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Raman spectra and modulus measurement on the cross section of proton-irradiated graphite
Huang, Q; Lei, QT; Deng, Q; Tang, H; Wang, YQ; Li, JJ; Huang, HF; Yan, L; Lei, GH; Xie, RB
2017
Source PublicationNUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS
ISSN0168-583X
Volume412Issue:-Pages:221-226
Subtype期刊论文
AbstractA method combining proton irradiation and nano-indentation was explored in this study to measure the modulus of irradiated graphite. A IG-110 graphite sample was irradiated with 2.5-MeV protons to a fluence of 1.2 x 10(18) ions/cm(2) at room temperature. Proton irradiation produced a damaged layer with a thickness of similar to 75 mu m. A scan of Raman spectrum was performed on cross section of irradiated sample. Analysis of the Raman spectra indicates that the graphite breaks into nano-crystalline graphite at very low dose (0.02-0.04 dpa) during room-temperature irradiation. Nano-indentation tests were performed on the cross section of irradiated sample so that the damage along the loading direction is uniform. Thus, it was able to identify a dpa value for the nano-indentation tests. Using this method, the modulus at 0.015 dpa was deduced to be 2.39 times that of the un-irradiated graphite. The hardness is also more than doubled after irradiation to 0.015 dpa. (C) 2017 Elsevier B.V. All rights reserved.
KeywordIon-implanted Graphite Nuclear Graphite Amorphous-carbon Radiation-damage Spectroscopy Ig-110
DOI10.1016/j.nimb.2017.09.004
WOS KeywordION-IMPLANTED GRAPHITE ; NUCLEAR GRAPHITE ; AMORPHOUS-CARBON ; RADIATION-DAMAGE ; SPECTROSCOPY ; IG-110
Indexed BySCI
Language英语
WOS IDWOS:000416185300026
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28792
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Huang, Q,Lei, QT,Deng, Q,et al. Raman spectra and modulus measurement on the cross section of proton-irradiated graphite[J]. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,2017,412(-):221-226.
APA Huang, Q.,Lei, QT.,Deng, Q.,Tang, H.,Wang, YQ.,...&Xie, RB.(2017).Raman spectra and modulus measurement on the cross section of proton-irradiated graphite.NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS,412(-),221-226.
MLA Huang, Q,et al."Raman spectra and modulus measurement on the cross section of proton-irradiated graphite".NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS 412.-(2017):221-226.
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