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On Niobium Reduction in Blast Furnace董一诚,杨天钧,孟涛,王振峰摘 要:<正> The Baotou Iron Ore of China contains very high niobium. This paper reported the results through laboratory and practical experiments on niobium enrichment in blast furnace. The effect of temperature, constituents of slag and silicon content in hot metal on niobium recovery was studied......
of ferromagnetic metal fine fibers by organic gel-thermal reduction process CAO Kai(曹 凯), SHEN Xiang-qian(沈湘黔), JING Mao-xiang(景茂祥), ZHOU Jian-xin(周建新) (School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China) Abstract: The organic gel-thermal reduction process was used for the preparation of ferromagnetic metal Ni, Co and Fe fine fibers from the raw materials......
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New Steel Making Process through Reduction and Sintering of Cementite Powder N.OUCHIDA1,T.TSUCHIYAMA1,K.NAKASHIMA1,S.TAKAKI1,M.EGASHIRA2 (1.Department of Materials Science and Engineering, Kyushu University;2.Sumitomo Metal Industries, Ltd) 摘要:A new steel making process through reduction and sintering treatment of cementite powder was proposed, and microstructure of the material obtained......
PREPARATION OF IRON CARBIDE FROM MAGNETITE PELLETS BY CO-H2 MIXTURES REDUCTION J.P.Jiang1,D.Q.Cang1,H.W.Ni2 (1.School of Metallurgy,University of Science and Technology Beijing,Beijing 100083,China... can be divided into two stages: reduction ofmagnetite pellets and carburization of reduction product.The carbon deposition has agreat influence on formation of iron carbide.In order to get a high......
钢种和断面对连铸板坯轻压下效率的影响林启勇1,朱苗勇2(1.重庆市中冶赛迪工程技术股份有限公司自动化事业部2.东北大学 材料与冶金学院,辽宁沈阳 110004)摘 要:结合轻压下效率的理论计算式,考察了板坯断面,钢种对连铸板坯轻压下效率的影响规律.结果表明:压下效率与板坯宽度,厚度呈线性增加关系,板坯宽度每增加15%,压下效率增加约4%;板坯厚度增加15%,压下效率增加约32%;钢种的两相区温度宽度越小,压下效率越高;板坯宽度与钢种对压下效率的影响较小,板坯厚度对压下效率的影响大.关键词:连铸板坯......
Trans. Nonferrous Met. Soc. China 22(2012) 117-123 Preparation of Cu nanoparticles with NaBH4 by aqueous reduction method LIU Qing-ming1, 2, ZHOU De-bi1, 2, Yuya YAMAMOTO2, Ryoichi ICHINO2, Masazumi... at different time points. Key words: Cu nanoparticles; aqueous reduction method; precursor; reaction process 1 Introduction In recent years, the preparation of Cu nanoparticles has become an intensive area......
Gas-based reduction of vanadium titano-magnetite concentrate: behavior and mechanismsYu-lei Sui,Yu-feng Guo,Tao Jiang,Xiao-lin Xie,Shuai Wang,Fu-qiang ZhengSchool of Minerals Processing and Bioengineering, Central South University摘 要:The reduction of vanadium titano-magnetite pellets by H2–CO at temperatures from 850 to 1050°C was investigated......
Reduction characteristics of molybdenum trioxide with aluminum and siliconHang-Yu Zhu1,Rong Gao2,Wu-Tao Jin2,Long-Wu Qiu2,Zheng-Liang Xue11. State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology2. School of Materials and Metallurgy,Wuhan University of Science and Technology摘 要:Thermodynamics for reduction......
of La4MgNi19 phase. Key words: hydrogen storage alloy; A5B19 type; crystal structure; electro chemical property; La-Mg-Ni system Foundation item: Project (50901036) supported by the National Natural......
