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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License
Article
Low Fatigue Strength of Clinch Joints
Author(s)
Tadeusz Balawender
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DOI:10.17265/2159-5275/2016.06.002
Affiliation(s)
ABSTRACT
Clinching can be used for effective joining of different metallic materials, e.g., different grades of carbon and alloy steels, aluminum and its alloys and others. This is an alternative joining method to traditional methods involving screws, rivets or welding. Clinching is applied in many fields of manufacturing industry. Future applications of clinch joining require advances in quality and among others things, combination with other processes, e.g., hybrid joining by clinching and adhesive bonding. Although the static strength of clinched joints is lower than that of the others joints (e.g., pressure welded joints), the fatigue strength is comparable. But there is a lack of information about fatigue strength of clinched joints. The static and low cyclic fatigue strengths of mechanically clinched joints were determined experimentally. The load-displacement curves of static strength were compared with low cyclic fatigue strength curves. It was observed the effect of strain hardening for clinched joint of low carbon steels (DC4) under cyclic loading.
KEYWORDS
Clinching, mechanical joining, sheet metal joining, static and fatigue strength.
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