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Effects of Y on helium behavior in Ti-Y alloy films
J. C. Zhang; E. D. Wu; S. Liu
2014
Source PublicationJournal of Nuclear Materials
ISSN0022-3115
Volume454Issue:1-3Pages:119-125
AbstractHelium-containing pure Ti and Ti-Y alloy films synthesized by magnetron sputtering method were investigated using techniques of thermal desorption spectrometry (TDS), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and scanning electron microscopy (SEM). The relevant helium release behavior and microstructure changes were characterized. The mechanical properties of the films were also examined by nanoindentation. It was found that the helium bubbles in the alloy were inclined to be trapped at the interfaces between Y2O3 precipitates and Ti matrix, and there existed a segregation of Y on the surface of the films. Both factors could shift the related TDS peaks to higher temperatures. In addition, the detrimental helium influence on mechanical properties could be suppressed by dispersion of incoherent Y2O3 precipitates in the alloy films, which reduced the sizes of both helium bubbles and matrix grains, and acted as efficient trapping sites for helium bubbles. (C) 2014 Elsevier B.V. All rights reserved.
description.department[zhang, jinchao ; wu, erdong ; liu, shi] chinese acad sci, inst met res, mat special environm dept, shenyang 110016, peoples r china. ; liu, s (reprint author), chinese acad sci, inst met res, mat special environm dept, 72 wenhua rd, shenyang 110016, peoples r china. ; sliu@imr.ac.cn
KeywordIon-implanted Helium Base Alloys Growth Nucleation Metals Microstructure Irradiation Suppression Palladium Vanadium
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73494
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
J. C. Zhang,E. D. Wu,S. Liu. Effects of Y on helium behavior in Ti-Y alloy films[J]. Journal of Nuclear Materials,2014,454(1-3):119-125.
APA J. C. Zhang,E. D. Wu,&S. Liu.(2014).Effects of Y on helium behavior in Ti-Y alloy films.Journal of Nuclear Materials,454(1-3),119-125.
MLA J. C. Zhang,et al."Effects of Y on helium behavior in Ti-Y alloy films".Journal of Nuclear Materials 454.1-3(2014):119-125.
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