SHORT-RANGE

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Ab initio molecular dynamics simulation of the atom packing and density of Al-Ni amorphous alloys被引量:3
《Science China(Technological Sciences)》2010年第12期3175-3182,共8页YU ChunYan1, HUI XiDong1, CHEN XiaoHua1, LIU XingJun1, LIN DeYe1, LIU ZiKui2 & CHEN GuoLiang1 1 State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China 2 Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA 16802, USA 
supported by the National Basic Research Program of China ("973" Program)(Grant No. 2007CB613901);the National Natural Science Foundation of China (Grant Nos. 50871013, 50901006)
Al-Ni alloys have better glass forming ability (GFA) than other Al-based alloys. However, the relationship among the atomic arrangement, glass transition, packing density and composition hasn’t been systematically st...
关键词:AIMD AL-NI alloys DENSITY SHORT-RANGE order chemical SHORT-RANGE order 
Chemical short-range order domain in bulk amorphous alloy and the prediction of glass forming ability被引量:1
《Science China(Technological Sciences)》2003年第6期581-592,共12页惠希东 姚可夫 寇宏超 陈国良 
This work was supported by the National Natural Science Foundation of China(Grant Nos.59871025 and 50171006);the Hi-tech Research and Development Program of China(Grant No.2001AA331010);the NationalMajor Basic Research Project of China(973)‘Scientific Foundation of Advanced Preparation,Forming and Processing for Materials’(Grant No.G2000 67201-3,);the Major Program of Science and Technology of Beijing(Grant No.H020420030320).
Short-range order domains of face central cubic Zr2Ni (F-Zr2Ni) and tetragonal Zr2Ni (T-Zr2Ni) type structure with a size about 1–3 nanometers were observed in bulk amorphous Zr52.5Cu17.9Ni14.6Al10Ti5 alloy by using ...
关键词:bulk metallic glasses  CHEMICAL SHORT-RANGE order domain  glass forming ability  THERMODYNAMIC model. 
Effect of the repeated melting of mother ingot on the stability of icosahedral phase precipitated from Zr-Al-Ni-Cu-Ag glass被引量:3
《Science China(Technological Sciences)》2003年第6期639-644,共6页闫志杰 李金富 王鸿华 何顺荣 周尧和 
This work was supported by the National Natural Science Foundation of China(Grant No.50071032).
Differential scanning calorimetry (DSC) shows that repeated melting of mother ingot improves the stability of icosahedral phase (I-phase) precipitated from Zr65Al7.5Ni10Cu12.5Ag5 glass. The Kissinger analysis of cryst...
关键词:metallic glass  ICOSAHEDRAL phase  decomposition  SHORT-RANGE order. 
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