| 难熔高熵合金的研究进展及应用 |
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| 引用本文： | 李春玲,马跃,郝家苗,闫宇,王清. 难熔高熵合金的研究进展及应用[J]. 精密成形工程, 2017, 9(6): 117-124 |
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| 作者姓名： | 李春玲 马跃 郝家苗 闫宇 王清 |
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| 作者单位： | 大连理工大学 材料科学与工程学院，辽宁 大连 116024,大连理工大学 材料科学与工程学院，辽宁 大连 116024,大连理工大学 材料科学与工程学院，辽宁 大连 116024,聊城大学 材料科学与工程学院，山东 聊城 252000,大连理工大学 材料科学与工程学院，辽宁 大连 116024 |
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| 基金项目： | 国家重点研发计划(2017YFB0702400, 2017YFB0306100)；国际热核聚变实验堆计划(2015GB121004)；国际科技合作计划(2015DFR60370) |
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| 摘 要： | 高熵合金不同于传统工程合金,是由多种元素以等摩尔或近等摩尔的比例混合,形成的以简单固溶体结构为基体的系列成分复杂合金。其中含高熔点元素的难熔高熵合金具有较高的高温强度和优异的高温抗氧化性能及耐蚀性能等突出特点,其潜在的高温应用价值引起了广泛关注。详细阐述了难熔高熵合金的研究现状及应用,根据晶体结构类型将难熔合金体系进行了分类,并对各类体系中的微观组织特征进行了概述;进而归纳总结了难熔高熵合金的各种性能,包括高强度、耐磨性、高温抗氧化性、耐蚀性能等;最后对难熔高熵合金的发展及应用前景进行了展望。
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| 关 键 词： | 难熔高熵合金；高温合金；微观组织；高温性能 |
| 收稿时间： | 2017-09-11 |
| 修稿时间： | 2017-11-10 |
Research Progress and Application of Refractory High Entropy Alloys |
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| LI Chun-ling,MA Yue,HAO Jia-miao,YAN Yu and WANG Qing. Research Progress and Application of Refractory High Entropy Alloys[J]. Journal of Netshape Forming Engineering, 2017, 9(6): 117-124 |
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| Authors: | LI Chun-ling MA Yue HAO Jia-miao YAN Yu WANG Qing |
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| Affiliation: | School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China,School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China,School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China,School of Materials Science and Engineering, Liaocheng University, Liaocheng 252000, China and School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, China |
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| Abstract: | Different from traditional engineering alloys, high-entropy alloys (HEAs) are constituted by multiple elements with an equi-molar or near equi-molar mixing to form simple solid-solution structures of complex composition-complex. Among them, refractory high-entropy alloys (RHEAs) have got more attention due to their high strength, excellent oxidation- and corrosion-resistances at high temperatures, possessing giant potential high-temperature applications. The present work elaborated the research progress and applications of RHEAs, in which the alloy systems were classified according to the crystal structures and the microstructures of these RHEAs were also discussed. Then, properties of RHEAs were generalized systematically, including high-strength, abrasive-resistance, high-temperature oxidation-resistance, corrosion-resistance, etc. Finally, the future development progress and applications of RHEAs were proposed. |
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| Keywords: | refractory high entropy alloys high-temperature alloys microstructure high-temperature properties |
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