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Recrystallization and thermal shock fatigue resistance of nanoscale ZrC dispersion strengthened Walloys as plasma-facing components in fusion devices
Xie, Z. M.1; Miao, S.1,2; Liu, R.1; Zeng, L. F.1,2; Zhang, T.1; Fang, Q. F.1,2; Liu, C. S.1; Wang, X. P.1; Lian, Y. Y.3; Liu, X.3; Cai, L. H.4
2017-12-01
Source PublicationJOURNAL OF NUCLEAR MATERIALS
Volume496Issue:Pages:41-53
AbstractRecrystallization and thermal shock fatigue resistance behavior of nanoscale ZrC dispersion strengthened bulk tungsten alloys (W-0.5 wt% ZrC, WZrC) as potential candidates for plasma-facing components were investigated. By employing heat treatments with isochronal experiments, the evolution of the tungsten grain size/orientation, second phase particle distribution, thermal conductivity and mechanical properties were systematically studied. The effects of edge-localized mode like transient heat events on the as-rolled and recrystallized WZrC were investigated carefully. Pulses from an electron beam with durations of 1 ms were used to simulate the transient heat loading in fusion devices. The cracking thresholds, cracking mechanisms and recrystallization under repetitive (100 shots) transient heat loads were investigated. Results indicate that the cracking threshold of all the WZrC samples is 220-330 MW/m(2) (corresponding to a heat load parameter F = 7.0-10.4 MJ/m(2)s(1/2)) at room temperature and the heat bombardment induced recrystallization occurs at a heat parameter of 10.4 MJ/m(2)s(1/2). (C) 2017 Elsevier B. V. All rights reserved.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
Funding OrganizationNational Magnetic Confinement Fusion Program(2015GB112000) ; National Natural Science Foundation of China(11575241 ; 11374299 ; 51301164 ; 11375230 ; 51671184 ; 11274305 ; 1475216) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Natural Science Foundation of China(11575241 ; 11374299 ; 51301164 ; 11375230 ; 51671184 ; 11274305 ; 1475216)
DOI10.1016/j.jnucmat.2017.09.022
WOS KeywordMECHANICAL-PROPERTIES ; GRAIN-GROWTH ; ELEVATED-TEMPERATURES ; ROLLED TUNGSTEN ; TRANSIENT HEAT ; LOADS ; MICROSTRUCTURE ; TRANSITION ; BEHAVIOR
Indexed BySCI
Language英语
Funding OrganizationNational Magnetic Confinement Fusion Program(2015GB112000) ; National Natural Science Foundation of China(11575241 ; 11374299 ; 51301164 ; 11375230 ; 51671184 ; 11274305 ; 1475216) ; National Magnetic Confinement Fusion Program(2015GB112000) ; National Natural Science Foundation of China(11575241 ; 11374299 ; 51301164 ; 11375230 ; 51671184 ; 11274305 ; 1475216)
WOS Research AreaMaterials Science ; Nuclear Science & Technology
WOS SubjectMaterials Science, Multidisciplinary ; Nuclear Science & Technology
WOS IDWOS:000414205500005
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.hfcas.ac.cn:8080/handle/334002/33837
Collection中科院固体物理研究所
Affiliation1.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China
2.Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
3.Southwestern Inst Phys, Chengdu 610041, Sichuan, Peoples R China
4.ATTL Adv Mat Co Ltd, Beijing 100083, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Xie, Z. M.,Miao, S.,Liu, R.,et al. Recrystallization and thermal shock fatigue resistance of nanoscale ZrC dispersion strengthened Walloys as plasma-facing components in fusion devices[J]. JOURNAL OF NUCLEAR MATERIALS,2017,496(无):41-53.
APA Xie, Z. M..,Miao, S..,Liu, R..,Zeng, L. F..,Zhang, T..,...&Cai, L. H..(2017).Recrystallization and thermal shock fatigue resistance of nanoscale ZrC dispersion strengthened Walloys as plasma-facing components in fusion devices.JOURNAL OF NUCLEAR MATERIALS,496(无),41-53.
MLA Xie, Z. M.,et al."Recrystallization and thermal shock fatigue resistance of nanoscale ZrC dispersion strengthened Walloys as plasma-facing components in fusion devices".JOURNAL OF NUCLEAR MATERIALS 496.无(2017):41-53.
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