| 纳米氧化亚镍包覆Al复合粒子的制备 |
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| 引用本文： | 杨毅,刘永峙,李凤生,刘宏英.纳米氧化亚镍包覆Al复合粒子的制备[J].化工学报,2005,56(11):2228-2232. |
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| 作者姓名： | 杨毅 刘永峙 李凤生 刘宏英 |
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| 作者单位： | 南京理工大学国家特种超细粉体工程技术研究中心，江苏 南京 210094 |
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| 基金项目： | 国家自然科学基金（50306008）;江苏自然科学基金（BK2003421）;总装备部预研项目（41328030507）. |
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| 摘 要： | 为了获得具有良好红外吸收特性及低发射率复合颜料，通过将纳米NiO复合于片状金属铝粉表面的方法，获得了复合效果好的纳米NiO/Al复合粒子.为了保证复合物的红外伪装性能，通过对复合前驱体Ni2CO3(OH)2/Al的热分析，确定了对复合物的热处理温度.通过对复合物热处理前后的电镜照片分析，发现热处理前复合物表面是由线状的Ni2CO3(OH)2交织而成的，而热处理后则变成了由纳米球状NiO粒子连接而成的球链.这种现象在同类研究中尚未见报道.对比所制备的纳米NiO/Al和NiO的XRD图谱，发现纳米NiO/Al中的NiO衍射峰宽化，表现出纳米粒子的特征，由半高宽计算出其晶粒粒径为12 nm.
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| 关 键 词： | 纳米材料 红外伪装 氧化亚镍 金属铝粉 复合技术 |
| 文章编号： | 0438-1157（2005）11-2228-05 |
| 收稿时间： | 10 12 2004 12:00AM |
| 修稿时间： | 2004-10-122005-04-19 |
Preparation of nanometer NiO/Al composite particle |
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| YANG Yi,LIU Yongzhi,LI Fengsheng,LIU Hongying.Preparation of nanometer NiO/Al composite particle[J].Journal of Chemical Industry and Engineering(China),2005,56(11):2228-2232. |
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| Authors: | YANG Yi LIU Yongzhi LI Fengsheng LIU Hongying |
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| Abstract: | To obtain composite paint with good infrared absorption and low emissivity, nanometer NiO/Al composite particle was prepared with nanometer compounding technique. To ensure the IR camouflage performance of the composite, heat treatment temperature was fixed by heat analysis on composite intermediate of Ni_2CO_3(OH)_2/Al.The results of SEM on composite fore-and-after heat treatment indicated that NiO on the composite surface became nanometer sphere after heat treatment from wire-like Ni_2CO_3(OH)_2.This phenomenon has not been reported in similar fields up to now. Compared with the XRD charts of NiO/Al and NiO prepared in experiment, it was found that the diffraction peaks of NiO of (NiO/Al) were broadened,and the characteristics of nanometer particles were shown evidently.The crystal diameter of NiO in composite particles was 12 nm, calculated by the width of the curve peak at half height. |
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| Keywords: | nanometer material IR camouflage NiO aluminum powder compounding technology |
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