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J. Cent. South Univ. (2016) 23: 2754-2762 DOI: 10.1007/s11771-016-3337-0 Effect of melt spinning on gaseous hydrogen storage characteristics of nanocrystalline and amorphous Nd-added Mg2Ni-type... prepared by melt spinning technology and their structures as well as gaseous hydrogen storage characteristics were investigated. The XRD, TEM and SEM linked with EDS detections reveal that the as-spun......
不同冷却温度下相变材料Na2SO4·10H2O的过冷行为李国柱1,冯国会1,赫娜1,李慧星1,黄凯良1,2,陈其针1,庄克鹏3,李宏1,21. 沈阳建筑大学市政与环境工程学院2. 重庆大学城市建设与环境工程学院3. 沈阳军区司令部工程科研设计院摘 要:研究不同冷却温度下结晶水合盐Na2SO4·10H2O的过冷行为.建立了过冷行为的测试装置,测试并绘制了不同冷却温度下Na2SO4·10H2O添加成核剂前后的步冷曲线,以研究其过冷行为.结果表明,冷却温度在5℃~25℃时过冷度随冷却温度的减小而增大;冷却温度为25℃时Na2SO4·10H2O不发生完全结晶甚至不结晶;最小过冷度发生在冷却温度为20℃时,为5.3℃;最大过冷度发生在冷却温度为5℃时而非0℃,为15.9℃.添加成核剂可降低Na2SO4......
EFFECT OF MELT OVER-HEATING AND ZIRCONIUM ALLOYING ON THE MORPHOLOGY OF Al9FeNi PHASE AND MECHANICAL PROPERTIES OF 2618 ALLOY J.H.Wang1,D.Q.Yi2 (1.Mechanical Engineering Institute of Xiangtan University, Xiangtan 411105, China;2.Department of Materials Science and Technology of Central South University, Changsha 410083, China) Abstract:The effect of melt over-heating on the morphology......
Filling and solidification of TiAl melt in centrifugal field SHENG Wen-bin(盛文斌) Department of Mechanical Engineering, Shandong University of Technology, Zibo 255049, China Received 10 April 2006... to describe the filling and solidification of TiAl melt by permanent mold centrifugal casting. The model was solved numerically and the filling and solidification processes in the centrifugal field were......
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;正> The structure of NaAlO2 melt has been studied by computerized simulation using Monte Carlomethod.The radial distribution functions and Local structure of this melt are calculated.It has beenfound that NaAlO2 melt contains ionic clusters formed by corner-sharing AlO4 tetrahedra,sodiumions and xNa+.yO2- ionic clusters.关键词:......
Establishment of hydrogen measurement system for magnesium alloy melt XU Si-xiang(许四祥), WU Shu-sen(吴树森), MAO You-wu(毛有武), AN Ping(安 萍) State Key Laboratory of Material Processing and Die &..., a rapid and reliable measurement system for hydrogen content in magnesium melt was set up with CPU controller and electric circuit. With this instrument, measurement experiments were carried out......
Development of magnesium composite alloy by a new method combining B2O3 addition and melt stirring BU Le-ping(卜乐平)1,2, S. TANAKA1, M. TSUSHIDA3, S. ANDO3, H. TONDA3 1. Graduate School... Abstract: For developing high performance magnesium alloys, a new method in combination of B2O3 addition and melt stirring was applied. When 0, 3%, 6% and 12%( mass fraction) B2O3 was added into pure Mg......
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工业炉用Na2SO4/SiO2复合蓄热材料的研究 张仁元1,李爱菊1,柯秀芳1 (1.广东工业大学材料与能源学院,广州,510090) 摘要:为改善工业炉高温烟气余热回收设备中蓄热材料的性能,本研究成功地研制了Na2SO4/SiO2显热/潜热复合蓄热材料,并讨论了烧结温度和时间,成形压力,添加剂等因素对复合蓄热材料热物性,致密度和抗压强度的影响.这种复合蓄热材料继承了传统蓄热材料的优点,同时又结合了相变材料的长处,克服了二者的不足,从而具有稳定性好,蓄放热快和蓄热密度高的性能. 关键词:Na2SO4 SiO2 蓄热材料; [全文内容正在添加中] ......