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concentration alkaline or molten sodium hydroxide system, carbonation decomposition and ammonia leaching are used for sequential extracting and separating silicon, magnesium, nickel and iron, so as to realize..., a Chinese low-grade nickel laterite ore located in Sichuan Province, China, was used as the raw materials. The pre-roasting of nickel ores was conducted followed by leaching with sodium hydroxide......
Study of Technology of Stripping Nickel Coating on NdFeB Permanent Magnet Rao Houzeng1,Jiang Longfa1,LI Guohua2,Lin Guanjie1 (1.Department of Environmental and Chemical Engineering, Nanchang... in the solution of stripping the nickel coating on NdFeB permanent magnet on the stripping result were studied systematically.The practical formular contains mainly the oxidant m-O2NC6H4SO3Na, the complex......
change with the increasing porosity. All the porous Ni3Al intermetallics with different porosities exhibit excellent corrosion resistance in a strong alkali solution. Key words: nickel aluminide intermetallic; corrosion; pore structure 1 Introduction Nickel aluminide intermetallics have been envisaged as good candidates for a number of industrial sectors, including aerospace, automotive, and power......
Inner and outer pressure forming of nickel based super-alloy thin-walled part with variable diameter sections WANG Zhong-jin(王忠金), GAO Tie-jun(高铁军) School of materials science and engineering...; Abstract: A novel forming method of nickel based super-alloy thin-walled part with variable diameter sections was proposed......
Cup-drawing formation of steel sheet with nickel coating by finite element method ZHANG Xiao-bing(张小兵), LONG Shi-guo(龙士国), MA Zeng-sheng(马增胜), PAN Yong(潘勇), ZHOU Yi-chun(周益春) Key Laboratory...) simulation of deep-drawing of steel sheet with nickel coating based on the solid element and dynamic explicit method was reported. Penalty function method was used to treat the contact algorithm......
J. Cent. South Univ. (2016) 23: 2191-2198 DOI: 10.1007/s11771-016-3276-9 Desilication kinetics of calcined boron mud in molten sodium hydroxide media NING Zhi-qiang(宁志强), SONG Qiu-shi(宋秋实), ZHAI Yu... Abstract: Desilication kinetics of calcined boron mud (CBM) occurring in molten sodium hydroxide media was investigated. The effects of factors such as reaction temperature and NaOH-to-CBM mass ratio......
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ARTICLE J. Cent. South Univ. (2019) 26: 1592-1606 DOI: https://doi.org/ 10.1007/s11771-019-4115-6 Gas-liquid mass transfer of carbon dioxide capture by magnesium hydroxide slurry in a bubble column... Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract: Magnesium hydroxide (Mg(OH)2) has been considered as a potential solvent for CO2 removal of coal-fired power plant......
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Effect of Rare Earth Elements on Depositing Rate of Nickel Alloy Brush Plating Coating YANG De-jun1,LIU Jia-jun2,YU Hong-ying1,SUN Dong-bai1,HUANG Jin-bin2,ZHU Bao-liang2 (1.Department of Surface... voltage to a certain extent, the results reveal no differences. The mechanism of the increase of the depositing rate was analyzed. Key words:rare earths; nickel alloy; brush plating coating; depositing......
