难熔高熵合金成分设计微观组织及性能研究进展
Research progress in composition design, microstructure and properties of refractory high entropy alloys
查看参考文献75篇
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文摘
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高熵合金被定义为含有4种或4种以上主要元素的合金,主要元素的原子分数大于5%且不超过35%,具有高强度、高耐磨性、高耐腐蚀性等优异的性能。难熔高熵合金是基于难熔元素的高熵合金而设计开发的一种新型高温合金,其在航空航天、石油化工等领域具有广阔的应用前景,有望取代传统的高温合金。本文综述了难熔高熵合金一般是从元素选择和添加微量的元素等方面进行成分设计,其相组成有单相组织和双相组织等结构,研究了难熔高熵合金的制备方法和性能特点,并且在文章最后指出了难熔高熵合金目前所面临的问题与挑战。希望通过本文综述,可以为科研工作者在难熔高熵合金的组分设计,微观组织调控以及性能开发等方面提供有价值的参考。 |
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其他语种文摘
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High entropy alloy is defined as an alloy containing four or more main elements. The atomic fraction of the main elements is greater than 5% and not more than 35%, which has excellent properties such as high strength, high wear resistance and high corrosion resistance. Refractory high-entropy alloy is a new type of superalloy designed and developed based on high-entropy alloy of refractory elements, which has broad application prospects in aerospace, petrochemical and other fields, and is expected to replace traditional superalloys. This paper reviews the composition design of refractory high-entropy alloys from the aspects of element selection and addition of trace elements, and its phase composition has single-phase structure and duplex structure, and the preparation method and performance characteristics of refractory high-entropy alloys are studied, and finally gives the problems and challenges faced by refractory high entropy alloys. This review provides a valuable reference for researchers in the component design, microstructure regulation and performance development of refractory high entropy alloys. |
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来源
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航空材料学报
,2022,42(6):33-47 【核心库】
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DOI
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10.11868/j.issn.1005-5053.2021.000205
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关键词
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难熔高熵合金
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成分设计
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微观组织
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力学性能
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地址
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陕西理工大学材料科学与工程学院, 陕西, 汉中, 723001
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1005-5053 |
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学科
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金属学与金属工艺 |
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基金
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陕西省自然科学基础研究计划青年项目
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陕西省教育厅专项科研计划项目
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文献收藏号
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CSCD:7399357
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