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in this molten salt system,and the reaction is a rever-sible and diffusion-controlled process.The electrochemical reduction potential of Nd is about-3.2V(versuschlorine reference electrode).关键词:...THE MECHANISM OF ELECTROREDUCTION OF NEODYMIUM IN MOLTEN CHLORIDES陆庆桃,叶云蔚,李国勋,叶尚云摘 要:<正> The cathodic reduction of neodymium ion has been studied......
. At present, the primary methods to prepare metal and its alloys include metal casting, thermic reduction method and molten salt electrolysis method [8]. However, the metal casting and thermic reduction process have many disadvantages, such as complicated production process, high-energy consumption, serious metal burning and inhomogeneous alloy composition. On the contrary, molten salt electrolysis......
Nd对AZ31镁合金微观组织与力学性能的影响 刘旭光1,李明照1,许并社1,李琮1 (1.太原理工大学,教育部新材料界面与工程重点实验室,山西,太原,030024) 摘要:研究了Nd对AZ31镁合金微观组织和力学性能的影响.结果表明:Nd在AZ31合金中的吸收率达95%,Nd加入AZ31合金中形成了Al2Nd和Mg12Nd金属间化合物,Nd使合金的平均晶粒尺寸减小,力学性能提高.含Nd的AZ31合金铸态抗拉强度,屈服强度和伸长率值分别为245 Mpa,171 Mpa和9%. 关键词:镁合金; 钕; 微观组织; 力学性能; magnesium alloy; Nd(neodymium); microstructure; mechanical property; [全文内容正在添加中] ......
Selective separation of copper and cadmium from zinc solutions by low current density electrolysis YANG Bo(杨 卜), WANG Cheng-yan(王成彦), LI Dun-fang(李敦钫), YIN Fei(尹 飞), CHEN Yong-qiang(陈永强), WANG... aqueous solution or zinc ammonia/ammonium sulphate aqueous solution by low current density electrolysis. It was shown that the concentration of cadmium ion in zinc sulphate solution decreased from 4.56 g......
文章编号: 1004-0609(2006)03-0464-06 钕对AZ91镁合金铸态组织的影响 刘生发1, 王慧源2, 康柳根1, 黄尚宇1, 徐 萍1 (1. 武汉理工大学 材料科学与工程学院, 武汉 430070; 2. 武汉理工大学 机械工程学院, 武汉 430070) 摘 要: 利用光学显微镜, 电子探针和X射线衍射仪研究Nd对AZ91镁合金铸态显微组织的影响, 并利用Imagetool软件测量晶粒尺寸和面积. 结果表明: 少量Nd对α-Mg晶粒有显著的细化作用, 平均晶粒尺寸由108μm降至约31μm, 晶粒面积也明显减小, Nd的最佳加入量为0.5%. 此外, Nd的加入致使β-Mg17Al12相弥散细小, 组织中出现了粒状或针状Al3Nd化合物. 关键词: AZ91镁合金; 钕; 显微组织 中图分类号: TG146 文献标识码......
in AlCl 3 -NaCl-KCl molten salt with a mass ratio of 8:1:1 were investigated by SEM and EDS. The binding force was measured by splat-cooling method and bending method. The results indicate...Electrodeposition of aluminum on aluminum surface from molten saltWenmao HUANG, Xiangyu XIA, Bin LIU, Yu LIU, Haowei WANG and Naiheng MA State Key Laboratory of Metal Matrix Composites, Shanghai Jiao......
Molten salt synthesis of mullite nanowhiskers using different silica sourcesTao Yang1,2,Peng-long Qiu1,Mei Zhang1,Kuo-Chih Chou1,2,Xin-mei Hou1,2,Bai-jun Yan11. Department of Metallurgical Physical... 要:Mullite nanowhiskers with Al-rich structure were prepared by molten salt synthesis at 1000°C for 3 h in air using silica, amorphous silica, and ultrafine......
the infiltration of the molten electrolyte. Followed by the dissolutions of the NiO and NiFe2O4 phases in the electrolysis, some aluminates such as NiAl2O4 and FeAl2O4 [8, 14] would be generated...-saturated sodium cryolite molten salt system at 960 °C. The formation of the dense ceramic layer was mainly attributed to the transformation of NiO phase, the oxidation of the metal phase......
a stibnite concentrate(Sb2S3) was performed in one step using a molten salt electrolysis method and borax as an electrolyte. Electrochemical reduction of the stibnite concentrate was performed at 800...One-step electrochemical reduction of stibnite concentrate in molten boraxLevent Kartal1,Mehmet Bar?? Daryal2,Güldem Kartal ?ireli2,Servet Timur21. Department of Metallurgical and Materials......
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