| 微米铝粉活性及氧化膜厚度研究 |
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| 引用本文： | 曾亮,焦清介,任慧,周庆.微米铝粉活性及氧化膜厚度研究[J].北京理工大学学报,2012,32(2):206-211. |
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| 作者姓名： | 曾亮 焦清介 任慧 周庆 |
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| 作者单位： | 北京理工大学爆炸科学与技术国家重点实验室,北京,100081;北京理工大学爆炸科学与技术国家重点实验室,北京,100081;北京理工大学爆炸科学与技术国家重点实验室,北京,100081;北京理工大学爆炸科学与技术国家重点实验室,北京,100081 |
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| 基金项目： | 爆炸科学与技术国家重点实验室(北京理工大学)自主课题重点项目(10-01D) |
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| 摘 要： | 提出了计算微米级铝粉平均氧化膜厚度的经验公式.使用SEM、气体容量法、激光粒度仪及质谱仪对两个系列共21种数均粒径的微米铝粉进行了形貌、活性铝质量分数、粒度分布与成分测试,分析了微米铝粉的数均粒径与其氧化膜厚度之间的规律.结果表明,微米铝粉的平均氧化膜厚度与数均粒径为指数关系,并存在一个与铝粉纯度相关的上限值.
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| 关 键 词： | 微米铝粉 氧化膜厚度 粒度分布 活性铝质量分数 |
| 收稿时间： | 4/1/2011 12:00:00 AM |
Studies on Oxide Film Thickness and Activity of Micron Aluminum Powder |
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| ZENG Liang,JIAO Qing-jie,REN Hui and ZHOU Qing.Studies on Oxide Film Thickness and Activity of Micron Aluminum Powder[J].Journal of Beijing Institute of Technology(Natural Science Edition),2012,32(2):206-211. |
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| Authors: | ZENG Liang JIAO Qing-jie REN Hui and ZHOU Qing |
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| Affiliation: | State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | An empirical formula was established to calculate the average thickness of oxide film of micro aluminum powder. The morphology, mass fraction of active Al, particle size distribution and composition of 21 samples of micro aluminum falling within two series were investigated using the measures of SEM, gas volumetric method, laser particle size analyzer and mass spectrum, respectively. The relationship between the average diameter and the oxide film thickness was discussed. The results show that the oxide film thickness is an exponential function to the average diameter of micro aluminum powder. There is an upper limit value of thickness which is associated with the purity of aluminum powder. |
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| Keywords: | micron aluminum powder oxide film thickness particle size distribution mass fraction of active aluminum |
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