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Characterization of hydrogen-induced structural changes in Zr-based bulk metallic glasses using positron annihilation spectroscopy
Dong, FY; Su, YQ; Luo, LS; Guo, JJ; Fu, HZ; Li, ZX; Wang, BY;李卓昕; Wang BY(王宝义)
2012
发表期刊JOURNAL OF MATERIALS RESEARCH
卷号27期号:20页码:2587-2592
摘要The effects of hydrogen on the structure of Zr-based bulk metallic glasses were investigated by positron annihilation lifetime spectroscopy. Three lifetime components are identified, indicating the presence of three distinct size ranges for open volume defects in the glass. The concentration of the smallest sites identified as tetrahedral interstitial holes in the densely packed and the intermediate sites identified as flow defects, changes with hydrogen addition. The concentration of tetrahedral interstitial holes in Zr55Cu30Ni5Al10 alloys initially increases with the increase of hydrogen content. When Zr55Cu30Ni5Al10 alloys were prepared in Ar + 10%H-2 atmospheres, the concentration of tetrahedral interstitial holes reaches a maximum, which may provide a more dense random-packed structure. For Zr57Al10Cu15.4Ni12.6Nb5 alloys, the increase of hydrogen content causes a decrease in the concentration of tetrahedral interstitial holes and an increase in the concentration of flow defects.
学科领域Materials Science
DOI10.1557/jmr.2012.209
收录类别SCI
WOS记录号WOS:000309728300002
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/224207
专题多学科研究中心
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Dong, FY,Su, YQ,Luo, LS,et al. Characterization of hydrogen-induced structural changes in Zr-based bulk metallic glasses using positron annihilation spectroscopy[J]. JOURNAL OF MATERIALS RESEARCH,2012,27(20):2587-2592.
APA Dong, FY.,Su, YQ.,Luo, LS.,Guo, JJ.,Fu, HZ.,...&王宝义.(2012).Characterization of hydrogen-induced structural changes in Zr-based bulk metallic glasses using positron annihilation spectroscopy.JOURNAL OF MATERIALS RESEARCH,27(20),2587-2592.
MLA Dong, FY,et al."Characterization of hydrogen-induced structural changes in Zr-based bulk metallic glasses using positron annihilation spectroscopy".JOURNAL OF MATERIALS RESEARCH 27.20(2012):2587-2592.
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