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Study on Characteristics of Crystal Growth of NdFeB Cast Alloys 王东玲1,刘涛1,李波1,喻晓军1,郭炳麟1 (1.Advanced Technology and Materials Co. Ltd.,Functional Materials Division,Central Iron & Steel Research Institute,Beijing 100081,China) Abstract:The characteristic of crystal growth of NdFeB cast alloys was studied.It is found that the crystal growth orientation of conventional ingots is along......
A mathematical model for electrochemical chloride removal from marine cast iron artifacts Weizhen OUYANG1,Ning WANG2,Xia CAO2 (1.Guilin Air Force Academy,Guilin 541003,China;2.Beijing University... ions was developed by consideration of diffusion and migration of chloride ions when a constant DC current density was applied through the marine cast iron artifacts. The corresponding tests were......
SPHERICAL MICROSTRUCTURE FORMATION OF THE SEMI-SOLID HIGH CHROMIUM CAST IRON Cr20Mo2 W.M.Mao1,X.Y.Zhong1,A.M.Zhao1 (1.University of Science & Technology Beijing, Beijing 100083, China) Abstract:The nondendritic semi-solid slurry preparation of high chromium cast iron Cr20Mo2 has been studied in this paper. The experiments show that the proeutectic austenitic particles are more spherical under......
Article ID: 1003-6326(2005)02-0270-05 Influence of fabricating process on microstructure and properties of spheroidal cast tungsten carbide powder DAI Yu(戴 煜)1, 2, TAN Xing-long(谭兴龙)1, LI Yu... Ltd, Changsha 410083, China) Abstract: A super-high temperature furnace was developed to fabricate spheroidal cast tungsten carbide powder with excellent flowability and fine feathery structure......
Research on Thermal Wear of Cast Hot Forging Die Steel Modified by Rare Earths Chen Kangmin1,Wang Shuqi1,Jiang Qichuan2,Cui Xianghong2 (1.School of Materials Science & Engineering, Jiangsu University, Zhenjiang 212013, China;2.School of Materials Science & Engineering, Jilin University, Changchun 130022, China) Abstract:Thermal wear of cast hot-forging die steel modified by rare earths(RE......
Mechanical characteristics of fused cast basalt tube encased in steel pipe for protecting steel surface Jee-Seok WANG1, Jong-Do KIM2, Hee-Jong YOON3 1. Division of Mechanical...; Abstract: Because of the various excellent characteristics of cast......
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......
Strength distribution at interface of rotary-friction-welded aluminum to nodular cast iron SONG Yu-lai(宋雨来), LIU Yao-hui(刘耀辉), ZHU Xian-yong(朱先勇), YU Si-rong(于思荣), ZHANG Ying-bo(张英波) Key... and composition of intermetallic compound at the interface of Al 1050 and nodular cast iron were studied by electron microprobe analysis(EMPA) and scan electron microscopy (SEM), respectively......
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Influence of Solidification Rate on Microstructures of Cast Strips and Corresponding Sintered NdFeB Magnets Yu Dunbo1,Yan Shihong1,Li Zongan1,Li Shipeng1,Xu Jing1,Li Hongwei1 (1.National... rate on the microstructures of cast strips and corresponding sintered NdFeB magnets were investigated. The experimental results show that the volume fraction and size of columnar grains vary......
