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Preparation of high-purity tantalum ethoxide by vacuum distillation YANG Sheng-hai(杨声海)1, CHEN Yong-ming(陈永明)1, YANG Hai-ping(杨海平)1, LIU Yin-yuan(刘银元)1, TANG Mo-tang(唐谟堂)1, QIU Guan-zhou(邱冠周)2...; Abstract: Effects of reflux ratio, water addition and content of water in ethanol on the purity and yield of tantalum ethoxide during vacuum distillation were......
increases, and reaches a maximum value of 21.8 m2/g at the heating temperature around 700 ℃. Key words: homogeneous reduction; tantalum nano powder; BET surface area analysis tantalum metal powder for tantalum capacitors in large scale was developed by HELLIER and MARTIN in 1950s, and was improved by the following research. Potassium......
J. Cent. South Univ. (2021) 28: 1111-1128 DOI: https://doi.org/10.1007/s11771-021-4684-z Effects of tantalum addition on microstructure and properties of titanium alloy fabricated by laser powder... of material science. In this study, the biomedical Ti-13Nb-13Zr powder was mixed with the tantalum particles (2 wt%-8 wt%) and fabricated by L-PBF. The microstructure consists of a β matrix......
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into tantalum powder and sintering were investigated through observation of microstructure and testing of bending of tantalum wire after sintering and bending after pressing into tantalum powder... the same condition, the bending time of tantalum wire after pressing into tantalum powder and sintering worsens with the increase of oxygen content in tantalum powder. The bending time of tantalum......
with the required standards specifying initial material for sodium reduction in tantalum powder for condensers. Similar results were obtained for the fluoride-sulfuric acid technology of PMC leaching... J. Cent. South Univ. (2021) 28: 72-88 DOI: https://doi.org/10.1007/s11771-021-4587-z Separation and purification of tantalum from plumbomicrolite of amazonite deposit in Kola Peninsula by acid......
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[J]. Acta Metallurgica Sinica, 2006, 42(3): 285?292. [14] BABA M, SUZUKI R O. Dielectric properties of tantalum powder with broccoli-like morphology[J]. Journal of Alloys and Compounds, 2005, 392(1/2): 225?230. [15] BABA M, ONO Y, SUZUKI R O. Tantalum and niobium powder preparation from their oxides by calciothermic reduction in the molten CaCl2[J]. Journal of Physics and Chemistry of Solids......
