| WANG Jian-jun,SONG Wu_lin,GUO Lian-gui,XIE Chang-sheng.Study on Preparation of Surface Passivated Aluminum Nanopowders and Its Oxidation Mechanism[J],37(2):42-44,58 |
| Study on Preparation of Surface Passivated Aluminum Nanopowders and Its Oxidation Mechanism |
| Received:December 13, 2007 Revised:April 10, 2008 |
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| DOI： |
| KeyWord:Energetic materials Aluminum nanopowders Passivation Preparation Oxidization mechanism |
| Author | Institution |
| WANG Jian-jun |
State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering , Huazhong University of Science and Technology, Wuhan , China |
| SONG Wu_lin |
1. State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering , Huazhong University of Science and Technology, Wuhan , China;2. Analytical and Testing Center, Central China University of Science and Technology, Wuhan , China |
| GUO Lian-gui |
State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering , Huazhong University of Science and Technology, Wuhan , China |
| XIE Chang-sheng |
State Key Laboratory of Material Processing and Die & Mould Technology, School of Materials Science and Engineering , Huazhong University of Science and Technology, Wuhan , China |
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| Abstract: |
| Aluminum nanopowders were synthesized by high frequency induction evaporation condensation method, and aluminum nanopowders was treated by passivation in air. The influence of surface passivation treatment on the oxidization resistance of aluminum nanopowders was investigated by means of several techniques, such as TEM, ESEM, X-ray diffraction, differential thermal analysis. The results show that aluminum nanopowders treated by passivation with size from 15nm t0 60nm are covered by oxide layers with size from 3nm to Snm, and shape the core structure. Aluminum nanopowders have good oxidization resistance. It is very important for studying the mechanism of storing and activity protection about Aluminum nanopowders. |
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