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(50395103)

国家自然科学基金(50395103): 作品数：17被引量：26H指数：3; 导出分析报告; 相关作者：杨根仓周尧和陈豫增刘宁杨长林更多>>; 相关机构：西北工业大学南京工业大学更多>>; 相关期刊：《稀有金属》《铸造》《自然科学进展》《Science China(Physics,Mechanics & Astronomy)》更多>>; 相关主题：UNDERCOOLED深过冷UNDERCOOLINGRAPID_SOLIDIFICATION过冷度更多>>; 相关领域：金属学及工艺一般工业技术理学自动化与计算机技术更多>>

Solute trapping model based on solute drag treatment: 《Transactions of Nonferrous Metals Society of China》2010年第5期877-881,共5页王海丰刘峰陈正杨伟; Projects(50501020, 50395103, 50431030) supported by the National Natural Science Foundation of China; Project(NCET-05-870) supported by Program for New Century Excellent Talents in University of China; Project(CX200706) supported by the Doctorate Foundation of Northwestern Polytechnical University,China; A solute trapping model is developed based on a so-called solute drag treatment.By adopting a basic approach of phase-field models,and defining the free energy density in the interfacial region,a suitable interface sh...; 关键词：solute trapping solute drag diffusive interface

Effect of nonlinear liquidus and solidus on dendrite growth in bulk undercooled melts被引量：1: 《Transactions of Nonferrous Metals Society of China》2010年第3期490-494,共5页陈正王海丰刘峰杨伟; Projects(50501020, 50395103, 50431030) supported by the National Natural Science Foundation of China;Project(NCET-05-870) supported by Program for New Century Excellent Talents in Chinese University;Project(CX200706) supported by the Doctorate Foundation of Northwestern Polytechnical University,China; On the base of nonlinear liquidus and solidus,an extended model for dendrite growth in bulk undercooled melts was developed under local non-equilibrium conditions both at the interface and in the bulk liquid.In terms ...; 关键词：dendrite growth undercooled melts Ni-based alloys

Phase selection during solidification of undercooled Ni_(70.2)Si_(29.8) eutectic alloy被引量：4: 《Progress in Natural Science:Materials International》2009年第11期1619-1624,共6页Yiping Lu Tingju Li Fu Yabo Sun Jianbo LUO Dawei Gencang Yang Yaohe Zhou; supported by the National Natural Science Foundation of China(Grant No.50395103); High undercooling （about 392 K） was achieved in the bulk eutectic Ni70.2Si29.8 alloy melt through glass fluxing combined with cyclic superheating. It is found that the metastable phases Ni3Si2 and NiSi are obtained ...; 关键词：UNDERCOOLING Eutectic alloy Metastable phase NUCLEATION

Entropy as a selection rule for crystal growth in undercooled binary eutectic melts被引量：2: 《Chinese Science Bulletin》2009年第6期1012-1018,共7页LU YiPing XI ZengZhe YANG GenCang LIN Xin ZHOU YaoHe; Supported by the National Natural Science Foundation of China (Grant No. 50395103);Doctorate Foundation of Northwestern Polytechnical University (Grant No. CX200506); A solution entropy model was developed for the undercooled binary eutectic alloy systems. As an ex-tension of Taylor and Fidler et al.'s model, the present model considered the change of phase compo-sition with the in...; 关键词：熵模型共晶相二元晶体生长选择规则熔体相互作用参数正规溶液模型

Amorphous Formation in an Undercooled Binary Ni-Si Alloy under Slow Cooling Rate被引量：1: 《Journal of Materials Science & Technology》2009年第3期370-372,共3页Yiping Lu Gencang Yang Xiong Li Yaohe Zhou; supported financially by the National Natural Science Foundation of China (No. 50395103);the Doctorate Foundation of North western Poly technical University (CX200506); High undercooling up to 392 K was achieved in eutectic Ni70.2Si29.8 alloy melt by using glass fluxing combined with cyclic superheating. A small quantity of amorphous phase was obtained in bulk eutectic Ni70.2Si29.8 a...; 关键词：Eutectic alloy Amorphous phase Rapid solidification

Application of an analytical phase transformation model: 《International Journal of Minerals,Metallurgy and Materials》2007年第S1期54-58,共5页Feng Liu, Changlin Yang, Wei Yang, Gencang Yang, and Yaohe Zhou State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an 710072, China; The work was financially supported by the National Natural Science Foundation of China (No.50501020 and 50395103);the Fun-damental Research Project of National Defense of China (No.A2720060295);the Scientific Research Foundation for the Returned Overseas Chinese Scholars, the Ministry of Education of China (No.N6CJ0002);the New Century Excellent Person Supporting Project (No.NCET-05-870).]; An analytical phase transformation model has been used to study the kinetics of crystallization of amorphous alloys sub- jected to either isothermal or isochronal anneals. The model has been applied to Mg82.3Cu17.7 an...; 关键词：phase transformation metallic glass heat treatment crystal growth CALORIMETRY

非平衡凝固Fe-Ni包晶合金的δ/γ相变被引量：2: 《中国科学（G辑）》2007年第3期294-302,共9页陈豫增刘峰杨根仓刘宁周尧和; 国家自然科学基金(批准号:50395103;50501020;50431030);西北工业大学博士论文创新基金(批准号:CX200604)资助项目; 以包晶点合金Fe-4.33%Ni(原子分数)为研究对象,详细描述了不同熔体初始过冷度(?T)下合金的快速凝固过程以及凝固组织的δ/γ相变过程.以此为基础,结合相变动力学TTT(temperature-time-transformation)曲线,系统探讨了?T同过冷Fe-Ni包晶...; 关键词：δ/γ相变过冷度非平衡凝固包晶反应 FE-NI合金

δ/γtransformation in non-equilibrium solidified peritectic Fe-Ni alloy被引量：3: 《Science China(Physics,Mechanics & Astronomy)》2007年第4期421-431,共11页CHEN YuZeng LIU Feng YANG GenCang LIU Ning ZHOU YaoHe; the National Natural Science Foundation of China (Grant Nos. 50395103,50501020 and 50431030);the Fundamental Research Project of National Defense of China (Grant No. A2720060295);the New Century Excellent Person Supporting Project (Grant No. NCET-05-870);the Doctorate Foundation of Northwestern Polytechnical University (Grant No. CX200604);the Scientific and Technological Creative Foundation of Youth in Northwestern Polytechnical University,the Scientific Research Foundation for the Returned Overseas Chinese Scholars,Ministry of Education of China (Grant No. N6CJ0002); the Natural Science Foundation of Shaanxi Province,China (Grant No. 2004E108); Through phase transformation kinetic analysis and experimental observation,the δ/γtransformation occurring in the non-equilibrium peritectic Fe-4.33at.%Ni alloys was systematically investigated.According to JMA soli...; 关键词：δ/γ TRANSFORMATION UNDERCOOLING NON-EQUILIBRIUM solidification PERITECTIC reaction FE-NI alloy

Application of an analytical phase transformation model: 《中国有色金属学会会刊：英文版》2006年第A02期46-52,共7页刘峰王海丰杨长林陈正杨伟杨根仓; Projects（50501020, 50395103） supported by the National Natural Science Foundation of China; Project（NCET-05-0870） supported by the New Century Excellent Person of China; Project supported by the Creative Foundation of Science and Technology of Youth in Northwestern Polytechnical University, ChinaAcknowledgement The authors are grateful to Professor MITTEMEIJER and Professor S0MMER for indispensable instruction and cooperation and to Dipl.-Ing. H. NITSCHE in Max-Planck-Institute for Metals Research for support with the numerical calculations.; 关键词：解析相变模型非晶态金属热处理晶体生长成核

Phase-selection and metastable phase formation in highly undercooled eutectic Ni_(78.6)Si_(21.4)alloys被引量：3: 《Progress in Natural Science:Materials International》2006年第3期287-291,共5页LU Yiping YANG Gencang YANG Changlin WANG Haipeng ZHOU Yaohe; Supported by National Natural Science Foundation of China (Grant No. 50395103)the Doctorate Foundation of Northwestern Polytechnical University; A large undercooling （250 K） was achieved in eutectic Ni78.6Si21.4 melt by the combination of molten-glass denucleation and cyclic superheating. The metastable phase formation process in the bulk undercooled eutecti...; 关键词：UNDERCOOLING molten-glass metastable phase rapid solidification

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