and T-Lap Joints Produced by Rotated Clinching Process with Twin Rotating Punches. Materials 2022, 15, 4237. https://doi.org/10.3390/ma15124237

AMA Style

He Y, Yang L, Dang J, Gao A, Zhang W. Evaluation of Shear and Peel Strength of Al1060 Single-Lap and T-Lap Joints Produced by Rotated Clinching Process with Twin Rotating Punches. Materials. 2022; 15(12):4237. https://doi.org/10.3390/ma15124237

Chicago/Turabian Style

He, Yulin, Lianfa Yang, Jing Dang, Aliang Gao, and Wenze Zhang. 2022. "Evaluation of Shear and Peel Strength of Al1060 Single-Lap and T-Lap Joints Produced by Rotated Clinching Process with Twin Rotating Punches" Materials 15, no. 12: 4237. https://doi.org/10.3390/ma15124237

APA Style

He, Y., Yang, L., Dang, J., Gao, A., & Zhang, W. (2022). Evaluation of Shear and Peel Strength of Al1060 Single-Lap and T-Lap Joints Produced by Rotated Clinching Process with Twin Rotating Punches. Materials, 15(12), 4237. https://doi.org/10.3390/ma15124237

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