3d过渡金属高熵高温合金的研究进展  

Research progress of 3d transition metal high entropy superalloys

作　　者：张金钰[1] 周泳江 张翀 刘刚[1] 孙军[1] ZHANG Jin-yu;ZHOU Yong-jiang;ZHANG Chong;LIU Gang;SUN Jun(State Key Laboratory for Mechanical Behavior of Materials,Xi’an Jiaotong University,Xi’an 710049,China)

机构地区：[1]西安交通大学金属材料强度国家重点实验室,陕西西安710049

出　　处：《材料热处理学报》2025年第2期1-13,共13页Transactions of Materials and Heat Treatment

基　　金：国家自然科学基金(92163201,52431006);陕西省科技创新团队项目(2024RS-CXTD-58)。

摘　　要：高熵合金作为一类新型的合金材料,近年来在众多领域引起了广泛关注。与传统合金不同,高熵合金由多种主元组成,特殊的组织结构赋予此类合金优异的综合性能,尤其是优异的高温力学性能。首先介绍了3d过渡金属高熵高温合金(3d-TM HESA)的制备方法,以及相组成及其影响因素;然后概述其室温/高温力学性能和强化机制,并对高温氧化性能与蠕变性能进行总结;最后对高温高熵合金的应用前景进行了展望,并提出了目前所面临的挑战。如何设计新型耐高温高熵合金将是未来研究的热点和难点。High entropy alloys,as a new type of alloy material,have attracted extensive attention in many fields in recent years.Different from traditional alloys,high entropy alloys are composed of a variety of principal elements,and their special microstructure endows them with excellent comprehensive properties,especially excellent high-temperature mechanical properties.This article first introduces the preparation method of 3d transition metal high entropy superalloy(3d-TM HESA),as well as the phase composition and its influencing factors.Then,not only the mechanical properties and strengthening mechanisms at room temperature/high temperature,but also the high-temperature oxidation properties and creep properties are summarized.Finally,the application prospect of high entropy superalloys is prospected,and the current challenges are proposed.How to design new high entropy superalloys will be a hot-and-difficult topic in future research.

关 键 词：高熵合金 高温合金 力学性能 高温强度 

分 类 号：TG132.3[一般工业技术—材料科学与工程]