Journal
INTERMETALLICS
Volume 49, Issue -, Pages 149-153Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2014.01.002
Keywords
Composites; Glasses, metallic; Mechanical properties at ambient temperature; Microstructure
Categories
Funding
- Specialized Research Fund for the Doctoral Program of Higher Education of China [20093219110035]
- Introducing Talents Funds of Nanjing Institute of Technology [YKJ201307]
- Natural Science Foundation of Jiangsu Province, China [BK20130744]
- Fundamental Research Funds for the Central Universities [HEUCFZ1308, HEUCFT1306]
- NSFC [51171081, 51371062]
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Effects of oxygen on the glass formation of Zr41.2Ti13.8Cu12.5Ni10Be22.5 and Zr39.6Ti33.9Nb7.6Ni6.4Be12.5 alloys were studied. Our results indicated that oxygen is segregated in the precipitated Zr3NiO-type and beta-Zr crystals, respectively, making the glass matrices keep good glass formation. Interestingly, as compared with the oxygen-free sample, the Zr39.6Ti33.9Nb7.6Ni6.4Be12.5 added with 2000 ppm oxygen exhibits much higher yield stress with only a little ductility loses. This founding gives us a new clue to avoid the detriment of oxygen to the to the glass formation just by designing appropriate glass composites. (C) 2014 Elsevier Ltd. All rights reserved.
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