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J. Cent. South Univ. (2017) 24: 1537-1543 DOI: 10.1007/s11771-017-3558-x Optimization on selenium and arsenic conversion from copper anode slime by low-temperature alkali fusion process GUO Xue-yi... selenium and arsenic in copper anode slime (CAS) by low-temperature alkali fusion process. Central composite design was employed to optimize the effective parameters, in which NaOH/CAS mass ratio, fusion......
J. Cent. South Univ. (2018) 25: 754-763 DOI: https://doi.org/10.1007/s11771-018-3780-1 Effect of additives on anode passivation in direct electrolysis process of copper–nickel based alloy scraps LI... electrochemical stability of the anode strong and difficult to be corroded, caused by the adsorption of generated Cu2O, NiO or copper powder to the anode surface. The Ni2+ reducing Cu2+ to Cu+ or copper......
magnesium alloy anode WANG Nai-guang, WANG Ri-chu, PENG Chao-qun, FENG Yan, SHI Kai, JIN He-xi (School of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract: AP65 magnesium alloy anode was prepared by melting and casting. The microstructures and corrosion morphologies of the specimens under different conditions were investigated by scanning electronic microscopy......
有一定程度的下降.Nd对锌电积阳极主要性能均有较大程度的改进作用,是很好的锌电积阳极改性剂,具有较好的工业应用前景. 关键词:锌电积;钕;铅稀土合金;耐腐蚀性能;阳极电位 中图分类号:TF813 文献标志码:A Influence of Nd on Pb-Ag alloy anode..., China) Abstract: The effects of different Nd additions on the three main properties (anode potential, decay resistance and mechanical property) of lead-silver alloy anode for zinc electrowinning used......
铝基牺牲阳极光谱分析用标准物质的研制张勇1,刘英1,臧慕文1,童坚1,朱学新2,李成栋2,张乾向2,黄志强3,李剑3(1.北京市国家有色金属及电子材料分析测试中心2.国家有色金属复合材料工程技术研究中心,北京 1000883.海油石油工程股份有限公司,天津 300451)摘 要:根据铝基牺牲阳极成分设计表,采用合理的熔炼及铸造工艺,研制出含锌,铟,镉,铁,铜,硅,锡,镁,钛9个元素的铝基牺牲阳极光谱分析用标准样品.经金相组织检查及均匀性检验,表明此套标准样品结构组织致密,成分均匀.选择有资质的8家实验室采用不同......
HOMOGENIZATION TREATMENT OF Mg-Al-Zn (MM) MAGNESIUM ALLOY INGOTS K.Yu1,W.X.Li1 (1.College of Materials Science and Engineering, Central South University, Changsha 410083, China) Abstract:The Mg-Al.... The optimum annealing temperatureis 723K and the time is 12h. Key words:magnesium alloy; homogenization; diffusion; [全文内容正在添加中] ......
Twin-roll strip casting of magnesium alloys in China DING Pei-dao(丁培道)1, PAN Fu-sheng(潘复生)1, JIANG Bin(蒋 斌)1, WANG Jian(王 健)1, LI Hua-lun(李华伦)2, WU Jiang-cai(吴江才)2, XU Yue-wang(许月旺)2, WEN Yu(文 钰)2 1. National Engineering Research Center for Magnesium Alloys, Chongqing University, Chongqing 400044, China; 2. Shanxi Wenxi Yinguang Magnesium Group Co. Ltd., Yuncheng 043800......
> distilled water with NaOH and KF. The AZ91D magnesium alloy samples and the stainless steel were used as the anode and cathode, respectively. Oxide coatings were produced at a constant voltage of 380 V... reproducibility. The data of EIS were fitted by software ZSimpWin 3.2. 3 Results and discussion As shown in Fig. 1, a ceramic coating with thickness of (25±2) μm was obtained on AZ91D magnesium alloy......
Filling analysis for thixomolded process of AZ91D magnesium alloy ZHANG You-fa(张友法), LIU Yong-bing(刘勇兵), CUI Xiao-peng(崔晓鹏), CAO Zhan-yi(曹占义) Key Laboratory of Automobile Materials, Ministry... words: analysis; semisolid; thixomolded; magnesium 1 Introduction Recently, Thixomolding? becomes one of the hottest topics as a kind of lately-developed magnesium alloy process, which combines......
Fretting wear behavior of AZ91D magnesium alloy CHEN An-hua(陈安华)1, HUANG Wei-jiu(黄伟九)2, LI Zhao-feng(李兆峰)2 1. School of Mechanical Engineering, Hunan University of Science and Technology... behaviour of the AZ91D magnesium alloy was investigated. The influence of the number of cycles, normal load (contact pressure) and the amplitude of slip on the fretting behavior of the material were......