Journal
MATERIALS LETTERS
Volume 264, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2020.127362
Keywords
Welding; Fatigue; Composite materials; Adhesion; Energy directors
Funding
- Institute for Sports Research, Nanyang Technological University, Singapore [RCA-18/46]
- ARKEMA, France [RCA-18/46]
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Current research aims at investigating the fatigue strength of ultrasonically welded composite joints with novel liquid acrylic thermoplastic Elium (R). Fatigue response of the welded joints with integrated Energy Director (ED) and flat Elium (R) film was investigated and the baseline comparison was carried out with control adhesives. The results showed 10-12% higher fatigue life at 10(5) and 10(6) fatigue cycle as compared to the adhesively bonded joints. Fractographic investigation of fractured welded joints showed features such as fibre impingement and shear cusps formation which contributed to strong interfacial adhesion. (C) 2020 Elsevier B.V. All rights reserved.
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