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Assessing environmental impact of magnesium production using Pidgeon process in China GAO Feng(高 峰), NIE Zuo-ren(聂祚仁), WANG Zhi-hong(王志宏), GONG Xian-zheng(龚先政), ZUO Tie-yong(左铁镛) College... comes to the next, while that of coke-oven gas is the lowest. Key words: magnesium production, Pidgeon process, life cycle assessment ......
Trans. Nonferrous Met. Soc. China 20(2010) s943-s947 Electro-pulse modification and reheating process for production of thixotropic microstructure in AlSi7Mg alloy TIAN Wen-tong(田文彤)1... of AlSi7Mg alloy is 720 °C, and the appropriate electro-pulse frequency and time are 5 Hz and 40 s, respectively. Then the microstructures produced by suitable EPM process were reheated at temperatures......
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. Development of a fully automated production process for the manufacture of steel parts by thixoforging[D]. Hannover: IFUM Uni-Hannover, 2008. [3] CEZARD P. Impact of thermal effects on the material... Trans. Nonferrous Met. Soc. China 20(2010) s937-s942 Stability of steel thixoforming process J. C. PIERRET, A. RASSILI, G. VANEETVELD, J. LECOMTE-BECKERS ThixoUnit ULg, Material......
Charge-discharge process of MnO2 supercapacitor LIU Kai-yu(刘开宇)1, 2, ZHANG Ying(张 莹)1, ZHANG Wei(张 伟)1, ZHENG He(郑 禾)1, SU Geng(苏 耿)1 1. School of Chemistry and Chemical Engineering... impedance. The charge-discharge process of MnO2 supercapacitor in 6 mol/L KOH was studied within 1.2 V at 200 mA/g, suggesting that it displays double-layer capacibility in low potential scope......
中国轧钢近年来的技术进步翁宇庆1,康永林2(1.北京市金属学会2.北京科技大学 材料学院 新金属材料国家重点实验室,北京 100083)摘 要:简要总结介绍了国内近年来轧钢技术进步的情况,其中包括:热轧宽带钢,宽厚板,大型冷连轧,三辊连轧管机组生产线的技术集成与开发,以及薄板坯连铸连轧生产线等轧钢装备现代化的发展;半无头轧制,薄规格轧制,100 m长尺钢轨轧制,新一代控制冷却技术等轧钢工艺技术的进步;轧制过程组织性能控制研究与应用,高性能高强度带钢,中厚板,冷轧带钢,长材及管材等生产技术与品种开发;钢坯无氧化,......
5000m3级高炉炉壳用钢的研发与生产王三忠1(1.河南省安阳市安阳钢铁集团公司第二炼轧厂)摘 要:从5000m3级高炉炉壳用钢研发与生产的角度进行了重点研究与分析,在现场试制过程中重点从成分设计,工艺路线选择,工序质量控制上进行了详细论证,通过采取精炼双联(LF+VD)工艺,严格地控制硫,磷,氮,氢及微合金化处理,最终成功试制出板坯低倍质量良好,各项工艺力学性能稳定的5 000m3级高炉炉壳用钢,此举为微合金钢的宽厚板生产奠定了一定的理论与实践基础.关键词:高炉炉壳用钢； 工艺； 生产； 微合金......
melting was dynamically described,including time dependent variations of bath temperature, slag quantity, compositions of steel, slag and off-gas, etc. Steelmaking process in a domestic 100 ton UHP AC EAF... process including scrap melting procedure and evaluate its energy and material consumption, the production efficiency, etc., which will provide assistance for the improvement of EAF operation and control......
钢铁流程结构及对CO2排放的影响张春霞1,上官方钦1,胡长庆2,齐渊洪1,殷瑞钰2(1.北京市钢铁研究总院先进钢铁流程及材料国家重点实验室2.河北理工大学 冶金与能源学院,河北唐山 063009)摘 要:温室气体排放引起的气候变暖已经成为全球性的重要命题.介绍了国内钢铁工业温室气体(主要是CO2)的排放情况,指出能源消耗是造成钢铁工业CO2排放的主要原因.在对比两类典型钢铁生产流程的CO2排放情况的基础上,深入分析了钢铁工业的能源结构及不同流程中原燃料来源结构对CO2排放的影响;最后对新一代钢铁制造流程的CO2......
the composite of nanomaterial and micronmaterial by adding micronmaterial during production of nanomaterial through sol-gel method, also introduces the technique and experiment''s process preparation...Preparation of Nano/Micron Composite Materials by Process Method GAN Ai-feng1,YAO Jun-min1,WEI Qi1,HU Chuan-xin1,Yuan1,JI1 (1.Department of Materials Sciences & Engineering,Beijing University......
