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首页> 外文会议>International Symposium on Eco-Materials Processing amp; Design; 20060108-11; Chengdu(CN) >Preparation of Nickel Powders by the Reduction of Hydrazine of Ni(OH)_2 Reactant Slurries from Nonaqueous Media
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Preparation of Nickel Powders by the Reduction of Hydrazine of Ni(OH)_2 Reactant Slurries from Nonaqueous Media

机译：通过非水介质还原Ni（OH）_2反应物浆料中的肼来制备镍粉

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摘要

Nickel powders were prepared by the reduction of hydrazine of Ni(OH)_2 reactant slurries from non-aqueous media. The morphological characteristics of nickel powders were investigated under various processing conditions. Nickel powders were characterized by using scanning electron microscope (SEM), X-ray diffractometer (XRD), thermal gravitational analysis (TGA) and X-ray photoelectron spectroscopy (XPS). The size of nickel powders was increased as the reaction temperature and time increased because of the thermal agglomeration of nuclei and/or increased growth rate. The surface of nickel powders composed of both Ni and Ni(OH)_2 was oxidized in the temperature range of 400-600℃.
机译：通过从非水介质中还原Ni（OH）_2反应物浆料的肼来制备镍粉。研究了镍粉在各种加工条件下的形貌特征。通过使用扫描电子显微镜（SEM），X射线衍射仪（XRD），热引力分析（TGA）和X射线光电子能谱（XPS）对镍粉进行表征。镍粉的尺寸随着反应温度和时间的增加而增加，这是由于核的热团聚和/或生长速率的提高。在400-600℃的温度范围内，由Ni和Ni（OH）_2组成的镍粉表面被氧化。

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