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摘要

高熵合金(high-entropy alloys, HEAs)作为一种新型多主元合金, 原子排列有序、化学无序, 具有高熵、晶格畸变、缓慢扩散、“鸡尾酒”等四大效应, 表现出优异的组合性能, 有望作为新型高温结构材料、耐磨性材料、抗辐照材料应用于航空航天、矿山机械、核聚变反应堆等领域. 本文介绍了目前含钨HEAs的发展现状、常用的制备方法、微观结构和相组成. 针对HEAs优异的综合性能, 总结了目前含钨难熔HEAs的力学性能、抗摩擦磨损、抗辐照等性能, 对含钨难熔HEAs后续的研究方向进行了展望.

关键词:

Abstract

As a new type of multi-principal component solid solution alloy, high-entropy alloy has the four major effects, i.e. high entropy, lattice distortion, slow diffusion, and “cocktail” in orderly arrangement of atoms and chemical disorder. It exhibits excellent comprehensive performances and is expected to be used as a new type of high-temperature structural material, wear-resistant material, and radiation-resistant material, which is used in the areas of aerospace, mining machinery, nuclear fusion reactors and others. In this paper, the present research status, conventional preparation methods, microstructures and phase compositions of tungsten high entropy alloys are mainly introduced. In view of the excellent comprehensive properties of high-entropy alloys, the mechanical properties, friction and wear resistance, and radiation resistance of tungsten high-entropy alloys are summarized, and the future research directions of tungsten high-entropy alloys are also prospected.

Keywords:

作者及机构信息

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通信作者:吴玉程,ycwu@hfut.edu.cn

基金项目:国家重点研发计划(批准号: 2014GB121000, 2019YFE03120002)和国家自然科学基金(批准号: 514740830, 52020105014, 51828101)资助的课题

Authors and contacts

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Corresponding author:Wu Yu-Cheng,ycwu@hfut.edu.cn

Funds:Project supported by the National Key Research and Development Program of China (Grant Nos. 2014GB121000, 2019YFE03120002) and the National Natural Science Foundation of China (Grant Nos. 514740830, 52020105014, 51828101)

文章全文: translate this paragraph

参考文献

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施引文献

下载: 全尺寸图片幻灯片

年份	合金	条件	相	文献
2010	NbMoTaW	AC	BCC	[39]
2010	VNbMoTaW	AC	BCC	[39]
2012	Ti-Nb-Ta-W	MS	BCC	[60]
2015	CrFeNiV_0.5W_0.25	AC	FCC+$ \sigma $	[61]
2015	CrFeNiV_0.5W_0.5	AC	BCC+FCC+$ \sigma $	[61]
2015	CrFeNiV_0.5W_0.75	AC	BCC+FCC+$ \sigma $	[61]
2015	CrFeNiV_0.5W	AC	BCC+FCC+$ \sigma $	[61]
2015	CrFeNi₂V_0.5W_0.25	AC	FCC+$ \sigma $	[61]
2015	CrFeNi₂V_0.5W_0.5	AC	FCC+$ \sigma $	[61]
2015	CrFeNi₂V_0.5W_0.75	AC	BCC+FCC+$ \sigma $	[61]
2015	CrFeNi₂V_0.5W	AC	BCC+FCC+$ \sigma $	[61]
2015	Cr_0.5VNbMoTaW	AC	BCC	[62]
2015	CrVNbMoTaW	AC	BCC	[62]
2015	Cr₂VNbMoTaW	AC	BCC	[62]
2016	VZrMoTaW	AC(+A)	BCC+ BCC+HCP+Laves	[63]
2016	VNbTaW	AC	BCC	[64]
2016	TiVNbTaW	AC	BCC	[64]
2017	TiNbMoTaW	AC	BCC	[65]
2017	TiVNbMoTaW	AC	BCC	[65]
2017	Ti_xNbMoTaW (x= 0–1)	AC	BCC	[66]
2017	TiVCrTaW_x	MA+SPS	BCC	[67]
2018	VCrMoTaW	MA	BCC	[68]
2018	V₁₁Cr₁₅Ta₃₆W₃₈	MS	BCC	[55]
2018	AlTiCrFeNbMoW	LC	BCC+IM	[58]
2018	Ti₈Nb₂₃Mo₂₃Ta₂₃W₂₃	MA+SPS	BCC+Carbide	[51]
2018	VCrFeTa_xW_x(x= 0.1, 0.2)	AC	BCC	[69]
2018	VCrFeTa_xW_x(x= 0.3)	AC	BCC1+BCC2	[69]
2018	VCrFeTa_xW_x(x= 0.4, 1)	AC	BCC1+BCC2+Laves	[69]
2018	VNbMoTaW	MA+HPHT	BCC	[50]
2019	VCuMoTaW	MA	BCC	[49,53]
2019	V_26.4Cr_31.3Mo_23.6W_18.7	AC	BCC	[70]
2019	TiNiNbTaW	AC	BCC+$ \mu $	[71]
2019	Al₁₀Ti₁₈Ni₁₈Nb₁₈Ta₁₈W₁₈	AC	BCC+$ \mu $+L2₁	[71]
2019	VCrNbMoTaW	MA+SPS	BCC+Laves	[48]
2019	Ti_34.4Nb_32.9Mo₁₇W_15.7	AC	BCC	[72]
2019	Mo-Ru-RhW-Ir	AC	BCC+HCP+FCC	[73,74]
2019	AlTiCrFe_1.5Nb_xMoW (x= 1.5–3)	LC	BCC+MC+Laves	[75]
2019	TiCrNbMoW	MA+SPS	BCC+Laves	[47]
2020	FeNiMoW	AC	FCC+BCC+$ \mu $	[76]
2020	V_2.5Cr_1.2Co_0.04MoW	AC	BCC	[77]
2020	NbMoReTaWTa	AC+A	BCC	[44]
2020	(TiNbMoW)_100–_xCr_x(x= 5–20)	MA+SPS	BCC+Laves	[43]
2020	(VNbMoTaW)₉₉B₁	MA+HPHT	BCC	[78]
AC = 铸造, MS = 磁控溅射, A = 热处理, MA = 球磨, SPS = 放电等离子烧结, LC = 激光熔覆, HPHT = 高压/高压固结技术

下载: 导出CSV

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