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are amorphous phase or/and compound Ta 6N 2.57 . Keyword: tantalum; ion-nitriding; sarface process; Received: 1999-08-20 钽具有极好的与玻璃相似的耐腐蚀性能, 可以耐除HF... of interface reactions during plasma nitriding of tantalum Abstract: The reaction process on the surface of solid gases during nitriding of tantalum was discussed thermodynamically......
previous distillation process substituted for anhydrous ethanol during tantalum ethoxide electrochemical synthesis (No.7). The distillation product obtained was saved in Duran bacteria culture bottle... distillation process substitutes for AR grade ethanol during tantalum ethoxide electrochemical synthesis (No.7). The FTIR spectrum of condensate sample exhibits sharp bands around 2 970, 2 924 and 2......
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- state O2 sensors[2]. Traditional film fabrication techniques include thermal oxidation, reactive sputtering, ion plating, sol-gel processing[3-4], and chemical vapor deposition (CVD)[5]. Tantalum...): 196-201. [8] MEHROTRA R C. Synthesis and reactions of metal alkoxides [J]. Journal of Non-crystalline Solids, 1988, 100(1/3): 1-15. [9] FRIEDRICH Z. Process for preparing tantalum alkoxides and niobium......
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Engineering, Guizhou University, Guiyang 550003, China) Abstract: Tantalum metal was prepared by solid oxygen-ion conducting membrane (SOM) technology from Ta2O5 directly in molten CaCl2. Through..., 2006, 42(5): 500?504.CHENG Hong-wei, LU Xiong-gang, LI Qian. Preparation of metal tantalum by solid oxygen-ion membrane[J]. Acta Metallurgica Sinica, 2006, 42(5): 500?504. [11] 邓丽琴, 许 茜, 李 兵. 电脱氧法由......
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. References [1] Hellier E G, Martin, G L. Production of tantalum powder. US 2950185[P]. 1960. [2] Tripp T B. The production of tantalum by the sodium reduction process[C]//Symposium on Ta and Nb...]. Engineering Science China, 2001, 3(12): 85-89. (in Chinese) [7] Shekhter L, Lanin L, Tripp T, Goldberg H. A new process for the reduction of tantalum and niobium powder from oxide[C]//Int Symposium on Ta......
was employed to explore the effectsof process parameters of plasma nitriding of tantalum such as total pressure, temperature and original hydrogen molar frac-tion on the hardness, roughness and structure...Plasma-nitriding of tantalum at relatively low temperatureZHANG Deyuan;LIN Qin;ZHAO Haomin;FEI Qinyong;GENG Man National R & D Center for Surface Engineering of China, Shenzhen 518029, China......