| Pb纳米晶的制备及表征 |
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| 引用本文： | 赵彦保,张治军,党鸿辛. Pb纳米晶的制备及表征[J]. 润滑与密封, 2004, 0(2): 3-4 |
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| 作者姓名： | 赵彦保 张治军 党鸿辛 |
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| 作者单位： | 1. 中国科学院兰州化学物理研究所固体润滑国家重点实验室,兰州,730000;河南大学特种功能材料实验室,开封,475002
2. 河南大学特种功能材料实验室,开封,475002 |
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| 基金项目： | 科技部“86 3”纳米专项基金 (2 0 0 2AA30 2 6 0 7)资助课题 |
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| 摘 要： | 以铅粒为起始原料，聚乙二醇为保护剂和抗氧化剂，采用液相分散法成功地制备出了铅纳米晶．并采用投射电子显微镜和X-射线粉末衍射仪对其形貌和结构进行了研究。试验结果表明：液相分散法制取的铅纳米晶粉是近球形的小颗粒。同时具有与原料铅完全相同的晶体结构。另外．在四球试验机上察了铅纳米晶的摩擦学性能。
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| 关 键 词： | 铅 纳米晶 制备 表征 液相分散 摩擦学性能 聚乙二醇 投射电子显微镜 X-射线粉末衍射仪 |
| 修稿时间： | 2003-06-03 |
Preparation and Characterization of Pb Nanocrystals |
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| Zhao Yanbao , Zhang Zhijun Dang Hongxin . Preparation and Characterization of Pb Nanocrystals[J]. Lubrication Engineering, 2004, 0(2): 3-4 |
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| Authors: | Zhao Yanbao Zhang Zhijun Dang Hongxin |
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| Affiliation: | Zhao Yanbao 1,2 Zhang Zhijun2 Dang Hongxin 1,2 |
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| Abstract: | Nanocrystalline Pb powders were prepared, starting from Pb granules, by solution dispersion method in paraffin oil, using polyglycol as a protecting agent and oxidation inhibitor. Nanocrystalline Pb powders were characterized by transmission electron microscope (TEM), powder X-ray diffraction (XRD) and EXSTAR6000 thermal system. The results showed that nanocrystalline Pb powders were close to spherical particle and had the same structure as bulk Pb. In addition, the tribological properties of nanocrystalline Pb powders were tested with a four-ball machine. |
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| Keywords: | solution dispersion mechanism nanocrystal characterization tribological properties |
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