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Structural evolution in ZrC-SiC composite irradiated by 4MeV Au ions
Bao, Weichao1,2,7; Liu, Ji-Xuan2; Wang, Xingang1; Zhang, Hai-Bin3; Xue, Jiaxiang4; Sun, Shi-Kuan5; Xu, Fangfang1; Xue, Jianming6; Zhang, Guo-Jun2
2018
Source PublicationNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
ISSN0168583X
Volume434Pages:23-28
AbstractIn-depth structural characterization has been performed to investigate the structural evolution in ZrC-SiC under irradiation by high dose of 4 MeV Au2+ ions. XRD, SEM, TEM and Raman examinations have been utilized in the present study. The damage depth in SiC (∼1.55 μm) is found deeper than in ZrC (∼1.22 μm). SiC became amorphous under irradiation accompanied by volume expansion. ZrC kept crystalline but enhanced the formation of carbon vacancies and exhibited high density of dislocations whose structures varied with depth. Compressive stress due to swelling in amorphization of SiC result in 0.49% shrinkage of lattice parameters of ZrC unit cell. The grain boundaries kept structural integrity without occurrence of cracks or broadening, which implies absence of large degradation in mechanical properties of ZrC-SiC composite after irradiation. © 2018 Elsevier B.V.
DOI10.1016/j.nimb.2018.08.006
PublisherElsevier B.V.
EI KeywordsFluorine compounds
EI Classification Number547.1 Precious Metals - 804.2 Inorganic Compounds
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25212
Collection中国科学院上海硅酸盐研究所
Affiliation1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Shanghai; 200050, China;
2.State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Institute of Functional Materials, Donghua University, Shanghai; 201620, China;
3.Institute of Nuclear Physics and Chemistry, Chinese Academy of Engineering Physics, MianYang; 621900, China;
4.Nuclear Fuel Research and Development Center, China Nuclear Power Technology Research Institute, Shenzhen; 518026, China;
5.Department of Materials Science and Engineering, University of Sheffield, Sheffield; S1 3JD, United Kingdom;
6.State Key Laboratory of Nuclear Physics and Technology, School of Physics, Peking University, Beijing; 100871, China;
7.University of Chinese Academy of Sciences, Beijing; 100049, China
Recommended Citation
GB/T 7714
Bao, Weichao,Liu, Ji-Xuan,Wang, Xingang,et al. Structural evolution in ZrC-SiC composite irradiated by 4MeV Au ions[J]. Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms,2018,434:23-28.
APA Bao, Weichao.,Liu, Ji-Xuan.,Wang, Xingang.,Zhang, Hai-Bin.,Xue, Jiaxiang.,...&Zhang, Guo-Jun.(2018).Structural evolution in ZrC-SiC composite irradiated by 4MeV Au ions.Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms,434,23-28.
MLA Bao, Weichao,et al."Structural evolution in ZrC-SiC composite irradiated by 4MeV Au ions".Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms 434(2018):23-28.
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