高熵合金在钎焊和表面工程领域的应用研究进展
Research progress in high-entropy alloys used in brazing and surface engineering fields
查看参考文献88篇
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文摘
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随着合金制造水平的提高及性能要求的复杂化,高熵合金逐渐引起极大的关注。目前在材料加工领域内的研究主要集中于钎焊和表面工程两大方向。在钎焊领域,高熵合金可以作为钎焊填充材料应用于高温和低温钎焊,本文归纳了合金高熵化的相关经验参数,阐述了第一性原理计算和相图计算等模拟计算手段在高熵合金填充材料设计领域内的应用;详细介绍了高熵合金钎料在镍基高温合金、陶瓷-金属异种材料、低温封装等连接领域的最新研究进展。同时,分析了工艺参数对高熵合金钎料钎焊接头组织与性能的影响。在表面工程领域,论述了高熵合金薄膜/涂层的应用方向与制备手段,总结了在高温防护涂层、硬质保护层以及其他应用领域的研究进展。同时归纳了高熵合金在钎焊和表面工程领域研究和应用中存在的问题,而未来将在降低钎料熔点、提高焊缝高温力学性能以及发展共晶高熵合金钎料/涂层等领域进一步提高研究水平。 |
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其他语种文摘
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With the improvement of alloy manufacturing level and the complexity of performance requirements,high-entropy alloys(HEAs)have gradually attracted great attention.At present,the research in the field of material processing mainly focuses on brazing and surface engineering.In the field of brazing,HEAs can be used as filler material for brazing at high temperature and low temperature,the empirical parameters related to high entropy were summarized.The application of the simulation and calculation methods such as first-principle method and calculation of phase diagram were described in the field of HEAs design for filler metals development.The latest research progress of HEAs fillers for brazing of nickel-based superalloys and dissimilar ceramics-metals,as well as low temperature packaging was introduced.The influence of welding process parameters on microstructure and properties of HEAs brazing joints was also analysed.In the field of surface engineering,the application direction and preparation methods of HEAs in film/coating were discussed.The research progress in high-temperature protective coating,hard protective layer and other application directions was summarized.At the same time,the problems existing in the research and application of HEAs in the fields of brazing and surface engineering were summarized.The future trends were put forward in order to decrease the melting temperature of HEAs filler,improve high temperature mechanical properties of welds,and develop the eutectic HEAs filler/coating. |
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来源
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材料工程
,2021,49(8):1-10 【核心库】
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DOI
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10.11868/j.issn.1001-4381.2020.000950
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关键词
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高熵合金
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钎焊
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填充金属
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涂层
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薄膜
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地址
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1.
北京工业大学材料与制造学部, 北京, 100124
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哈尔滨工业大学, 先进焊接与连接国家重点实验室, 哈尔滨, 150001
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华沙理工大学制造工程学院, 波兰, 华沙, 02-524
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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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1001-4381 |
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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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先进焊接与连接国家重点实验室开放课题研究基金项目
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科技部中国-波兰政府间科技合作委员会第38届例会人员交流项目
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文献收藏号
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CSCD:7034902
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