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; 文献标识码: A Preparation of new electrolytic capacitor anode of niobium... and Engineering, Central South University, Changsha 410083, China) Abstract: The preparation of niobium suboxide by Mg reduction procedure, high energy ball milling procedure and Nb reduction Nb2O5......
Niobium Extraction from Baotou Iron Ore Containing Niobium周渝生,杨天钧,孟涛,范鹏,董一诚,何旭初摘 要:<正> The experimental results of niobium enrichment in laboratory and in blast furnace in Baotou Iron andSteel Corporation were reported.The effects of temperature,constituents of slag and silicon content in hotmetal on niobium recovery were studied and the results......
On Niobium Reduction in Blast Furnace董一诚,杨天钧,孟涛,王振峰摘 要:<正> The Baotou Iron Ore of China contains very high niobium. This paper reported the results through laboratory and practical experiments on niobium enrichment in blast furnace. The effect of temperature, constituents of slag and silicon content in hot metal on niobium recovery was studied......
-yuan(黄道远) School of Materials Science and Engineering, Central South University, Changsha 410083, China Received 10 April 2006; accepted 25 April 2006 Abstract: The MoSi2 coating on C103 niobium... effectively prevent the diffusion of oxygen into coating. Key words: niobium based alloy; pack cementation; silicide coating; formative mechanism 1 Introduction Nb-based alloys have been used......
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熔盐电脱氧制备金属铌的研究谢大海1,王兴庆1,陈发允1(1.上海市上海大学材料科学与工程学院)摘 要:采用熔盐电脱氧法,以熔融的CaCl2-NaCl为电解质,经粉末压制烧结后的Nb2O5为阴极,石墨为阳极,电解制备了金属铌.并研究了压制压力,烧结温度,电解时间等因素对Nb2O5阴极电脱氧的影响.实验分析表明:阴极脱氧过程是由Nb2O5→NbO2→NbO→Nb且由阴极表面到内部逐步进行的,在适宜条件下可以得到纯度为99.5%以上的金属铌.关键词:熔盐电脱氧制备; 金属铌; Nb2O5; 压制烧结......
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,Jiangsu University, Zhenjiang 212013, China) Abstract:The relationship between composition and the electric mechanical properties for La2O3-doped lead niobium stibium zirconate titanate(La2O3-doped... composition on the electric machine properties of phase coexistent La2O3-doped PNSZT piezoelectric ceramics was analyzed and discussed. Key words:ceramics; La2O3; lead niobium stibium zirconate titanate......
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