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Microstructural evolution during partial remelting of AM60B magnesium alloy refined by MgCO3 CHEN Ti-jun(陈体军), MA Ying(马 颖), WANG Rui-quan(王瑞全), LI Yuan-dong(李元东), HAO Yuan(郝 远) Key... by MgCO3 and its microstructural evolution was investigated during partial remelting. The results indicate that MgCO3 is an effective grain refiner for AM60B alloy and can decrease the grain size from......
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Numerical simulation of temperature distribution and heat transfer during solidification of titanium alloy ingots in vacuum arc remelting process YANG Zhi-jun(杨治军), ZHAO Xiao-hua(赵小花), KOU Hong...; accepted 13 June 2010 Abstract: In order to get a better understanding of the vacuum consumable arc remelting (VAR) processes and thus to optimize them, a 3D finite element model was developed......
RESEARCH AND DEVELOPMENT OF NEW SUPERALLOY REMELTING PROCES W.Xie1 (1.Baosteel Group Shanghai No.5 Steel Co., Ltd., Shanghai 200940, China) Abstract:Shanghai No.5 Steel Co., Ltd.has recently introduced a set of 5-ton protective atmosphere electroslag remelting furnace and a set of 10-ton helium-cooling vacuum arc remelting furnace,both of them are the first one of its kind in China.With......
NUMERICAL SIMULATION OF TEMPERATURE FIELDS IN ELECTROSLAG REMELTING SLAB INGOTS B.Z.Li1,L.Z.Chang1 (1.Department of Metallurgical Technology,Central Iron & Steel Research Institute,Beijing 100081,China) Abstract:The method based on transient heat transfer model is adopted to simulate electro-slag remelting process.The calculated results of the model show that the process is in the quasi-steady......
:Electroslag remelting(ESR) gives a combination of liquid metal refining and solidification structure control.One of the typical aspects of liquid metal..., the advances in desulfurization practices of ESR are reviewed.The effects of processing parameters, including the initial sulfur level of consumable electrode, remelting atmosphere, deoxidation schemes......
Solidification and remelting of Al through Al2O3 fibrous preform under centrifugal force HU Guo-xin(胡国新), LIU Jian-ju(刘建局), ZHANG Li-xiang(张利祥), TIAN Qin-wei(田芩蔚) School of Mechanical and Power Engineering, Shanghai Jiao Tong University, Shanghai 200240, China Received 28 July 2006; accepted 15 September 2006 Abstract: The solidification and remelting of molten aluminum through a porous......
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 Processing of Materials, Ministry of Education, Northeastern University,Shenyang 110004, China) Abstract:After the investigation on partial remelting of thixotropic magnesium serial alloys (ZK60) by near......
Laser Surface Remelting of Medium Ni-Cr Infinite Chilling Cast Iron Roll XIE Song-jing1,ZHANG Qun-li1,YAO Jian-hua1 (1.Zhejiang University of Technology, Hangzhou, China) 摘要:Laser surface remelting of medium Ni-Cr infinite chilling cast iron was performed with a continuous wave CO2 laser beam with the power of 7 KW under the argon shielding. The microstructural analysis of the laser remelted......
Effect of mold rotation on the bifilar electroslag remelting processXiao-fang Shi,Li-zhong Chang,Jian-jun WangSchool of Metallurgy Engineering,Anhui University of Technology摘 要:A novel electroslag furnace with a rotating mold was fabricated, and the effects of mold rotational speed on the electroslag remelting process were investigated. The results......