云南高校图书馆联盟文献共享服务平台- 国家自然科学基金(s50121101)

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Rapid solidification of Al-Cu-Ag ternary alloy under the free fall condition: 《Science China(Physics,Mechanics & Astronomy)》2009年第6期848-855,共8页DAI FuPing WEI BingBo; Supported by the National Natural Science Foundation of China (Grant Nos.50121101 and 50395105); The rapid solidification of Al-30%Cu-18%Ag ternary alloy is investigated by using the free fall method. Its solidified microstructure is composed of θ(Al2Cu), α(Al) and ξ(Ag2Al) phases. The liquidus temperature and...; 关键词：Al-Cu-Ag free FALL NUCLEATION TERNARY EUTECTIC rapid solidification high UNDERCOOLING

Dendrite growth characteristics within liquid Fe-Sb alloy: 《Science China(Physics,Mechanics & Astronomy)》2009年第5期720-728,共9页WANG WeiLi LüYongJun QIN HaiYan WEI BingBo; Supported by the National Natural Science Foundation of China (Grant Nos. 50121101 and 50395105); Bulk samples and small droplets of liquid Fe-10%Sb alloys are undercooled up to 429 K (0.24TL) and 568 K (0.32TL), respectively, with glass fluxing and free fall techniques. The high undercooling does not change the p...; 关键词：LIQUID PHYSICS DENDRITE growth SOLUTE distribution segregationless SOLIDIFICATION

Core-shell microstructure formed in the ternary Fe-Co-Cu peritectic alloy droplet被引量：1: 《Chinese Science Bulletin》2009年第8期1287-1294,共8页DAI FuPing WEI BingBo; Supported by the National Natural Science Foundation of China (Grant Nos.50121101,50395105);NPU Youth Scientific and Technological Innovation Foundation (Grant No.W016223); The metastable liquid phase separation occurs in the ternary Cu50Fe37.5Co12.5 peritectic alloy droplets during free fall. The separated alloy melt rapidly solidifies and evolves core-shell microstructure composed of L...; 关键词：合金液滴微结构核壳三元 FE 沉积 Co 包晶

Rapid solidification of undercooled Al-Cu-Si eutectic alloys被引量：3: 《Chinese Science Bulletin》2009年第1期53-58,共6页RUAN Yina WEI BinaBo; Supported by the National Natural Science Foundation of China (Grant Nos.50121101,50395105);the Doctorate Foundation of Northwestern Polytechnical University (Grant No.CX200419); Under the conventional solidification condition,a liquid aluminium alloy can be hardly undercooled because of oxidation. In this work,rapid solidification of an undercooled liquid Al80.4Cu13.6Si6 ternary eutectic allo...; 关键词：液体物理学三重共晶过冷现象晶体成核

Phase field simulation of monotectic transformation for liquid Ni-Cu-Pb alloys: 《Chinese Science Bulletin》2009年第2期183-188,共6页LUO BingChi WANG HaiPeng WEI BingBo; Supported by the National Natural Science Foundation of China (Grant Nos. 50121101, 50395105); Based on the subregular solution model, the liquid phase separation of ternary (NixCu100-x)50Pb50 monotectic alloys is simulated by the phase field method. It is found that if the surface segregation potential is not ...; 关键词：Ni-Cu-Pb合金偏晶合金合金微结构微观相场法

Heat and mass transfer characteristics during rapid solidification of Fe-Cu peritectic alloys: 《Science China(Physics,Mechanics & Astronomy)》2008年第5期459-469,共11页XU JinFeng DAI FuPing WEI BingBo; the National Natural Science Foundation of China(Grant Nos.50121101 and 50395105); The viscose flow and microstructure formation of Fe-Cu peritectic alloy melts are investigated by analyzing the velocity and temperature fields during rapid solidifi-cation,which is verified by rapid quenching experim...; 关键词：PERITECTIC alloy liquid phase separation fluid flow heat TRANSFER RAPID SOLIDIFICATION

Formation of ■ phase in Cu-Ge peritectic alloys被引量：4: 《Chinese Science Bulletin》2007年第19期2630-2635,共6页RUAN Ying DAI FuPing WEI BingBo; the National Natural Science Foundation of China (Grant Nos. 50121101 and 50395105);the Doctorate Foundation of Northwestern Polytech-nical University (Grant No. CX200419); Rapid growth behavior of ■ phase has been investigated in the undercooling experiments of Cu-14%Ge, Cu-15%Ge, Cu-18.5%Ge and Cu-22%Ge alloys. Alloys of the four compositions obtain the maximum undercoolings of 202 K(...; 关键词：多组分胶包晶化学实验

Dendritic and eutectic growth in Sb_(60)Ag_(20)Cu_(20) ternary alloy被引量：3: 《Science China(Physics,Mechanics & Astronomy)》2007年第5期563-571,共9页RUAN Ying WEI BingBo; Supported by the National Natural Science Foundation of China (Grant Nos. 50121101 and 50395105) ;the Doctorate Foundation of North-western Polytechnical University of China (Grant No. CX200419); The rapid solidification of Sb60Ag20Cu20 ternary alloy was realized by high under- cooling method, and the maximum undercooling is up to 142 K (0.18TL). Within the wide undercooling range of 40-142 K, the solidified m...; 关键词：high undercooling TERNARY eutectic crystal nucleation DENDRITE growth

Specific heat and related thermophysical properties of liquid Fe-Cu-Mo alloy: 《Science China(Physics,Mechanics & Astronomy)》2007年第4期397-406,共10页WANG HaiPeng LUO BingChi CHANG Jian WEI BingBo; the National Natural Science Foundation of China (Grant Nos. 50121101 and 50395105);the Doctorate Foundation of North-western Polytechnical University (Grant No. CX200420); The specific heat and related thermophysical properties of liquid Fe77.5Cu13Mo9.5 monotectic alloy were investigated by an electromagnetic levitation drop calo-rimeter over a wide temperature range from 1482 to 1818 K...; 关键词：high UNDERCOOLING specific heat monotectic alloy thermophysical PROPERTY RAPID SOLIDIFICATION

Formation mechanism of primary phases and eutectic structures within undercooled Pb-Sb-Sn ternary alloys被引量：2: 《Science China(Physics,Mechanics & Astronomy)》2007年第4期472-490,共19页WANG WeiLi DAI FuPing WEI BingBo; the National Natural Science Foundation of China (Grant Nos. 50121101 and 50395105); The solidification characteristics of three types of Pb-Sb-Sn ternary alloys with different primary phases were studied under substantial undercooling conditions. The experimental results show that primary (Pb) and Sb...; 关键词：UNDERCOOLING DENDRITIC GROWTH EUTECTIC GROWTH ternary EUTECTIC SOLUTE trapping

国家自然科学基金(s50121101)