Oxidation behavior of NbMoTaWV refractory high entropy alloy at 1000-1400 °C

被引：5

作者：

Ding, Yi ^{[1
,2
]}

Cheng, Yanhai ^{[2
]}

Zhang, Ping ^{[3
]}

Wang, Xin ^{[1
]}

Liang, Xiubing ^{[1
]}

机构：

[1] PLA Acad Mil Sci, Def Innovat Inst, Beijing 100071, Peoples R China

[2] China Univ Min & Technol, Sch Mech Engn, Xuzhou 221116, Jiangsu, Peoples R China

[3] China Univ Min & Technol, Sch Mat & Phys, Xuzhou 221116, Jiangsu, Peoples R China

来源：

CAILIAO GONGCHENG-JOURNAL OF MATERIALS ENGINEERING | 2023年 / 51卷 / 05期

关键词：

refractoryhigh entropyalloy; hightemperature oxidation; oxidation behavior; oxidation kinetics; microstructure; elementdiffusion;

D O I：

10.11868/j.issn.1001-4381.2021.000301

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

high temperature oxidation behavior of NbMoTaWV refractory high entropy alloy (RHEA)preparedbyarcmeltingwasstudiedbystaticoxidationexperiment,XRDandFSEM.The resultsrevealthattheNbMoTaWV RHEAisnotprotectiveduetoseverecracksintheoxidelayerat 1000 degrees C and1200 degrees C.Themassgainfollowsalinearoxidationlaw.Moltenoxidesformedat1400 degrees C, whichreleasethegrowthstressoftheoxidelayerandfilltheholesleftbythevolatilizationofMoand V oxides.IntheoxidationprocessofNbMoTaWV,oxygendiffusesintothe matrixandfirstoxidizes with NbandTainthediffusionlayertogenerateneedle-rodlikeoxidationproducts,andthenoxidizes withotheralloyelements.Inthesubsequentoxidationprocess,theoxidesof W aredissolvedin Nb and Taoxides,whilethegranularmixedoxidesof Moand V volatilizeathightemperatures.

引用

页码：94 / 103

页数：10

共 22 条

[11] Mechanical properties of Nb25Mo25Ta25W25 and V20Nb20Mo20Ta20W20 refractory high entropy alloys [J].

Senkov, O. N. ;

Wilks, G. B. ;

Scott, J. M. ;

Miracle, D. B. .

INTERMETALLICS, 2011, 19 (05) :698-706

[12] Refractory high-entropy alloys [J].

Senkov, O. N. ;

Wilks, G. B. ;

Miracle, D. B. ;

Chuang, C. P. ;

Liaw, P. K. .

INTERMETALLICS, 2010, 18 (09) :1758-1765

[13] Development and exploration of refractory high entropy alloys-A review [J].

Senkov, Oleg N. ;

Miracle, Daniel B. ;

Chaput, Kevin J. ;

Couzinie, Jean-Philippe .

JOURNAL OF MATERIALS RESEARCH, 2018, 33 (19) :3092-3128

[14] Accelerated oxidation in ductile refractory high-entropy alloys [J].

Sheikh, Saad ;

Bijaksana, Muhammad Kurnia ;

Motallebzadeh, Amir ;

Shafeie, Samrand ;

Lozinko, Adrianna ;

Gan, Lu ;

Tsao, Te-Kang ;

Klement, Uta ;

Canadinc, Demircan ;

Murakami, Hideyuki ;

Guo, Sheng .

INTERMETALLICS, 2018, 97 :58-66

[15] Property tuning and additive manufacturing of refractory high-entropy alloys [J].

Sun Bo ;

Xia Ming ;

Zhang Zhi-bin ;

Liang Xiu-bing ;

Shen Bao-long .

CAILIAO GONGCHENG-JOURNAL OF MATERIALS ENGINEERING, 2020, 48 (10) :1-16

[16]

WAN X., 2021, STUDY PREPARATION ME

[17] 高熵合金Mo25Nb25Ta25W25的氧化行为 [J].

王康 ;

陈宇红 ;

王鸿业 ;

白掌军 ;

刘创红 ;

吴澜尔 .

特种铸造及有色合金, 2018, 38 (06) :661-665

[18]

Wang RX, 2020, RARE METAL MAT ENG, V49, P2417

[19] High temperature oxidation behavior of refractory high entropy alloys NbMoTaWTi/Zr [J].

Wang Xin ;

Wan Yi-xing ;

Zhang Ping ;

Shan Cai-xia ;

Xie Ying-ying ;

Hang Xiu-bing .

CAILIAO GONGCHENG-JOURNAL OF MATERIALS ENGINEERING, 2021, 49 (12) :100-106

[20]

Wang X, 2021, RARE METAL MAT ENG, V50, P2986

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