难熔高熵合金研究进展  

Research Progress on Refractory High Entropy Alloys

作　　者：李延超 李来平[2] 高选乔[2] 张文 林小辉[1,2] 薛建嵘[2] 张国君 Li Yanchao;Li Laiping;Gao Xuanqiao;Zhang Wen;Lin Xiaohui;Xue Jianrong;Zhang Guojun(School of Materials Science and Engineering,Xi’an University of Technology,Xi’an 710048,China;Northwest Institute for Nonferrous Metal Research,Xi’an 710016,China)

机构地区：[1]西安理工大学材料科学与工程学院,陕西西安710048 [2]西北有色金属研究院,陕西西安710016

出　　处：《稀有金属材料与工程》2020年第12期4365-4372,共8页Rare Metal Materials and Engineering

基　　金：国家自然科学基金(51601150);陕西省重点产业创新链(2019ZDLGY05-05,2020ZDLGY12-08);陕西省创新能力支撑计划(2019KJXX-071)。

摘　　要：高熵合金以全新的设计理念及优异的性能引起广泛关注。难熔高熵合金(RHEAs)作为高熵合金的一类,主要由bcc晶体结构构成,具有高强高硬的特点,同时具有抗高温软化能力。本文针对难熔高熵合金制备方法、相结构、组织形貌、力学性能、应用领域等方面进行阐述,并对难熔高熵合金的发展方向进行了展望。High-entropy alloys have attracted extensive attention due to their new design concept and excellent performance.As a kind of high-entropy alloy,refractory high-entropy alloys are mainly composed of bcc crystal structure,which has the characteristics of high strength and high hardness as well as the high temperature softening resistance.In the present paper,the preparation method,phase structure,microstructure,mechanical properties and application fields of refractory high-entropy alloy were described,and the directions of future research were also discussed.

关 键 词：难熔金属 高熵合金 制备工艺 相结构 组织性能 

分 类 号：TG132.3[一般工业技术—材料科学与工程]