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REHEATING TEMPERATURE CONTRAST AND MICROSTRUCTURES OF 7075 A1 ALLOY CAST BY LIQUIDUS SEMI-CONTINUOUS CASTING G.M.Lu1,J.Dong1,J.Z.Cui1 (1.The Key Lab. of Electromagnetic Processing of Material, Ministry of Education, Northeastern University,Shenyang 110004, China) Abstract:In this study, reheating of liquidus semi-continuous east billets of 7075 Al alloy wascarried out in a resistance furnace......
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Partial Remelting of Thixotropic Magnesium-Rare Earth Alloy from Near Non- Equilibrium- Liquidus Casting Cui Jianzhong1,Le Qichi1,Xu Baoqin1,Wang Zhongjun1 (1.Key Laboratory of Electromagnetic... non-equilibrium liquidus casting (NNLC), the primary solid grains of ZK60-2Ca alloy spheroidized notably during partial remelting processing, however, coarsening and polygonization as occurred......
technique (SHTT) and high temperature equilibrium technique were combined to investigate the phase diagram of the CaO-SiO2-5%MgO-20%Al2O3-TiO2 system. The 1300 °C to 1500 °C liquidus lines...% or 25%. Fig. 2 Relation between pseudo-melting temperature T and w(CaO)/w(SiO2) for 10% TiO2 3.2 Construction of liquidus lines The gradient change in different areas could be explained......
and liquidus temperature in the PbO-ZnO-CaO-SiO2-"Fe2O3" system, with the mass ratios of CaO/SiO2=1-1.6 and Fe/SiO2= 1.3-1.7, and 40% PbO and 8% ZnO, were carried out between 1273 and 1573 K. Slags were... by increasing CaO/SiO2 mass ratio and decreasing Fe/SiO2 mass ratio. Key words: lead slags; phase equilibria; liquidus temperature 1 Introduction The primary production of lead and zinc metal......
of NdF3. The value of activity coefficient of NdF3 is higher than 1, and that of LiF is lower than 1. Key words: structural entities; NdF3-LiF melts; cryoscopic method; liquidus temperature 1... in equilibrium with its pure solid state; is the standard molar enthalpy of the solvent in J/mol; R is the universal gas constant, 8.314 mol/K; T is the liquidus temperature of the molten......
Determination of the liquidus and solidus temperatures of FeCrAl stainless steelZhi-biao Han,Jian-hua Liu,Yang He,Kang-wei Li,Yi-long Ji,Jian LiuResearch Institute of Metallurgy Engineering, University of Science and Technology Beijing摘 要:The liquidus and solidus temperatures of Fe Cr Al stainless steel were determined by differential scanning......
Al2O3在Na3AlF6-K3AlF6-AlF3熔体中的溶解度降低0.23%~0.55%. 关键词:Al2O3;LiF;Na3AlF6-K3AlF6-AlF3熔体;初晶温度;溶解度 中图分类号:TF821 文献标志码:A Effect of LiF on liquidus temperature and solubility of Al2O3... by cooling curve, and the solubilities of Al2O3 in Na3AlF6-K3AlF6-AlF3-LiF melts were determined by the mass loss of rotating sintered corundum disc. The results show that the liquidus temperature......
EVOLUTION OF AS-CAST MICROSTRUCTURES OF 356 ALUMINIUM ALLOY CAST BY LIQUIDUS CASTING G.M.Lu1,J.Dong1,Z.H.Zhao1,J.Z.Cui1 (1.The Key Lab of Electromagnetic Processing of Materials, Ministry of Education, Northeastern University,Shenyang 110004, China) Abstract:A new method (liquidus casting) was used for 356 Al alloy semi-solid slurry mak-ing. The structures of 356 Al alloy cast by a Fe mould......
combined with differential thermal analysis(DTA) to determine the metastable liquidus miscibility gap for a Fe–Cu binary system and(ii) the high-temperature melting method combined with isothermal treatment...Investigation of the stable and the metastable liquidus miscibility gaps in Fe–Sn and Fe–Cu binary systemsJiang-tao Gao,Chang-rong Li,Cui-ping Guo,Zhen-min DuSchool of Materials Science......