Materials Reports  2021, Vol. 35 Issue (z2): 68-71 |
| INORGANIC MATERIALS AND CERAMIC MATRIX COMPOSITES |
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| Preparation of Hexapetalous Alumina Microsheet by Soft Template Method |
| ZHANG Kai1, GAO Benzheng2, GONG Min2, LUO Bo2, FAN Jinpeng1
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1 Institute of Advanced Structure Technology, Beijing Institute of Technology, Beijing 102488, China
2 China Academy of Launch Vehicle Technology, Beijing 100076, China |
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Abstract Al2(SO4)3 was used as aluminum source, P123 and ethylene glycol were used as soft template, Al2(SO4)3 concentration and solvothermal reaction time were controlled to synthesize hydride alunite microsheet with hexapetalous structure. The experimental results show that under the conditions of Al2(SO4)3 concentration 0.4 mol/L and reaction time 6 h, the morphology of the hexapetalous structure of hydrated ion alunite is optimal. The diameter and the thickness of particle is respectively about 5.5 μm and 1.6 μm. The hexapetalous structure can still remain intact with 800 ℃ treatment. X-ray diffraction analysis results show that the product is γ-Al2O3 with 800 ℃ treatment.
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Published: 09 December 2021
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| Fund:This work was financially supported by the Natural Science Foundation of China (51872029). |
About author:: Kai Zhang, a PhD student of Beijing Institute of Technology, 2019. Nowadays, he is mainly engaged in the research of ceramic materials.
Jinpeng Fan, Professor of Beijing Institute of Techno-logy, graduated from Tsinghua University in 2001 with a major in Mechanical Engineering and Automation, and received a PhD in Materials Science and Engineering from Tsinghua University in 2006. He has been engaged in the research and development of advanced multifunctional composite materials for a long time, undertook multiple scientific research tasks such as National Natural Science Foundation, National Defense 863, General Assembly Advanced Materials, Application Development, etc., authorized more than 20 invention patents, and successfully applied research results to multiple models of equipment. Won two first prizes for National Defense Science and Technology Progress, and was selected as a top-notch young talent in the Ten Thousand Talents Program in 2014. |
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