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Preheated (Heat-Assisted) Clinching Process for Al/CFRP Cross-Tension Specimens

Lin PC 1 , Fang JC 1 , Lin JW 1 , Tran XV 2 , Ching YC 3

Affiliations 

  • 1 Advanced Institute of Manufacturing with High-tech Innovations & Department of Mechanical Engineering, National Chung-Cheng University, Chiayi 62102, Taiwan
  • 2 Institute of Development of Strategy, Thu Dau Mot University, Phu Hoa Ward, Thu Dau Mot City 0650, Vietnam
  • 3 Department of Chemical Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia
Materials (Basel), 2020 Sep 19;13(18).
PMID: 32961763 DOI: 10.3390/ma13184170

Abstract

Effects of processing parameters on preheated (heat-assisted) clinching process to join aluminum alloy 5052-H32 (AA5052) and thermoplastic carbon-fiber-reinforced-plastic (TP-CFRP) sheets for cross-tension (CT) specimens were first studied. Preheating was critical since brittle TP-CFRP could be softened to avoid fracturing or cracking during clinching process. Four processing parameters, including punching force, die depth, heating mode, and heating temperature, were considered. Quasi-static tests and microscope observations were taken to evaluate AA5052/TP-CFRP clinch joints in CT specimens and determine appropriate processing parameters for fatigue tests. Finally, fatigue data and failure mode of clinch joints in CT specimens were obtained and discussed.

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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