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PART: 作品数：1221被引量：905H指数：14; 导出分析报告; 相关领域：天文地球更多>>; 相关作者：刘春平宋文娟傅培舫周怀春方庆艳更多>>; 相关机构：邹平县第一实验小学华中科技大学清华大学宿迁市实验小学更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划国家高技术研究发展计划国防科技技术预先研究基金更多>>

Energy Dissipation and Apparent Viscosity of Semi-solid Metal during Rheological Processes PartⅡ:Apparent Viscosity被引量：1: 《Journal of Materials Science & Technology》2007年第6期801-805,共5页Wen LIU Shuming XING Peiwei BAO Milan ZHANG Liming XIAO; This study investigated the rheological properties of semi-solid metal. An analytical model of apparent viscosity was built up based on analysis of energy dissipation during rheological processes such as slurry prepar...; 关键词：Semi-solid metal Apparent viscosity Energy dissipation RHEOLOGY MODEL

Energy Dissipation and Apparent Viscosity of Semi-solid Metal during Rheological Processes PartⅠ: Energy Dissipation被引量：1: 《Journal of Materials Science & Technology》2007年第3期342-346,共5页Wen LIU Shuming XING Peiwei BAO Milan ZHANG Liming XIAO; The energy dissipation caused by the viscous force has great effects on the flow property of semi-solid metal during rheological processes such as slurry preparing, delivering and cavity filling. Experimental results ...; 关键词：Semi-solid metal Energy dissipation RHEOLOGY Apparent viscosity MODEL

Finite Element Analysis of Ceramic Coatings under Spherical Indentation with Metallic Interlayer: PartⅠUncracked Coatings: 《Journal of Materials Science & Technology》2006年第4期500-510,共11页Minh-Quy LE Seock-Sam KIM; Spherical indentation of ceramic coatings with metallic interlayer was performed by means of axisymmetric finite element analysis （FEA）. Two typical ceramic coatings with relatively high and low elastic modulus depo...; 关键词：Finite element analysis Ceramic coatings INDENTATION INTERLAYER

3D Rigid-Plastic Finite Element Analysis for Skew Rolling Process of the Stepped Part被引量：2: 《Journal of Materials Science & Technology》2003年第z1期38-40,共3页Gang FANG Pan ZENG; The research is supported by the National Natural Science Foundation of China ((No. 50205013 and No. 50175060). Special thanks are expressed to the Mr. Guoji Li from Science Forming Technology Corp. (SFTC) for his assistance and advice on the simulation work of.this paper.; Based on rigid-plastic finite element method, a skew rolling process of stepped part is simulated. Considering nodesaving and effective remeshing, the tetrahedron solid elements are used to discrete workpiece. The wor...; 关键词：FEM SKEW rolling Stepped part SPINNING part FRACTURE

Rheological Behavior for Polymer Melts and Concentrated Solutions——Part Ⅶ: A Quantitative Verification for the Molecular Theory of Non-linear Viscoelasticity with Entanglement Constraints in Polymer Melts被引量：2: 《Journal of Materials Science & Technology》2001年第3期375-382,共8页Mingshi SONG, Chen ZHANG and Guixian HU Research Institute of Polymeric Materials, Beijing University of Chemical Technology, Beijing 100029, China E-mail: wangzhchen@sina.com; The authors gratefully a.cknowledge financial supportfrom th6 Natiol-al Natural Science Foundatiol- of CI-h-a. The number of; Based on the molecular theory of non-linear viscoelasticity with constrained entanglements in polymer melts, the material functions in simple shear flow were formulated, the theoretical relations between. eta((gamma) ...; 关键词：Rheological Behavior for Polymer Melts and Concentrated Solutions A Quantitative Verification for the Molecular Theory of Non-linear Viscoelasticity with Entanglement Constraints in Polymer Melts PART

Phosphogypsum Utilization Part Ⅲ:as Adhesive Filler and Composite Materials: 《Journal of Materials Science & Technology》2000年第4期439-444,共6页A.A.Hanna, Y.M.Abu-Ayana and S.M.Ahmed (National Research Centre, Dokki, Cairo, Egypt); The aim of this work is to make use of phosphogypsum (PG) waste material, which is produced in phosphoric acid and phosphate fertilizer manufactures. A number of wood adhesive formulations based on polyvinyl acetate (...; 关键词：than PG PVAC Phosphogypsum Utilization Part

Effect of Crystallinity on Electrochemical Insertion/Extraction of Li in Transition Metal Oxides Part Ⅱ: TiO_2, V_2O_5 and MoO_3被引量：1: 《Journal of Materials Science & Technology》2000年第1期5-14,共10页Tomoki TSUMURA and Michio INAGAKI (Graduate School of Engineering, Hokkaido University Kita-ku, Sapporo, 060-8628, Japan); Electrochemical insertion/extraction of Li on cathode materials of anatase type TiO_2, quasilayered structure V_2O_5 and layered structure MoO_3 was measured on samples of which structures were well characterized and...; 关键词：LI Effect of Crystallinity on Electrochemical Insertion/Extraction of Li in Transition Metal Oxides PART V2O5 and MoO3

Electromagnetic Confinement and Shaping for Plate-Form Part被引量：2: 《Journal of Materials Science & Technology》2000年第1期27-32,共6页Jun SHEN, Jianguo LI and Hengzhi FU (State Key Laboratory of Solidification Processing, Northwestern Polytechnic University, Xi’an 710072, China) Junyi SU (Xi’an Jiaotong University,Xi’an 710049, China); National Natural Science Foundation! No. 59995440;National PostDoctor Science Foundation !([19971 11)of China; than 2.2, the electromagnetic pressure acting on melt can be simply expressed as Pm =B^2/wμ, and the melt shape would be known only by measuring the distribution of magnetic flux density. As a is small and makes the ...; 关键词：Electromagnetic Confinement and Shaping for Plate-Form Part FORM

Phosphogypsum Utilization Part Ⅱ: Preparation of Ammonium Sulphate被引量：1: 《Journal of Materials Science & Technology》1999年第6期571-574,共4页A.A.Hanna and S.M.Ahmed (Inorg. Chem. Dept., National Research Centre, Dokki, Cairo, Egypt); The aim of this work was to describe the conversion of raw phosphogypsum, issued from the manufacture of H3PO4 by dissolving the phosphate rock in H2SO4, into (NH4)2SO4 and CaCO3.The thermal analysis technique was us...; 关键词：NH Phosphogypsum Utilization Part Preparation of Ammonium Sulphate

Rheological Behavior of Polymer Melts and Concentrated SolutionsPart V: A New Molecular Theory of Non-linear Viscoelasticity for Polymeric Suspensions: 《Journal of Materials Science & Technology》1999年第2期169-177,共9页Song, MS Zhou, W Hu, GX Hu, LJ; A double-network model is established, which consists of the segments, E and A-constituent chains, the polymeric chains entangled with other ones by multi-entanglement and polymeric chains connected to a great number ...

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