Development and wear resistivity performance of SiC and TiB2 particles reinforced novel aluminium matrix composites

The aerospace and automotive industries, in particular, rely heavily on aluminium matrix composites because of their exceptional strength-to-mass ratio and resistance to high temperatures. This study investigates the development and wear resistivity performance of Aluminium Matrix Composites (AMCs)...

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Veröffentlicht in:Results in engineering 2024-12, Vol.24, p.102981, Article 102981
Hauptverfasser: Bhowmik, Abhijit, Sen, Binayak, Beemkumar, N., Singh Chohan, Jasgurpreet, Bains, Pardeep Singh, Singh, Gurpartap, Kumar, Ambati Vijay, A, Johnson Santhosh
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Sprache:eng
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Zusammenfassung:The aerospace and automotive industries, in particular, rely heavily on aluminium matrix composites because of their exceptional strength-to-mass ratio and resistance to high temperatures. This study investigates the development and wear resistivity performance of Aluminium Matrix Composites (AMCs) reinforced with SiC and TiB2 particles. The experimental work involved fabricating AMCs using Aluminium Alloy 7075 as the matrix material with varying weight percentages of SiC and TiB2 reinforcements. Tribological tests were conducted under different conditions of applied load, sliding speed, and sliding distance to analyze the wear behavior of the composites. Results revealed that higher weight percentages of reinforcement led to lower wear rates, particularly at elevated sliding speeds. X-ray diffraction analysis confirmed the presence of SiC and TiB2 particles in the composites. It is observed that greater applied loads caused greater wear rates, bigger grooves, and substantial frictional heat production, demonstrating a direct relationship between load weight and wear performance. The study indicated that sticky wear management lowered wear rates at longer sliding distances not abrasive wear at shorter distances. The significance of this study lies in its contribution to optimizing the composition of multi-phase reinforced AMCs for enhanced wear resistance in various industrial applications. •SiC and TiB2 particles enhance wear resistance of aluminium matrix composites.•Higher reinforcement percentages reduce wear rates at high sliding speeds.•X-ray diffraction confirms the presence of SiC and TiB2 particles.•Study reveals wear mechanisms like abrasive and adhesive wear in AMCs.
ISSN:2590-1230
2590-1230
DOI:10.1016/j.rineng.2024.102981