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CoCrFeNiNbx高熵合金的研究進(jìn)展
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西安交通大學(xué) 金屬材料強(qiáng)度國家重點(diǎn)實(shí)驗(yàn)室

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基金項(xiàng)目:

國家自然科學(xué)基金 (51621063, 51790482, 51722104)；111工程2.0 (BP2018008)


Research Development of CoCrFeNiNbx High Entropy Alloys
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Affiliation:

State Key Laboratory for Mechanical Behavior of Materials, Xi''an Jiaotong University

Fund Project:

National Natural Science Foundation of China (51621063, 51790482, 51722104); the 111 Project 2.0 of China (BP2018008)

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    摘要:

    近十幾年來，作為一種研究熱門的新型合金，高熵合金已獲得了材料界廣泛的關(guān)注。其中，以等原子比CoCrFeNiMn合金為原型，已報道大量力學(xué)性能優(yōu)異的fcc結(jié)構(gòu)的高熵合金。近幾年，由于其優(yōu)異的鑄造成型性能與綜合力學(xué)性能，共晶高熵合金也逐漸得到科研人員的重視。本文選取CoCrFeNiNbx合金體系，以析出強(qiáng)化型高熵合金和共晶型高熵合金為主要研究對象，分別從成分設(shè)計(jì)，組織演變，力學(xué)性能與強(qiáng)韌化機(jī)制等方面總結(jié)目前的研究進(jìn)展，最后分析了當(dāng)前研究的不足并給出了未來研究的方向。

    Abstract:

    High entropy alloys, a new type of hot-research alloy, have received extensive attention in the material industry. Taking equal atomic ratio CoCrFeNiMn as the prototype, numerous fcc-structure high-entropy alloys with excellent mechanical properties have been reported. Recently eutectic high-entropy alloys have attracted more and more attention of scientific researchers due to their excellent casting properties and comprehensive mechanical properties. In this paper, we selecte the CoCrFeNiNbx alloy system, focus on precipitation-strengthened high-entropy alloys and eutectic high-entropy alloys, and summarize the current research progress from the aspects of composition design, microstructure evolution, mechanical properties and strengthening and toughening mechanism. Finally, we analyze the shortcomings of current research and point out the direction of future research.

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引用本文

王永興,張東東,張金鈺,劉剛,孫軍. CoCrFeNiNbx高熵合金的研究進(jìn)展[J].稀有金屬材料與工程,2022,51(2):743~751.[Wang Yongxing, Zhang Dongdong, Zhang Jinyu, Liu Gang, Sun Jun. Research Development of CoCrFeNiNbx High Entropy Alloys[J]. Rare Metal Materials and Engineering,2022,51(2):743~751.]
DOI：10.12442/j. issn.1002-185X.20210128

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  • 收稿日期:2021-02-15
  • 最后修改日期:2021-03-27
  • 錄用日期:2021-04-16
  • 在線發(fā)布日期: 2022-03-09
  • 出版日期: 2022-02-28