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Microstructure evolution in Si+ ion irradiated and annealed Ti3SiC2 MAX phase

文献类型：期刊论文

作者Ye, Chao3; Chang, Qing3; Lei, Penghui2; Dong, Wenhui3; Peng, Qing1
刊名JOURNAL OF THE AMERICAN CERAMIC SOCIETY
出版日期2022-05-02
页码8
关键词annealing dislocation networks ion irradiation ripplocations Ti3SiC2
ISSN号0002-7820
DOI10.1111/jace.18510
通讯作者Ye, Chao(yechao@nwpu.edu.cn) ; Peng, Qing()
英文摘要Ti3SiC2 samples were irradiated by a 6-MeV Si+ ion to a fluence of 2 x$ \times $ 10(16) Si+ ions/cm(2) at 300 degrees C followed by annealing at 900 degrees C for 5 h. A transmission electron microscope was used to characterize microstructural evolution. The phase of Ti3SiC2 transformed from the hexagonal close-packed (HCP) to a face-centered cubic structure after irradiation. Hexagonal screw dislocation networks were identified at the deepest position of the irradiated area, which are the products of dislocations reactions. After annealing, the irradiated region has reverted to the original HCP structure. High-density cavities and stacking faults were formed along the basal planes. In addition, ripplocations have been observed in the irradiated region in the Ti3SiC2 sample after annealing. Our insights into the formation processes and corresponding mechanisms of these defect structures might be helpful in the material design of advanced irradiation tolerance materials.
WOS关键词NEUTRON-IRRADIATION ; M(N+1)AX(N) PHASES ; HIGH-TEMPERATURE ; SUPERALLOY ; TOLERANCE ; CORROSION ; CERAMICS ; CARBIDES ; BEHAVIOR ; TI3ALC2
资助项目NPL ; CAEP[2015AB001] ; National major scientific research equipment development of China[11227804] ; Chinese Academy of Sciences[E1Z1011001]
WOS研究方向Materials Science
语种英语
WOS记录号WOS:000789277400001
资助机构NPL ; CAEP ; National major scientific research equipment development of China ; Chinese Academy of Sciences
源URL[http://dspace.imech.ac.cn/handle/311007/89048]  
专题力学研究所_非线性力学国家重点实验室
通讯作者Ye, Chao; Peng, Qing
作者单位1.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
2.Xi An Jiao Tong Univ, Sch Nucl Sci & Technol, Xian, Peoples R China
3.Northwestern Polytech Univ, Yangtze River Delta Res Inst, Xian, Peoples R China
推荐引用方式
GB/T 7714		 Ye, Chao,Chang, Qing,Lei, Penghui,et al. Microstructure evolution in Si+ ion irradiated and annealed Ti3SiC2 MAX phase[J]. JOURNAL OF THE AMERICAN CERAMIC SOCIETY,2022:8.
APA Ye, Chao,Chang, Qing,Lei, Penghui,Dong, Wenhui,&Peng, Qing.(2022).Microstructure evolution in Si+ ion irradiated and annealed Ti3SiC2 MAX phase.JOURNAL OF THE AMERICAN CERAMIC SOCIETY,8.
MLA Ye, Chao,et al."Microstructure evolution in Si+ ion irradiated and annealed Ti3SiC2 MAX phase".JOURNAL OF THE AMERICAN CERAMIC SOCIETY (2022):8.

入库方式： OAI收割

来源：力学研究所

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