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(EH) P. The (Gd) TbDy (HoY) concentrate obtained from the first step is directly fed to Tb/Dy process. This process is suitable for low yttrium mischmetal, middle yttrium mineral and low yttrium mineral in South China. Keyword: extractional separation; mischmetal; Received: 1998-12-14 我国南方特有的离子吸附型稀土矿, 按其所采用的分离流程, 习惯上分为低钇, 中钇和高钇离子吸附型稀土矿. 对于低钇离子吸附型稀土矿和......
Modification Effects of Lanthanum-Rich Mischmetal on A357 Alloy 李华基1,刘昌明1,薛寒松1,李革胜1 (1.College of Mechanical Engineering, Chongqing University,) Abstract:A357 alloy was modified with lanthanum -rich mischmetal, and modification effects of the mischmetal on its as-cast and heat-treated structures, mechanical properties and hydrogen content were investigated and compared with that of strontium......
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Researches on Mischmetal Preventing Lead Segregation in High Lead Bronze李道韫,徐连棠,战松江,付念新摘 要:<正> The effect of mischmetal addition on lead segregation... of preventing lead from segregation respectively by mischmetal andnickel are also compared in the paper.The mischmetal addition in high lead bronze is distributed in the coppermatrix mainly......
Chemical Conversion Film of Mischmetal on Zinc Deposit王济奎,方景礼摘 要:ChemicalConversionFilmofMischmetalonZincDepositWangJikui(王济奎)(DepartmentofAppliedChemistry,NanjingUniversityofChemicalTechnol...关键词:......
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......
.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:......
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......