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Cu基電觸頭用摻雜SnO2納米粉體的制備
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河北省自然科學基金資助（E2012202015）；河北工業(yè)大學優(yōu)秀青年科技創(chuàng)新基金資助（2011007）


Fabrication of Doped SnO2 Powder Used for Cu Matrix Electrical Contact
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    摘要:

    利用溶膠-凝膠工藝制備了Cu基電觸頭用TiO2摻雜SnO2納米粉。實驗時，首先采用TG-DSC方法對摻雜SnO2前驅(qū)體在升溫過程中的轉(zhuǎn)變過程進行了分析，然后采用XRD對不同溫度焙燒所得摻雜SnO2粉體進行了物相分析、顆粒粒徑計算，采用TEM對摻雜SnO2粉體的微觀形貌進行了觀察，最后通過分析摻雜SnO2粉體晶格參數(shù)d值的變化對粉體的摻雜效果進行了評估。結果表明：通過所述工藝成功實現(xiàn)了TiO2對納米SnO2的摻雜，500 ℃焙燒所得摻雜SnO2為圓球形，粒徑約為10 nm，較好地滿足Cu基電觸頭材料使用的需求。

    Abstract:

    TiO2 doped SnO2 nano powder used for Cu matrix electrical contact materials was prepared by a sol-gel method. The transformation process of the doped SnO2 precursor during heating was analyzed by TG-DSC technique. Then, phase analysis and particle size calculation of the doped SnO2 powders calcined at different temperatures were carried out by XRD, and the microscopic morphology of the doped SnO2 powder was observed by TEM. Finally, the doping result of SnO2 powder was evaluated by analyzing the change of the lattice parameter d value. The results show that nanometer SnO2 can be successfully doped by TiO2 using the present method. The doped SnO2 calcined at 500 oC is spheroidal in shape, and about 10 nm in diameter. It can entirely meet the need of Cu matrix electrical contact materials.

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王清周,陸東梅,崔春翔,徐 萌. Cu基電觸頭用摻雜SnO2納米粉體的制備[J].稀有金屬材料與工程,2014,43(8):1979~1982.[Wang Qingzhou, Lu Dongmei, Cui Chunxiang, Xu Meng. Fabrication of Doped SnO2 Powder Used for Cu Matrix Electrical Contact[J]. Rare Metal Materials and Engineering,2014,43(8):1979~1982.]
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  • 收稿日期:2013-09-21
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  • 在線發(fā)布日期: 2015-01-04
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