Kareem, S A; Anaele, J U; Aikulola, E O; Anamu, U S; Koko, A; Bodunrin, M O; Alaneme, K K (2024) Aluminium matrix composites reinforced with high entropy alloys: A comprehensive review on interfacial reactions, mechanical, corrosion, and tribological characteristics. Journal of Materials Research and Technology, 30. pp. 8161-8186. ISSN 22387854

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Abstract

Aluminium matrix composites (AMCs) reinforced with high entropy alloy particulates (HEAp) represent an innovative category of metal-matrix composites with considerable potential for fulfilling the stringent demands of emerging technological applications. Their appeal lies in the advantageous combination of toughness, strength, ductility, and enhanced workability, addressing acknowledged limitations associated with ceramic-reinforced AMCs. The heightened performance of these composites is attributed to improved wettability between the aluminium matrix and HEAp reinforcement, alongside the intrinsic ductility and hardness of HEAp. This review explores the suitability of high entropy alloys as substitutes for ceramic materials in reinforcing aluminium matrix composites. The mechanical, corrosion, thermal and wear properties of AMCs reinforced with HEAp are thoroughly examined, encompassing fabrication characteristics and interfacial reactions. The incorporation of HEAp is found to notably enhance the strength-ductility ratio of AMCs. Remarkably, HEAp bring about significant improvements in the wear and corrosion resistance of AMCs. The report accentuates the performance benefits and certain challenges associated with the application of HEAp reinforcement in AMCs. Ultimately, this review proposes potential avenues for future research in this domain, outlining directions for further exploration and development.

Item Type:	Article
Keywords:	Aluminium matrix composite (AMC), High entropy alloys, Mechanical properties, Corrosion, Wear
Subjects:	Advanced Materials > Metals and Alloys
Divisions:	Materials and Mechanical Metrology
Identification number/DOI:	10.1016/j.jmrt.2024.05.153
Last Modified:	18 May 2026 13:49
URI:	https://eprintspublications.npl.co.uk/id/eprint/10402