Characterization of hydrogen-induced structural changes in Zr-based bulk metallic glasses using positron annihilation spectroscopy

	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)
刊名	JOURNAL OF MATERIALS RESEARCH
	2012
卷号	27 期号:20 页码:2587-2592
英文摘要	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.
学科主题	Materials Science
收录类别	SCI
WOS记录号	WOS:000309728300002
公开日期	2016-05-03
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/224207]
专题	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	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.