Kinetics of non-isothermal oxidation of AlN powder |
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| Authors: | Guo-Hua Zhang Xin-Mei Hou Kuo-Chih Chou |
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| Affiliation: | 1. Metallurgical and Ecological Engineering School, University of Science and Technology Beijing, Beijing 100083, China;2. School of Materials Science and Engineering, Shanghai University, Shanghai 20072, China;1. College of Materials Science and Engineering, Nanjing Tech University, Nanjing 210009, China;2. Jiangsu Collaborative Innovation Center for Advanced Inorganic Function Composites, Nanjing Tech University, Nanjing 211009, China;3. Nanjing Sanle Electronic Information Industry Group Co. Ltd., Pukou Economic Development Zone, Nanjing 211800, China;4. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China;1. Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology, Icheon, 17303, Republic of Korea;2. Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea;3. Ceramics Division, WONIK QnC Corporation, Gumi, 39425, Republic of Korea;1. School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, 430074, China;2. Key Lab of Functional Materials for Electronic Information(B), MOE, Huazhong University of Science and Technology, Wuhan, 430074, China;1. Shanghai Key Laboratory of Modern Metallurgy & Materials Processing, Shanghai University, Shanghai 200072, China;2. Department of Physical Chemistry, University of Science and Technology Beijing, Beijing 100083, China;1. Department of Energy Material and Technology, General Research Institute for Nonferrous Metals, Beijing 100088, China;2. School of Engineering and Technology, China University of Geosciences (Beijing), Beijing 100083, China |
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| Abstract: | The non-isothermal oxidation of AlN powder has been studied, based on which a new formula has been suggested to express the reacted fraction of the oxidation as a function of oxidation time, oxygen partial pressure, the particle size, as well as the temperature increasing rate explicitly. The application of this new model to the oxidation of AlN powder shows that this new model can give a more accurate and reasonable result. The diffusion activation energy of AlN powder is extracted to be 356.3 kJ/mol. |
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