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. The research of non-isothermal kinetics was evaluated by the leaching rate of Fe and the total apparent velocity equation of the non-isothermal kinetics of leaching for primary titanium-rich material... and the mixture solution after leaching by 20% HCl. Key words: primary titanium-rich material; non-isothermal kinetics; microwave absorption characteristic ......
-isothermal kinetics of primary titanium-rich material with microwave leaching was investigated. The temperature-pressure curves and microwave absorption property of leaching system were measured... the leaching rate of Fe is. The abrupt changes of microwave absorption property exist in leaching solution containing 15%HCl and the solution leached by 20%HCl. Key words: primary titanium-rich material......
of metallic iron. Consequently, rust rate of metallic iron is increased. Key words: reduction-rust process; kinetics; ilmenite; rust rate; titanium-rich material 现阶段具有利用价值的钛矿物主要是金红石和钛铁矿[1].随着钛工业的发展,金红.... 含钛料浸出除杂过程中的改性剂研究[J]. 钢铁钒钛, 2005, 26(3): 29-32.SUN Yan, PENG Jin-hui, HUANG Meng-yang, et al. Study on modifiers for impurities removal in microwave leaching of titanium material[J]. Iron Steel......
of solidification of metallic material[12-15]. The fractal theory is applied to study the fractal dimensions of primary phase morphology in semisolid hypoeutectic Al-Si alloy prepared by low superheat pouring... Trans. Nonferrous Met. Soc. China 20(2010) s805-s810 Characterization on morphology evolution of primary phase in semisolid A356 under slightly electromagnetic stirring LIU Zheng (刘 ......
Effect of sample diameter on primary dendrite spacing of directionally solidified Al-4%Cu alloy QU Min(屈 敏), LIU Lin(刘 林), TANG Feng-tao(唐峰涛), ZHANG Jun(张 军), FU Heng-zhi(傅恒志) State Key...; Abstract: The relationship between primary dendrite arm spacing and sample diameter was studied during directional solidification for Al-4%Cu (mass fraction) alloy. It is shown......
reaction. With the same primary coating material and mould temperature, Ti6Al4V alloy presents better stability than Ti-1100 alloy.Key words:Ti-1100 alloy; interfacial reaction; investment casting; primary coating material......
Catalytic effect of activated carbon on bioleaching of low-grade primary copper sulfide ores ZHANG Wei-min(张卫民)1, GU Shi-fei(谷士飞)2 1. School of Civil and Environmental Engineering, East China... June 2007 ______________________________________________________________ Abstract: The catalytic effect of activated carbon on the bioleaching of low-grade primary copper sulfide ores using mixture......
min, respectively. The leaching efficiencies of vanadium, scandium and yttrium are more than 95%. The leaching efficiency of silicon reaches 85.7% and the titanium-rich material with TiO2 grade... of vanadium, silicon and iron are 10.76 kJ/mol, 10.61 kJ/mol and 23.86 kJ/mol, respectively. Key words: red mud; titanium-rich material; active roasting; combined leaching; valuable component Foundation item......
indicating the good application prospects of the two effects. Finally, based on the nominal deformation modulus, the unity of primary and recency effects is proved from the perspective of material..., and is more prone to deformation, while it is more resistant to post-load stress or strain. Based on the physical mechanism, both the primary and recency effects are direct results of material......
J. Cent. South Univ. (2021) 28: 2514-2526 DOI: https://doi.org/10.1007/s11771-021-4783-x Primary and secondary consolidation compression for saturated soil considering coupling effect of loading... of soil under thermal mechanical coupling and its mathematical description. Firstly, based on the general function, a unified primary and secondary consolidation model of saturated soil considering......
