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  4. 中科院等离子体物理研究所
Mechanical properties and thermal stability of rolled W-0.5 wt% TiC alloys

文献类型：期刊论文

作者Miao, S.1,2; Xie, Z. M.1,2; Zhang, T.1,3; Wang, X. P.1; Fang, Q. F.1; Liu, C. S.1; Luo, G. N.4; Liu, X.5; Lian, Y. Y.5
刊名MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
出版日期2016-08-01
卷号671期号:无页码:87-95
关键词W-tic Alloys Recrystallization Mechanical Properties Thermal Stability
DOI10.1016/j.msea.2016.06.049
文献子类Article
英文摘要In this paper, hot rolled W-0.5 wt% TiC alloys are fabricated via a combination of powder metallurgy and subsequent hot rolling with 65% thickness reduction. The as-rolled alloys show high strength of 789 MPa at 200 degrees C with a total elongation of 4.8%. We have explored the mechanical properties and thermal stability of W-0.5 we% TiC alloys after annealing at various temperature. The corresponding results show that hardness and fracture strength slightly decrease with increased annealing temperature up to 1500 degrees C owing to recovery. While after annealing at 1600 degrees C for 1 h, the fracture strength of W-0.5 wt% TiC alloys decreases significantly due to full recrystallization and grain growth. The thermal conductivity increases with increased annealing temperature. The observed incubation time for recrystallization and the corresponding recrystallization thermal activation energy (similar to 612 kJ/mol) for this rolled plates indicate a sufficient thermal stability at service temperature below 1200 degrees C. This good thermal stability is attributed to the nanosized TiC dispersion strengthened structures. (C) 2016 Elsevier B.V. All rights reserved.
WOS关键词DISPERSION-STRENGTHENED TUNGSTEN ; PLASMA-FACING MATERIALS ; HELIUM-COOLED DIVERTOR ; GRAIN-GROWTH ; DEGREES-C ; BEHAVIOR ; MICROSTRUCTURE ; DEFORMATION ; COMPOSITE ; FAILURE
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000381165400009
资助机构National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Natural Science Foundation of China(11575241 ; 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National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; National Natural Science Foundation of China(11575241 ; Anhui Provincial Natural Science Foundation of China(1408085QE77) ; Anhui Provincial Natural Science Foundation of China(1408085QE77) ; 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源URL[http://ir.hfcas.ac.cn:8080/handle/334002/21822]  
专题合肥物质科学研究院_中科院等离子体物理研究所
作者单位1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Peoples R China
3.Chinese Acad Sci, Hefei Sci Ctr, Hefei 230031, Peoples R China
4.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China
5.Southwestern Inst Phys, Chengdu, Peoples R China
推荐引用方式
GB/T 7714		 Miao, S.,Xie, Z. M.,Zhang, T.,et al. Mechanical properties and thermal stability of rolled W-0.5 wt% TiC alloys[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2016,671(无):87-95.
APA Miao, S..,Xie, Z. M..,Zhang, T..,Wang, X. P..,Fang, Q. F..,...&Lian, Y. Y..(2016).Mechanical properties and thermal stability of rolled W-0.5 wt% TiC alloys.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,671(无),87-95.
MLA Miao, S.,et al."Mechanical properties and thermal stability of rolled W-0.5 wt% TiC alloys".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 671.无(2016):87-95.

入库方式： OAI收割

来源：合肥物质科学研究院

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