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is a matrix form, and it contains dark inclusions which are considered as an impurity in the iron ores. Although the chemical composition is similar to different deposits of iron ore, the microstructures... J. Cent. South Univ. (2018) 25: 2857-2870 DOI: https://doi.org/10.1007/s11771-018-3958-6 Chemical, physical, thermal, textural and mineralogical studies of natural iron ores from Odisha......
Strength distribution at interface of rotary-friction-welded aluminum to nodular cast iron SONG Yu-lai(宋雨来), LIU Yao-hui(刘耀辉), ZHU Xian-yong(朱先勇), YU Si-rong(于思荣), ZHANG Ying-bo(张英波) Key... 1050 and nodular cast iron by optimizing welding parameters and the geometry of components. Key words: aluminum; nodular cast iron; rotary friction welding; microstructure; strength distribution......
of the coarse Al-Si alloy. Table 1 Composition of coarse aluminum-silicon alloy (mass fraction, %) Table 1 indicates that the content of slag is too much. Iron, calcium and titanium are the main metallic... XDR pattern of coarse Al-Si alloy 2.2 Experimental method Firstly pure aluminum was used to dilute the coarse Al-Si alloy. After the processes of purifying, removing iron and adding magnesium......
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strength between piston alloys and cast iron ring of aluminum piston with reinforced cast iron ring, the different methods of the surface treatments (shot blasting and sand blasting) to the cast iron ring...Effect of surface treatment to inserted ring on Al–Fe bonding layer of aluminium piston with reinforced cast iron ringSUN Lan(孙兰)1, LI Chang-an(李长案)1, TU Jing-wen(屠静雯)1, PENG Ming-cheng(彭明诚)2(1......
; (3) 3.3.2 Effect of Fe/As mole ratio The next set of experiments was carried out to determine the minimum total iron dose required for optimal impurity removal at pH 6. A constant range... leach process, combining an environmentally suitable impurity removal process to recover cadmium. Optimum conditions were found as follows: H2SO4 concentration 90 g/L, liquid/solid ratio 6:1, leaching......
of bare aluminum nanoparticles using perfluoroalkyl carboxylic acids [J]. Chem Mater, 2005, 17(11): 2987-2996. [17] WANG G H, Harrison A. Preparation of iron particles coated with silica [J]. J Colloid... Synthesis and characterization of aluminum particles coated with uniform silica shell CHENG Zhi-peng(程志鹏), YANG Yi(杨 毅), LI Feng-sheng(李凤生), PAN Zhen-hua(潘振华) National Special Superfine Particle......
J. Cent. South Univ. (2021) 28: 669-678 DOI: https://doi.org/10.1007/s11771-021-4636-7 Highly-dispersed iron element decorated nickel foam synthesized by an acid-free and one-pot method for enzyme... and Bioengineering, Central South University, Changsha 410083, China Central South University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2021 Abstract: The highly-dispersed iron......
further act as the alkali and thus maintain a relatively rapid oxidation rate of trivalent chromium during the whole roasting process of chromite ore. And the impurity of aluminum oxide obviously.... Key words: chromite ore; oxidative roasting; impurity; ferrous oxide; aluminum oxide; mechanism 虽然近年来对采用熔盐[1-2]或亚熔盐[3]液相氧化法以及机械活化-碱浸法[4]等处理铬铁矿生产铬盐进行了大量的实验研究,但纯碱氧化焙烧法仍然是目前国内外铬盐工业最主要的生产方法.而铬铁矿氧化焙烧是整个铬盐生产......
J. Cent. South Univ. (2021) 28: 2010-2021 DOI: https://doi.org/10.1007/s11771-021-4749-z Iron and copper recovery from copper slags through smelting with waste cathode carbon from aluminium...; smelting reduction; iron and copper recovery; fluoride Cite this article as: MAO Kai-xuan, LI Lei, XU Miao. Iron and copper recovery from copper slags through smelting with waste cathode carbon from......
