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Hybrid diffusive-displacive helium outgassing in Cu/Nb multilayer composites

文献类型：期刊论文

作者Gao, Rui1; Jin, Miaomiao2; Li, Qing-Jie1; So, Kang Pyo1; Zhang, Lifeng3,4; Wang, Xianping3; Fang, Qianfeng3; Sun, Cheng5; Shao, Lin6; Li, Ju1,7
刊名SCRIPTA MATERIALIA
出版日期2021-03-15
卷号194
关键词Thermal desorption spectroscopy In-situ TEM heating Helium bubble coalescence Fracture Surface blister
ISSN号1359-6462
DOI10.1016/j.scriptamat.2020.113706
通讯作者Jin, Miaomiao(mmjin@psu.edu) ; Li, Ju(liju@mit.edu)
英文摘要Gas generation degrades material properties in nuclear applications. The construction of self-assembled bubble channels was proposed to help release gas to the surface. In this study, thermal desorption spectroscopy, in-situ TEM heating and molecular dynamics simulations were carried out to assess the out gassing feasibility in helium-irradiated Cu/Nb multilayers with low structural damage. We found that the formation of outgassing networks has a hybrid diffusive-displacive nature, with diffusive bubble coalescence and crack-induced displacive fracture. The latter could destroy the integrity of the multilayer structure. This suggests that the outgassing strategy making use of self-assembled cavity networks should be carefully designed to avoid large-scale structural failure. (c) 2020 Published by Elsevier Ltd on behalf of Acta Materialia Inc.
资助项目Eni S.p.A. through the MIT Energy Initiative ; US DOE Office of Nuclear Energy's NEUP Program[DE-NE0008827] ; Office of Nuclear Energy of the U.S. Department of Energy ; Office of Nuclear Energy of the Nuclear Science User Facilities[DE-AC07-05ID14517] ; National Natural Science Foundation of China[12005256] ; National Natural Science Foundation of China[U1967211] ; National Natural Science Foundation of China[51771181] ; National Natural Science Foundation of China[51801194] ; National Natural Science Foundation of China[51971212] ; Anhui Provincial Natural Science Foundation[1908085QA42]
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000613278700013
出版者PERGAMON-ELSEVIER SCIENCE LTD
资助机构Eni S.p.A. through the MIT Energy Initiative ; US DOE Office of Nuclear Energy's NEUP Program ; Office of Nuclear Energy of the U.S. Department of Energy ; Office of Nuclear Energy of the Nuclear Science User Facilities ; National Natural Science Foundation of China ; Anhui Provincial Natural Science Foundation
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/120628]  
专题中国科学院合肥物质科学研究院
通讯作者Jin, Miaomiao; Li, Ju
作者单位1.MIT, Dept Nucl Sci & Engn, 77 Massachusetts Ave, Cambridge, MA 02139 USA
2.Penn State Univ, Dept Nucl Engn, 205 Hallowell Bldg, University Pk, PA 16802 USA
3.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
4.Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Peoples R China
5.Idaho Natl Lab, Characterizat & Adv PIE Div, Idaho Falls, ID 83415 USA
6.Texas A&M Univ, Dept Nucl Engn, College Stn, TX 77845 USA
7.MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
推荐引用方式
GB/T 7714		 Gao, Rui,Jin, Miaomiao,Li, Qing-Jie,et al. Hybrid diffusive-displacive helium outgassing in Cu/Nb multilayer composites[J]. SCRIPTA MATERIALIA,2021,194.
APA Gao, Rui.,Jin, Miaomiao.,Li, Qing-Jie.,So, Kang Pyo.,Zhang, Lifeng.,...&Li, Ju.(2021).Hybrid diffusive-displacive helium outgassing in Cu/Nb multilayer composites.SCRIPTA MATERIALIA,194.
MLA Gao, Rui,et al."Hybrid diffusive-displacive helium outgassing in Cu/Nb multilayer composites".SCRIPTA MATERIALIA 194(2021).

入库方式： OAI收割

来源：合肥物质科学研究院

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