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Microstructural evolution at grain boundary and deformation mechanism of Nb_(0.5)TiZrV_(0.5)refractory high entropy alloy doped with Ce at room temperature被引量：1
《Journal of Materials Science & Technology》2024年第29期25-39,共15页H.L.Yao Y.X.Yu J.B.Sha 
financially supported by the National Natural Science Foundation of China(No.52071007).
Nb_(0.5)TiZrV_(0.5)alloy is one of the lightweight refractory high-entropy alloys(RHEAs)and has a great potential to be structural materials.Here,the microstructural evolution at the grain boundaries(GBs),the tensile ...
关键词：Refractory high entropy alloy Cerium addition Microstructure Tensile behaviors Deformation 
Significantly ameliorating room-temperature brittleness of refractory high-entropy alloys via in situ heterogeneous structure
《Journal of Materials Science & Technology》2024年第26期1-17,共17页Dong Han Baijun Yang Wenlong Xu Hongwang Yang Guofeng Han Xiaoming Wang Jianqiang Wang 
supported by the National Key Research&De-velopment Program of China(No.2022YFF0609002);the National Natural Science Foundation of China(Nos.U1908219,52171163,and 52271157);the Key Research Program of the Chinese Academy of Sciences(No.ZDRW-CN-2021-2-2);the key Research&Devel-opment Plan of Jiangxi Province(No.20192ACB80001);the Natu-ral Science Foundation of Liaoning Province(No.2022-BS-001);the China Postdoctoral Science Foundation(No.2022M713210);the Shenyang National Laboratory for Materials Science.
Although refractory high-entropy alloys(RHEAs)possess excellent softening resistance and thermal sta-bility at high temperatures,their practical application is often limited due to room temperature(RT)brit-tleness.In ...
关键词：Refractory high-entropy alloy Heterogeneous structure Heterodeformation-induced hardening BRITTLENESS PLASTICITY B2 phase 
Refractory high-entropy alloys with ultra-high strength and strain hardening ability induced by heterogeneous deformation and microbands
《Journal of Materials Science & Technology》2024年第25期215-227,共13页Yaxi Ma Yang Zhang Lixin Sun Zhongwu Zhang 
supported by the NSFC Funding(Nos.U2141207,52001083,and 52171111);the Natural Science Foun-dation of Heilongjiang(No.YQ2023E026);the Youth Talent Project of China National Nuclear Corporation(No.CNNC2021YTEP-HEU01).
Refractory high-entropy alloys(RHEAs)are potential materials for high-temperature structural applica-tions due to their excellent high-temperature performance.However,the early onset of plastic instability in RHEAs is...
关键词：Refractory high-entropy alloy Severe plastic deformation Heterogeneous structure Heterogeneous deformation-induced hardening Microband-induced plasticity 
Enhanced plasticity in refractory high-entropy alloy via multicomponent ceramic nanoparticle
《Journal of Materials Science & Technology》2024年第27期51-62,共12页Hongyi Li Fuhua Cao Tong Li Yuanyuan Tan Yan Chen Haiying Wang Peter K.Liaw Lanhong Dai 
supported by the Ye Qisun Science Foun-dation of National Natural Science Foundation of China(No.U2141204);the NSFC(Nos.12102433 and 11972346);theNSFC Ba-sic Science Center Program for“Multiscale Problems in Nonlinear Mechanics”(No.11988102);the opening project of State Key Labo-ratory of Explosion Science and Technology(No.KFJJ23-03M);P.K.Liaw very much appreciates the support from the National Science Foundation(Nos.DMR-1611180,1809640,and 2226508)with pro-gram directors;Drs.J.Madison,J.Yang,G.Shiflet,and D.Farkas and the US Army Research Office(Nos.W911NF-13-1-0438 and W911NF-19-2-0049)with program managers,Drs.M.P.Bakas,S.N.Mathaudhu,and D.M.Stepp.
Refractory high-entropy alloys (RHEAs) exhibit remarkable strengths at elevated temperatures and are hence extremely promising candidates for high-temperature structural materials. However, the RHEAs with ordered supe...
关键词：Refractory high-entropy superalloys PLASTICITY Multicomponent ceramic nanoparticles Ordering-disordering transition 
TiZrHfNb refractory high-entropy alloys with twinning-induced plasticity
《Journal of Materials Science & Technology》2024年第20期72-85,共14页Shubin Wang Da Shu Peiying Shi Xianbing Zhang Bo Mao Donghong Wang Peter.K.Liaw Baode Sun 
This work was supported by the National Natural Science Foun-dation of China(Nos.52301163 and 51821001);the National Key R&D Program of China(No.2022YFB3706800);P.K.Liaw very much appreciates the support from(1)the National Science Foun-dation(Nos.DMR-1611180,1809640,and 2226508);(2)the US Army Research Office(Nos.W911NF-13–1–0438 and W911NF-19–2–0049).
The twinning-induced plasticity(TWIP)effect has been widely utilized in austenite steels,β-Ti alloys,and recently developed face-centered-cubic(FCC)high-entropy alloys(HEAs)to simultaneously enhance the tensile stren...
关键词：Refractory high-entropy alloys Cryogenic temperature Twinning induced plasticity Hierarchical twins Tensile properties 
Tailoring microstructures and mechanical properties of Zr_(45)Ti_(15)Nb_(30)Ta_(10) refractory complex concentrated alloy using warm-rolling
《Journal of Materials Science & Technology》2024年第20期101-112,共12页Yongkang Zhou Shuai Zeng Hongwei Zhang Haifeng Zhang Hongquan Gao Hongwei Zhao Zhengwang Zhu 
This work was financially supported by the National Natu-ral Science Foundation of China(No.52074257);the Chinese Academy of Sciences(No.ZDBS-LY-JSC023).
Compared with cold rolling,warm rolling can significantly reduce or completely eliminate microstruc-ture damage to regulate the microstructure of the material,which is an effective method to improve the mechanical pro...
关键词：Refractory complex concentrated alloy Warm rolling Heterogeneous structure Mechanical properties 
Creep in a nanocrystalline VNbMoTaW refractory high-entropy alloy
《Journal of Materials Science & Technology》2024年第20期221-229,共9页Xun Shen Baoru Sun Shengwei Xin Shuaijun Ding Tongde Shen 
This work was supported by the National Natural Science Foun-dation of China(Nos.11935004 and 51971195);the High-Level Tal-ents Research Program of the Yanshan University(No.606001101);the Youth Fund Project of Science and Technology Research of Hebei Province(No.QN2020210);the Natural Science Founda-tion of Hebei Province(Nos.E2019203465 and B2020203037).
Refractory high-entropy alloys(RHEAs)are considered to be a promising candidate for elevated temper-ature applications.Nanocrystalline(NC)RHEAs are supposed to exhibit many different high-temperature mechanical behavi...
关键词：NANOCRYSTALLINE VNbMoTaW Refractory high-entropy alloy Creep behaviors Grain boundary diffusion 
D0_(22) precipitates strengthened W-Ta-Fe-Ni refractory high-entropy alloy
《Journal of Materials Science & Technology》2024年第10期85-95,共11页Tong Li Jin-Xi Chen Tian-Wei Liu Yan Chen Jun-Hua Luan Zeng-Bao Jiao Chain-Tsuan Liu Lan-Hong Dai 
National Natural Science Foundation of China(Nos.11790292,11972346,12102433,U2141204 and 11988102);National Key Research and Development Program of China(No.2017YFB0702003);Strategic Priority Research Program(Nos.XDB22040302 and XDB22040303);Key Research Program of Frontier Sciences(No.QYZDJSSW-JSC011);Science Challenge Project(No.TZ2016001);Key Research Program of the Chinese Academy of Sciences(No.ZDRW-CN-2021-2-3);Opening Project of State Key Laboratory of Explosion Science and Technology(No.KFJJ21-01Z).
Refractory high-entropy alloys have recently emerged as promising candidates for high-temperature structural applications.However,their performance is compromised by the trade-off required between strength and ductili...
关键词：Refractory high entropy alloy Multi-phase structure D0_(22)superlattice Precipitation strengthening 
Phase evolution and mechanical properties of low-activation refractory high-entropy alloy Ti_(1.5)ZrV_(0.5)Ta_(0.5)被引量：1
《Journal of Materials Science & Technology》2024年第7期145-156,共12页Yuxiang Chen Ningyu Li Yijie Wang Kang Liu Yongqin Chang Mingyang Li 
supported by the National Natural Science Foundation of China(Nos.51971021 and 11775017);the National Magnetic Confinement Fusion Program of China(No.2019YFE03130002).
A novel low-activation Ti_(1.5)ZrV_(0.5)Ta_(0.5)refractory high-entropy alloy(RHEA)was designed as a potential candidate for nuclear reactor application.At room temperature,it had an elongation of 8.4%and a yield stre...
关键词：Low-activation Refractory high-entropy alloy Phase evolution Phase formation mechanism Strengthening mechanism 
Outstanding specific yield strength of a refractory high-entropy composite at an ultrahigh temperature of 2273 K被引量：1
《Journal of Materials Science & Technology》2023年第35期145-154,共10页Bo Sun Jinyong Mo Qianqian Wang Yongxiong Chen Zhibin Zhang Baolong Shen Xiubing Liang 
This work is supported by the National Key Research and Development Program of China(Grant No.2018YFC1902400);the National Natural Science Foundation of China(Grant No.51975582);the Key Research and Development Program of Jiangsu Province(Grant No.BE2021088).
We reported on the mechanical properties and microstructural evolution of a W_(20)Ta_(30)Mo_(20)C_(30)(at.%)re-fractory high-entropy composite(RHEC).The RHEC exhibited outstanding yield strength at both 2273 and 1873 ...
关键词：Refractory high-entropy composite METASTABILITY Ultrahigh temperature Mechanical property Phase transformation 
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