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Glass formation and microstructure evolution in Al-Ni-RE (RE = La, Ce, Pr, Nd and misch metal) ternary systems
H. Yang; J. Q. Wang; Y. Li
2007
发表期刊Philosophical Magazine
ISSN1478-6435
卷号87期号:27页码:4211-4228
摘要Glass formation has been systematically studied in melt-spun Al-rich Al-Ni-RE (RE La, Ce, Pr, Nd and Mm; Mm = misch metal) alloys by navigating the compositions following the observation of microstructure evolution in the resulting ribbons. The optimum glass-forming regions are similarly located around Al85Ni10RE5 and found in the centre of the composites with primary phase alpha-Al, Al11RE3 and Al3Ni. The similarities in the critical cross-section below which a component is fully amorphous and the optimum compositions in these Al-Ni-RE systems are interpreted in terms of their competing crystalline phases and thermodynamic properties. Interestingly, it is indicated that Ni content is markedly higher than RE content in the best glass-forming alloys, which may be associated with strong interaction between Ni-Al atom pairs and the dense packing due to Ni-centred clusters.
部门归属chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china. natl univ singapore, fac engn, dept mat sci & engn, singapore 117576, singapore.;wang, jq (reprint author), chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china;jqwang@imr.ac.cn mseliy@nus.edu.sg
关键词Supercooled Liquid Region Amorphous-alloys Atomic-structure Mechanical-properties Stability Crystallization Aluminum Al90fexce10-x
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WOS记录号WOS:000248861200010
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被引频次:32[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/33968
专题中国科学院金属研究所
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H. Yang,J. Q. Wang,Y. Li. Glass formation and microstructure evolution in Al-Ni-RE (RE = La, Ce, Pr, Nd and misch metal) ternary systems[J]. Philosophical Magazine,2007,87(27):4211-4228.
APA H. Yang,J. Q. Wang,&Y. Li.(2007).Glass formation and microstructure evolution in Al-Ni-RE (RE = La, Ce, Pr, Nd and misch metal) ternary systems.Philosophical Magazine,87(27),4211-4228.
MLA H. Yang,et al."Glass formation and microstructure evolution in Al-Ni-RE (RE = La, Ce, Pr, Nd and misch metal) ternary systems".Philosophical Magazine 87.27(2007):4211-4228.
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