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Sr的变质作用. 关键词: Al-Si合金;锶变质;混合稀土; 中图分类号: TG14 收稿日期:1999-11-01 Effect of mischmetal on microstructures of near-eutectic Al-Si alloy modified with Sr Abstract...> Al Si alloy; Sr modification; mischmetal; Received: 1999-11-01 近共晶成分的Al-Si合金由于具有优异的铸造性能, 良好的力学性能, 耐蚀性和可焊性及低的热膨胀系数, 在机械, 汽车, 航空与军事工业中具有广阔的应用前景 [1] , 因而吸引了许多研究者的兴趣. 要便这......
Continuous electromagnetic separation of inclusion from aluminum melt using alternating current ZHANG Bang-wen(张邦文)1, REN Zhong-ming(任忠鸣)2, WU Jia-xiong(吴加雄)2 (1. State Key... was put forward based on the utilization of a square separation pipe and a 50 Hz alternating current to produce electromagnetic force. It is experimentally found that with electrical current of 400 A/cm2......
.在同一临界过冷度ΔT2下,随RE加入量的增加,初生硅的尺寸从40 μm减小到20 μm. 关键词:Al-80%Si合金;初生硅;过冷度;富铈混合稀土 中图法分类号:TG111.4 文献标志码:A Effects of cerium-rich mischmetal on solidification behavior...’an 710021, China) Abstract: The effect of the addition level of cerium-rich mischmetal (RE) elements on the solidification behavior and as-solidified microstructure for the Al-80%Si (mass fraction......
Influence of Samarium and Neodymium on Production of Mischmetal by Molten Salt Electrolysis Process张长鑫,刘鸿涛,张燕红摘 要:<正> In molten salt electrolysis... to the production of mischmetal,is described.关键词:......
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The Influence of Mischmetal on Wetting of Steel by Zn+5wt%Al Alloys杨云,余宗森摘 要:<正> The wetting of steel sheet by liquid Zn+5 wt%Al alloy has been measured by the Meniscograph.The result shows that the addition of mischmetal in Zn+5 wt%Al alloy decreases the surface tension of thealloy,reduces the wetting angle of the liquid alloy raising in steel......
Separation efficiency of alumina particles in Al melt under high frequency magnetic field GUO Qing-tao(郭庆涛)1, CAO Zhi-qiang(曹志强)2, ZHANG Zhong-tao(张忠涛)2, LI Ting-ju(李廷举)2, JIN Jun-ze(金俊泽)2, HONG...; Abstract: The effects of separation time and magnetic induction intensity on the separation efficiency of alumina particles......
Separation and Enrichment of Rare Earth Elements in Phosphorite in Xinhua, Zhijin, Guizhou Zhang Jie1,Shun Chuanmin2,Yang Guofeng1,Xie Fei1 (1.Mineral Industry College, Guizhou University, Guiyang... be reached 85.44%, having certain reference value. Key words:rare earth elements; phosphorites; separation and enrichment; [全文内容正在添加中] ......
Influence of La-Ce Mischmetal on Dendritical Arm Space and Ultimate Tensile Strength in ZL105 Alloys LI Ge-sheng1,LI Hua-ji1,LIU Chang-ming1 (1.Department of Mechanical Engineering, Chongqing University, Chongqing 400044, China) Abstract:The influence of pure La, pure Ce, (La+Ce) mischmetal on the dendritical arm space(LDAS) of ZL105 alloy in cylinderical casting was studied. The effects......
Pretreatment study on chloridizing segregation and magnetic separation of low-grade nickel laterites LIU Wan-rong(刘婉蓉)1, LI Xin-hai(李新海)1, HU Qi-yang(胡启阳)1, WANG Zhi-xing(王志兴)1, GU Ke... ____________________________________________________________________________________________ Abstract: The chloridizing segregation and magnetic separation of low-grade nickel laterites from Yunnan province of China was investigated. The nickel laterites were characterized......