Solid particle erosion and scratch behavior of novel scrap carbon fiber/glass fabric/polyamide 6.6 hybrid composites

Kocoglu, Hurol and Korkusuz, Orkan Baran and Ozzaim, Pelin and Kodal, Mehmet and Altan, M. Cengiz and Sinmazcelik, Tamer and Ozcelik, Babur and Özkoç, Güralp (2023) Solid particle erosion and scratch behavior of novel scrap carbon fiber/glass fabric/polyamide 6.6 hybrid composites. Polymer Composites . ISSN 0272-8397 (Print) 1548-0569 (Online) Published Online First

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This study investigated the tribological performance of hybrid composites composed of scrap carbon fiber (CF), glass fabric (GF), and polyamide 6.6 (PA6.6) through an innovative approach for reusing scrap CFs in high-value composite structures. The experimental setup included CF/GF/PA6.6 hybrid composite laminates with varying CF contents and surface-modified GFs, as well as PA6.6 sheets and GF/PA6.6 composite laminates. Solid particle erosion and scratch tests were conducted to assess the influence of scrap CF hybridization and GF surface modification on the tribological properties of the composites. The results demonstrated that neat PA6.6 sheets exhibited the lowest erosion rate, while the incorporation of CF and GF reinforcements had a detrimental effect on erosion resistance. The highest erosion rate was observed within the impact angle range of 15°–30° for pure PA6.6 sheets, whereas for composite laminates, it occurred within the range of 30°–45°. In contrast, CFs positively affected scratch hardness despite their negative impact on erosion resistance. Additionally, the silane treatment of GFs, which enhanced interfacial strength, improved the erosion resistance and scratch hardness of GF/PA6.6 composite laminates without CF. Profilometer-based topographic analysis revealed a correlation between the average surface roughness of the eroded surfaces and the weight loss resulting from solid particle erosion.
Item Type: Article
Uncontrolled Keywords: polymer matrix composites; scrap carbon fiber; silane treatment; surface analysis; wear
Divisions: Sabancı University Nanotechnology Research and Application Center
Depositing User: IC-Cataloging
Date Deposited: 24 Aug 2023 11:44
Last Modified: 24 Aug 2023 11:44

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