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Article

Mechanical Clinching and Self-Pierce Riveting of Thin Three Sheets of 5000 Series Aluminium Alloy and 980 MPa Grade Cold Rolled Ultra-High Strength Steel

Faculty of Engineering, Toyohashi University of Technology, 1-1 Tempaku-cho, Toyohashi, Aichi 441-8580, Japan
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Materials 2020, 13(21), 4741; https://doi.org/10.3390/ma13214741
Received: 13 September 2020 / Revised: 17 October 2020 / Accepted: 19 October 2020 / Published: 23 October 2020
One thin 5000 series aluminium alloy sheet and two thin 980 MPa grade cold rolled ultra-high strength steel sheets were joined by self-pierce riveting and mechanical clinching processes. The joinabilities for a combination of the aluminium and steel sheets in both processes were investigated for different die shapes in the experiment and finite element simulation. In self-pierce riveting, the three sheets were successfully joined for both combinations of the upper and lower aluminium alloy sheets by optimizing the shapes of a die and rivet. In mechanical clinching, the three sheets were successfully joined by an optimum die for the configuration of the upper aluminium alloy sheet. On the other hand, the three sheets for the configuration of the lower aluminium alloy sheet were not joined even by optimizing the die shape in the both finite element simulation and experiment, because the material flow of the steel sheets was insufficient to form the two interlocks. The tension-shear loads for the clinched and riveted sheets with the adhesive were almost the same, because the load for the adhesive was the highest. In the cross-tension test, however, the load by the adhesive was comparatively small. View Full-Text
Keywords: joining; mechanical clinching; self-pierce riveting; ultra-high strength steel sheets; aluminium alloy sheet; three sheet; plastic deformation; joint strength joining; mechanical clinching; self-pierce riveting; ultra-high strength steel sheets; aluminium alloy sheet; three sheet; plastic deformation; joint strength
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MDPI and ACS Style

Abe, Y.; Maeda, T.; Yoshioka, D.; Mori, K.-i. Mechanical Clinching and Self-Pierce Riveting of Thin Three Sheets of 5000 Series Aluminium Alloy and 980 MPa Grade Cold Rolled Ultra-High Strength Steel. Materials 2020, 13, 4741. https://doi.org/10.3390/ma13214741

AMA Style

Abe Y, Maeda T, Yoshioka D, Mori K-i. Mechanical Clinching and Self-Pierce Riveting of Thin Three Sheets of 5000 Series Aluminium Alloy and 980 MPa Grade Cold Rolled Ultra-High Strength Steel. Materials. 2020; 13(21):4741. https://doi.org/10.3390/ma13214741

Chicago/Turabian Style

Abe, Yohei, Takato Maeda, Daiki Yoshioka, and Ken-ichiro Mori. 2020. "Mechanical Clinching and Self-Pierce Riveting of Thin Three Sheets of 5000 Series Aluminium Alloy and 980 MPa Grade Cold Rolled Ultra-High Strength Steel" Materials 13, no. 21: 4741. https://doi.org/10.3390/ma13214741

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