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Authors: Yao Qiao, Ethan K. Nickerson, Timothy J. Roosendaal, Jose L. Ramos, Kevin L. Simmons

DOI: 10.33599/nasampe/s.23.0014

Abstract: This work investigated the effects of air plasma surface treatment with gradient speeds and step-over distances (i.e., treatment pattern) on the Mode I fracture resistance of adhesively-bonded metal-CFRTP joints (aluminum alloy 5052 and carbon-fiber-reinforced polyamide 66). This treatment strategy was inspired from functionally graded materials (FGMs) and nature materials. It was shown that, for the gradient speeds from low to high with uniform step-over distances, referring to the treatment from the specimen end to the adhesive bond line, provided enhanced crack growth resistance better than most of the treatments with uniform speeds and step-over distances. However, the opposite gradient speeds only improved crack initiation compared to other treatments. The results provided insights on rarely investigated plasma treatment parameters to enhance the fracture resistance of adhesively-bonded CFRTPs with other materials.

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Conference: SAMPE 2023

Publication Date: 2023/04/17

SKU: TP23-0000000014

Pages: 10

Price: $20.00

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