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,发泡效果越好；预制体制备方式和加热速度对PCM法制备泡沫铝的发泡效果和行为有显著影响,其中采用挤压法制备的预制体性能最好. 关键词:泡沫铝；PCM法；前驱体；发泡行为 中图分类号:Tb 383 文献标识码:A Effects of PCM methods on foaming behavior of Al-TiH2.... School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China) Abstract: The foaming behavior of Al-TiH2 precursor made by different compaction methods of cold......
. 关键词: 泡沫铝; 发泡剂; 热分解行为; 无泡层; 孔隙率 中图分类号: TG146.2 文献标识码: A Preparation of aluminum foam using novel foaming agent ZHOU Xiang-yang, LIU Xi-quan, LI Jie, LIU Hong-zhuan (School of Metallurgical Science and Engineering, Central South University,Changsha 410083, China) Abstract: The thermal decomposition behavior of a novel foaming agent substituting for TiH2 and ZrH2 during the preparation......
Microstructure and Electrical Conductivity of CNTs/PMMA Nanocomposite Foams Foaming by Supercritical Carbon Dioxide袁欢1,熊远禄1,罗国强1,LI Meijuan2,SHEN Qiang1,ZHANG Lianmeng11. State Key Laboratory... μm when the foaming temperature ranged from 50 ℃ to 95 ℃.With smallcellsize(1.9-4.0 μm),the conductivities of the foams were 3.34×10-6-4.16×10-6 S/cm compared with the solid matrix since......
LATS refining ladle slag modifying with CaO-CaF2Hongming Wang1,2), Guirong Li1), Zhongming Ren3), Bo Li3), Xuejun Zhang3), and Guomin Shi3) 1) School of Materials Science and Engineering, Jiangsu...:To reduce the slag sticking onto the snorkel of the ladle during the ladle alloying treatment station (LATS) process, CaO-CaF2 (the mass ratio of CaO/CaF2......
PERFORMANCE OF PULVERIZED SLAG SUBSTITUTED CEMENTWAN Huiwen ZHANG Qiang FU Huangpu YU Changlin Wuhan University of Technology "Wuhan Iron and Steel Company摘 要:<正> The Portland cement is equivalently substituted by slag micropowders with various specific areas. The workability, activity and acid-corrosion resistance of the slag-substituted cements......
Removal of boron from metallurgical grade silicon by electromagnetic induction slag melting LUO Da-wei1, LIU Ning1, LU Yi-ping1, ZHANG Guo-liang1, LI Ting-ju1, 2 1. School of Materials Science...) by electromagnetic induction slag melting (EISM). Vacuum melting furnace was used to purify boron in different slag systems. The results show that the removal effect in SiO2-CaO-Al2O3 systems is better than......
转炉冶炼工艺过程中炉渣的岩相研究李建新1,郝旭东1,韩秀丽2,刘丽娜2,仇圣桃0,赵沛2(1.北京市钢铁研究总院连铸中心2.河北理工大学 资源与环境学院,河北唐山 063009)摘 要:不同转炉冶炼工艺对转炉渣的稳定性有较大影响,运用岩相检验的方法分析了不同转炉冶炼工艺和调整脱磷剂成分后转炉渣的岩相结构.通过比较常规工艺与新工艺的岩相结构,发现采用新工艺冶炼,岩相分布更加均匀,而且使用新型脱磷剂后高熔点相减少.转炉渣岩相分析结果为合理改进转炉冶炼工艺和改善转炉渣成分提供了科学依据.关键词:转炉炼钢......
Equilibrium between Slag and Molten Iron in the Direct Alloying of Steel with Nb2O5-Bearing Slag陈伟庆,周荣章,林宗彩摘 要:<正> Equilibrium between slag and molten iron at 1600℃ was investigated for the direct alloying of steel with Nb2O6-bearing slag. The activity of niobium oxide in the slag was measured. The αNb2O5 is in the range of 10-2-10-4. TheδNb2O5......
Properties of Steel Slag and Stainless Steel Slag as Cement Replacement Materials: A Comparative StudySALY Fathy1,GUO Liping1,2,3,MA Rui1,GU Chunping4,SUN Wei1,2,31. School of Material Science... types of steel slag; basicoxygen-furnace carbon slag(BOF C) and electric-arc-furnace stainless steel slag(EAF S). Moreover, we studied the standard consistency, setting time and the effect of the slag......
Preparation of Ceramic Foams Suitable for Aircraft Arresting by the Airport Runway Based on a Protein Foaming Agent张理元,周大利,YANG Weizhong,CHEN Ying,LIANG Bin,ZHOU JiabeiCollege of Materials Science... concrete foams. The synthesis of ceramic foams adopted direct-foaming method and used an animal protein as foaming agent. Kaolin, talc powder and alumina were the main raw materials. Effects......
