Effect of Additional Alloying Elements on Microstructure and Properties of AlCoCrFeNi High Entropy Alloy System: A Comprehensive Review

IF 3.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Metals and Materials International Pub Date : 2024-08-06 DOI:10.1007/s12540-024-01752-3

S. Arun, N. Radhika, Bassiouny Saleh

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Abstract

High entropy alloys (HEAs), known for their multi-principal element composition, have attracted considerable interest in light of their unique mechanical and thermal properties. Among them, the AlCoCrFeNi HEA system has shown promising characteristics, but the influence of additional alloying elements on its performance remains a crucial area of study. This comprehensive review investigates the effects of incorporating supplementary elements into the core AlCoCrFeNi system on its microstructure and various properties. Furthermore, it explores how these alterations in microstructure impact the mechanical properties, corrosion and wear behavior of the HEA, emphasizing the potential to customize these properties through strategic alloying additions. Additionally, the review examines how varying the amounts of constituent elements in the AlCoCrFeNi system, without adding additional elements, influences the microstructure and phases formed, with the help of phase diagrams. This review offers valuable insights to researchers and engineers aiming to optimize AlCoCrFeNi HEAs for specific applications.

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附加合金元素对 AlCoCrFeNi 高熵合金体系显微组织和性能的影响：全面综述

高熵合金（HEAs）以其多主元素组成而闻名，其独特的机械和热性能引起了人们的极大兴趣。其中，AlCoCrFeNi 高熵合金体系已显示出良好的特性，但附加合金元素对其性能的影响仍是一个重要的研究领域。本综述研究了在核心铝钴铬铁镍体系中加入补充元素对其微观结构和各种性能的影响。此外，它还探讨了微观结构的这些变化如何影响 HEA 的机械性能、腐蚀和磨损行为，强调了通过战略性合金添加来定制这些性能的潜力。此外，综述还借助相图研究了在不添加额外元素的情况下，改变铝钴铬铁镍体系中组成元素的数量如何影响微观结构和所形成的相。本综述为研究人员和工程师提供了宝贵的见解，使他们能够针对特定应用优化铝钴铬铁镍高压合金。

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来源期刊

Metals and Materials International 工程技术-材料科学：综合

CiteScore

7.10

自引率

8.60%

发文量

197

审稿时长

3.7 months

期刊介绍： Metals and Materials International publishes original papers and occasional critical reviews on all aspects of research and technology in materials engineering: physical metallurgy, materials science, and processing of metals and other materials. Emphasis is placed on those aspects of the science of materials that are concerned with the relationships among the processing, structure and properties (mechanical, chemical, electrical, electrochemical, magnetic and optical) of materials. Aspects of processing include the melting, casting, and fabrication with the thermodynamics, kinetics and modeling.