Glass formation of Ti-Ni-Sn ternary alloys correlated with TiNi-Ti3Sn pseudo binary eutectics
Lu, Bao-chen; Xu, Jian
Corresponding AuthorXu, Jian(
AbstractGlass-forming ability (GFA) of Ti-Ni-Sn ternary alloys was investigated. Applying recent models based oil atomic size ratio and efficient packing, the composition favoring the glass formation is predicted. Our experiments indicate that the optimized glass-forming composition is located at Ti56Ni38Sn6, with the critical thickness of complete glass formation approaching 100 mu m for the melt-spun ribbons. The Ti56Ni38Sn6 metallic glass exhibits a sizable supercooled liquid region (Delta T-x) of about 35 K and a reduced glass transition temperature (T-rg) of 0.52. We demonstrate that the glass formation of the Ti56Ni38Sn6 alloy correlates with the (L -> TiNi + Ti3Sn) Pseudo binary eutectic reaction in Ti-Ni-Sn ternary system, which has an invariant temperature and composition at similar to 1370 K and similar to Ti58Ni34Sn8, respectively. With respect to Sn-free Ti-Ni binary alloys, the GFA is enhanced for the Ti-Ni-Sn ternary alloys, but the improvement is limited possibly due to changes in the crystalline phases competing with glass formation. (C) 2008 Elsevier B.V. All rights reserved.
KeywordAlloys Scanning electron microscopy Calorimetry Glass transition X-ray diffraction
Funding OrganizationNational Natural Science Foundation of China ; National Basic Research Program of China
Indexed BySCI
Funding ProjectNational Natural Science Foundation of China[50371084] ; National Basic Research Program of China[2007CB613906]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics ; Materials Science, Multidisciplinary
WOS IDWOS:000261710700013
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Cited Times:19[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorXu, Jian
AffiliationChinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Lu, Bao-chen,Xu, Jian. Glass formation of Ti-Ni-Sn ternary alloys correlated with TiNi-Ti3Sn pseudo binary eutectics[J]. JOURNAL OF NON-CRYSTALLINE SOLIDS,2008,354(52-54):5425-5431.
APA Lu, Bao-chen,&Xu, Jian.(2008).Glass formation of Ti-Ni-Sn ternary alloys correlated with TiNi-Ti3Sn pseudo binary eutectics.JOURNAL OF NON-CRYSTALLINE SOLIDS,354(52-54),5425-5431.
MLA Lu, Bao-chen,et al."Glass formation of Ti-Ni-Sn ternary alloys correlated with TiNi-Ti3Sn pseudo binary eutectics".JOURNAL OF NON-CRYSTALLINE SOLIDS 354.52-54(2008):5425-5431.
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