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Stable reflectivity of bulk metallic glass mirrors for ITER optical diagnostic through an irradiation-induced self-recovery mechanism
Gong Fa-quan1,2; Wen Jing1; Zhao Ya-jun1; Qiang Jian-bing1; Wang Ying-min1; Mei Xian-xiu1; Dong Chuang1; Wang Zhi-guang3
刊名JOURNAL OF NUCLEAR MATERIALS
2012-10-01
DOI10.1016/j.jnucmat.2012.05.046
429期:1-3页:221-225
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Technology ; Physical Sciences
类目[WOS]Materials Science, Multidisciplinary ; Nuclear Science & Technology ; Mining & Mineral Processing
研究领域[WOS]Materials Science ; Nuclear Science & Technology ; Mining & Mineral Processing
英文摘要Reflection mirrors or first mirrors for ITER diagnostic are subjected to intense irradiations that deteriorate the reflectivity of the diagnostic mirrors. In the present study, the reflective optical properties of bulk metallic glasses Co61.2B26.2Si7.8Ta4.8, Zr(65)A(17.5)Ni(10)Cu(17.5) and Zr63.7Al9.0Ni27.3 after being exposed to hydrogen sputtering and helium erosion were compared to those of polycrystalline Mo and W. Surface structure and specular reflectivity of the mirrors were characterized before and after the exposures. Compared to polycrystalline Mo. W and Zr-based bulk amorphous alloys Zr(65)A(17.5)Ni(10)Cu(17.5) and Zr63.7Al9.0Ni27.3, no significant changes in specular reflectivity were observed for the mirror made from the Co-B-based bulk amorphous alloys Co61.2B26.2Si7.8Ta4.8 after the exposures. The initial surface crystallization of the bulk metallic glasses after a short influx of ions is shown to reverse to amorphization upon further bombardments, unveiling an erosion-induced self-recovery amorphization mechanism that guarantees stable surface structures and henceforth stable reflectivities. (C) 2012 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000309799100030
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/143029
专题中国科学院大连化学物理研究所
作者单位1.Dalian Univ Technol, Sch Mat Sci & Engn, Key Lab Mat Modificat Laser Ion & Electron Beams, Minist Educ, Dalian 116023, Peoples R China
2.Dalian Inst Chem Phys, Key Lab Chem Lasers, Dalian 116024, Peoples R China
3.Chinese Acad Sci, Inst Modern Phys, Beijing 100864, Peoples R China
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Gong Fa-quan,Wen Jing,Zhao Ya-jun,et al. Stable reflectivity of bulk metallic glass mirrors for ITER optical diagnostic through an irradiation-induced self-recovery mechanism[J]. JOURNAL OF NUCLEAR MATERIALS,2012,429(1-3):221-225.
APA Gong Fa-quan.,Wen Jing.,Zhao Ya-jun.,Qiang Jian-bing.,Wang Ying-min.,...&Wang Zhi-guang.(2012).Stable reflectivity of bulk metallic glass mirrors for ITER optical diagnostic through an irradiation-induced self-recovery mechanism.JOURNAL OF NUCLEAR MATERIALS,429(1-3),221-225.
MLA Gong Fa-quan,et al."Stable reflectivity of bulk metallic glass mirrors for ITER optical diagnostic through an irradiation-induced self-recovery mechanism".JOURNAL OF NUCLEAR MATERIALS 429.1-3(2012):221-225.
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