review · Journal of Materials Research and Technology
Aluminium matrix composites reinforced with high entropy alloy particulates represent an innovative class of metal-matrix composites designed to meet rigorous technological requirements. These materials resolve established constraints of traditional ceramic-reinforced composites by providing a superior balance of strength, toughness, ductility, and workability. Performance gains stem from improved wettability between the aluminium matrix and the alloy particulates, alongside the inherent hardness and ductility of high entropy alloys. Assessing these materials across mechanical, thermal, corrosion, and wear metrics reveals notable enhancements, particularly in wear resistance, corrosion protection, and the strength-ductility ratio. Despite these advantages, certain fabrication complexities and interfacial reaction challenges persist, requiring dedicated research to guide future engineering developments.
Traditional aluminium composites reinforced with ceramics often suffer from reduced ductility and poor workability despite their high strength. Substituting ceramics with high entropy alloy particles resolves this compromise, producing lightweight materials that combine durability, flexibility, and resistance to environmental degradation. This advance aids the design of more reliable structural materials for demanding operational environments.
These composites could enable high-performance structural parts for engineering sectors requiring materials with exceptional wear, corrosion resistance, and ductility. Potential users include manufacturers of advanced lightweight mechanical components. Given that the work reviews interfacial reactions, fabrication challenges, and foundational material properties, the technology sits at an early-stage research level and requires further experimental development before reaching industrial adoption.
AI-generated from the published abstract. Always read the original work before citing.
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.
This page summarises published work. The authoritative version sits with the publisher.
DOI: 10.1016/j.jmrt.2024.05.153
Is something wrong with this record? Report it or request removal.
Discussion
Have you built on this work, tried to replicate it, or seen it applied in practice? Share what you know. Verified researchers and MARATTO™ domain experts can open a discussion, and any member can reply. Contributions are reviewed before they appear.
No discussion yet. Open the first thread.
New to MARATTO™? Create a free account.
