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| 纳米SiO2基复合隔热材料吸水性能 | |
| 引用本文： | 封金鹏,倪文,陈德平,胡子君.纳米SiO2基复合隔热材料吸水性能[J].宇航材料工艺,2011,41(4):45-47. |
| 作者姓名： | 封金鹏 倪文 陈德平 胡子君 |
| 作者单位： | 1. 广西大学资源与冶金学院,南宁,530004 2. 北京科技大学土木与环境工程学院,北京,100083 3. 航天材料及工艺研究所,先进功能复合材料技术国防科技重点实验室,北京100076 |
| 摘 要： | 考察了纳米SiO2基复合隔热材料各组分添加量对吸水率的影响,同时针对复合材料吸水率高的问题,通过热处理和添加疏水纳米SiO2的方式来降低吸水率.结果表明:纳米Al2O3和无碱超细玻璃纤维对复合材料吸水率影响不大,添加锆英石会使材料吸水率升高.高温热处理会在一定程度上降低吸水率,但温度应控制在800℃以下.添加疏水纳米S... |
| 关 键 词： | 纳米SiO2 隔热材料 吸水率 |
Water Absorption Properties of Nano-SiO2 Based Thermal Insulating Composites |
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| Feng Jinpeng,Ni Wen,Chen Deping,Hu Zijun.Water Absorption Properties of Nano-SiO2 Based Thermal Insulating Composites[J].Aerospace Materials & Technology,2011,41(4):45-47. | |
| Authors: | Feng Jinpeng Ni Wen Chen Deping Hu Zijun |
| Institution: | Feng Jinpeng1 Ni Wen2 Chen Deping2 Hu Zijun3(1 School of Resources and Metallurgy,Guangxi University,Nanning 530004)(2 Civil & Environmental Engineering School,University of Science and Technology Beijing,Beijing 100083)(3 National Key Laboratory of Advanced Functional Composite Materials,Aerospace Research Institute of Materials & Processing Technology,Beijing 100076) |
| Abstract: | High water absorption for thermal insulations will decrease thermal insulating and mechanical properties.In this paper,the effects of components on water absorption were investigated.Moreover,regarding to the problem of high water absorption,thermal treatment and hydrophobic nano-silica were adopted to solve the problem.The results indicates that nano-alumina and E-glass has little effect on water absorption of the composites,and water absorption will increase with the addition of zirconite.Heat treatment c... |
| Keywords: | Nano-silica Thermal insulating composites Water absorption |
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