CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Evolution of amorphization and nanohardness in SiC under Xe ion irradiation
Li, JJ; Huang, HF; Lei, GH; Huang, Q; Liu, RD; Li, DH; Yan, L; yanlong@sinap.ac.cn
2014
Source PublicationJOURNAL OF NUCLEAR MATERIALS
ISSN0022-3115
Volume454Issue:42007Pages:173—177
AbstractAmorphization and nanohardness changes of SiC irradiated with 7 MeV Xenon ions at doses from 0.006 to 2 dpa were investigated. At a dose of 0.6 dpa, the results of Raman spectrum reveal the formation of Si-Si and C-C bonds within the SiC network while TEM results show the appearance of amorphous islands. The hardness of irradiated SiC is regarded as a combined result of covalent-bond damage and hardening effect of defects. In the low dpa regime (<0.06 dpa), the hardness of irradiated SiC increases with increasing dose, which is mainly caused by hardening effect. Up to 0.06 dpa, the hardening increases about 20.3%. And an equilibrium is reached between the covalent-bond damage and the hardening effect when irradiated SiC begins to amorphize (0.6 dpa). Above the dose of 0.6 dpa, the hardness decreases strongly due to the grievous covalent-bond damage. (C) 2014 Elsevier B.V. All rights reserved.
KeywordSilicon-carbide Mechanical-properties Neutron-irradiation Raman-spectroscopy Heavy-ion Damage Beam Indentation Implantation Temperature
Indexed BySCI
Language英语
WOS IDWOS:000344428900025
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14123
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authoryanlong@sinap.ac.cn
Recommended Citation
GB/T 7714
Li, JJ,Huang, HF,Lei, GH,et al. Evolution of amorphization and nanohardness in SiC under Xe ion irradiation[J]. JOURNAL OF NUCLEAR MATERIALS,2014,454(42007):173—177.
APA Li, JJ.,Huang, HF.,Lei, GH.,Huang, Q.,Liu, RD.,...&yanlong@sinap.ac.cn.(2014).Evolution of amorphization and nanohardness in SiC under Xe ion irradiation.JOURNAL OF NUCLEAR MATERIALS,454(42007),173—177.
MLA Li, JJ,et al."Evolution of amorphization and nanohardness in SiC under Xe ion irradiation".JOURNAL OF NUCLEAR MATERIALS 454.42007(2014):173—177.
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