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High-temperature Mechanical Properties and Dynamic Recrystallization Mechanism of in situ Silicide-reinforced MoNbTaTiVSi Refractory High-entropy Alloy Composite

文献类型：期刊论文

作者Ge, Shaofan1,2; Lin, Shifeng1; Fu, Huameng1,3,4; Zhang, Long1; Geng, Tieqiang1; Zhu, Zhengwang1,3,4; Li, Zhengkun1,3; Li, Hong1,3; Wang, Aimin1,3,4; Zhang, Hongwei1,3,4
刊名ACTA METALLURGICA SINICA-ENGLISH LETTERS
出版日期2022-04-09
页码14
ISSN号1006-7191
关键词Refractory high-entropy alloy composite Mechanical properties In situ silicide compound Dynamic recrystallization
DOI10.1007/s40195-022-01394-7
通讯作者Fu, Huameng(hmfu@imr.ac.cn) ; Li, Hong(lihong@imr.ac.cn)
英文摘要The hypoeutectic composite material composed of BCC phase and in situ precipitated Ti5Si3 was prepared by adding Si into MoNbTaTiV high-entropy alloy. The obvious oriented in situ Ti5Si3 phase formed eutectic phase with BCC phase in the inter-dendritic area, which leads to excellent properties of the composite. The alloy exhibits ultra-high yield stress of 718 MPa at 1200 degrees C and obvious compression plasticity. After reaching the maximum strength, dynamic recovery (DRV) and dynamic recrystallization (DRX) caused soften phenomena. The DRX mechanism of the dual-phase eutectic structure is analyzed by electron backscatter diffraction. The DRX of the BCC phase conforms to the discontinuous DRX and continuous DRX mechanisms, while the Ti5Si3 phase has a geometric DRX mechanism in addition to the above two mechanisms. The high performance of this composite has enough potential high-temperature applications such as nuclear and aero engine.
资助项目National Key Research and Development Program[2018YFB0703402] ; National Natural Science Foundation of China[51790484] ; National Natural Science Foundation of China[52074257] ; Chinese Academy of Sciences[ZDBS-LY-JSC023] ; Dongguan Innovative Research Team Program[2014607134] ; Science and Technology on Transient Impact Laboratory[6142606192208]
WOS研究方向Metallurgy & Metallurgical Engineering
语种英语
出版者CHINESE ACAD SCIENCES, INST METAL RESEARCH
WOS记录号WOS:000779805000002
资助机构National Key Research and Development Program ; National Natural Science Foundation of China ; Chinese Academy of Sciences ; Dongguan Innovative Research Team Program ; Science and Technology on Transient Impact Laboratory
源URL[http://ir.imr.ac.cn/handle/321006/172969]  
专题金属研究所_中国科学院金属研究所
通讯作者Fu, Huameng; Li, Hong
作者单位1.Chinese Acad Sci, Shi Changxu Innovat Ctr Adv Mat, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Chinese Acad Sci, Inst Met Res, CAS Key Lab Nucl Mat & Safety Assessment, Shenyang 110016, Peoples R China
4.Dongguan Eontec Co Ltd, Dongguan 523662, Peoples R China
推荐引用方式
GB/T 7714		 Ge, Shaofan,Lin, Shifeng,Fu, Huameng,et al. High-temperature Mechanical Properties and Dynamic Recrystallization Mechanism of in situ Silicide-reinforced MoNbTaTiVSi Refractory High-entropy Alloy Composite[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2022:14.
APA Ge, Shaofan.,Lin, Shifeng.,Fu, Huameng.,Zhang, Long.,Geng, Tieqiang.,...&Zhang, Haifeng.(2022).High-temperature Mechanical Properties and Dynamic Recrystallization Mechanism of in situ Silicide-reinforced MoNbTaTiVSi Refractory High-entropy Alloy Composite.ACTA METALLURGICA SINICA-ENGLISH LETTERS,14.
MLA Ge, Shaofan,et al."High-temperature Mechanical Properties and Dynamic Recrystallization Mechanism of in situ Silicide-reinforced MoNbTaTiVSi Refractory High-entropy Alloy Composite".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2022):14.

入库方式： OAI收割

来源：金属研究所

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