Clinching process for aluminum alloy and carbon fiber-reinforced thermoplastic sheets

This research work used a preheated clinching process for joining aluminum alloy 5052-H32 (Al) and carbon fiber-reinforced thermoplastic (CFRTP) sheets. The preheated and softened CFRTP sheets successfully undergo the excessive compression and bending in the process. Al and CFRTP sheets with a thick...

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Bibliographic Details
Published in:International journal of advanced manufacturing technology 2018-07, Vol.97 (1-4), p.529-541
Main Authors: Lin, P.-C., Lin, J.-W., Li, G.-X.
Format: Article
Language:English
Subjects:
Aluminum alloys
Aluminum base alloys
CAE) and Design
Carbon fiber reinforced plastics
Carbon fiber reinforcement
Clinching
Computer-Aided Engineering (CAD
Crack propagation
Engineering
Failure analysis
Failure modes
Fatigue failure
Fatigue tests
Fiber reinforced polymers
Heat treating
Industrial and Production Engineering
Joining
Mechanical Engineering
Mechanical properties
Media Management
Original Article
Photomicrographs
Sheets
Tensile tests
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Summary:This research work used a preheated clinching process for joining aluminum alloy 5052-H32 (Al) and carbon fiber-reinforced thermoplastic (CFRTP) sheets. The preheated and softened CFRTP sheets successfully undergo the excessive compression and bending in the process. Al and CFRTP sheets with a thickness of 1.6 mm thick were used to make Al/CFRTP clinch joints in lap-shear (LS) specimens. Effects of joining force, punch design, and die design on mechanical properties of Al/CFRTP clinch joints were investigated by quasi-static tensile tests and metallographic micrographs. An appropriate setup for the Al/CFRTP clinching process was obtained. Then, a complete fatigue test for Al/CFRTP dissimilar clinching joints was conducted to investigate the fatigue properties of Al/CFRTP clinch joints. The fatigue data were recorded, and the failure modes were analyzed and discussed.
ISSN:0268-3768
1433-3015
DOI:10.1007/s00170-018-1960-7