基于二氧化硅气凝胶制备的多层隔热材料微观结构及热性能研究

doi:10.3724/SP.J.1077.2013.13070

无机材料学报 ›› 2013, Vol. 28 ›› Issue (7): 790-794.DOI: 10.3724/SP.J.1077.2013.13070 CSTR: 32189.14.SP.J.1077.2013.13070

• 研究快报 • 上一篇

基于二氧化硅气凝胶制备的多层隔热材料微观结构及热性能研究

盛晨, 于云, 于洋, 米乐, 唐根初, 宋力昕

(中国科学院上海硅酸盐研究所, 无机涂层重点实验室, 上海200050)

收稿日期:2013-01-30 修回日期:2013-03-07 出版日期:2013-07-20 网络出版日期:2013-06-19
作者简介:SHENG Chen(1986–), male, candidate of master degree. Email: shengchen09@gmail.com

Microstructure and Thermal Characterization of Multilayer Insulation Materials Based on Silica Aerogels

SHENG Chen, YU Yun, YU Yang, MI Le, TANG Gen-Chu, SONG Li-Xin

(Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China)

Received:2013-01-30 Revised:2013-03-07 Published:2013-07-20 Online:2013-06-19
About author:SHENG Chen(1986–), male, candidate of master degree. Email: shengchen09@gmail.com

摘要/Abstract

摘要： 成功制备了一种新型多层隔热材料, 其间隔层基于氧化铝纤维制备, 并由溶胶-凝胶法植入二氧化硅气凝胶颗粒。在高真空环境下(10^-3 Pa), 新型多层隔热材料当量热导率比传统材料低21.8%, 同时重量比传统材料降低了67.2%。此外, 这种新型多层隔热材料在1200 K的高温以及低真空条件下(100 Pa)也表现出良好的隔热性能。

关键词: 多层隔热材料, 二氧化硅气凝胶, 热导率

Abstract: A new kind of MLIMs are prepared, whose spacer is made from Al2O3 fiber mat, and silica aerogels is implanted on the surface of Al2O3?fiber through Sol-Gel process. In high vacuum (10^-3 Pa), the effective thermal conductivity of the new MILMs could be reduced by 21.8%, at the same time, the weight could be reduced by 67.2%. Furthermore, this MLIMs shows good insulation performance in high temperature of 1200 K and low vacuum (100 Pa).

Key words: multilayer insulations, silica aerogels, thermal conductivity

中图分类号:

TQ174

盛晨, 于云, 于洋, 米乐, 唐根初, 宋力昕. 基于二氧化硅气凝胶制备的多层隔热材料微观结构及热性能研究[J]. 无机材料学报, 2013, 28(7): 790-794.

SHENG Chen, YU Yun, YU Yang, MI Le, TANG Gen-Chu, SONG Li-Xin. Microstructure and Thermal Characterization of Multilayer Insulation Materials Based on Silica Aerogels[J]. Journal of Inorganic Materials, 2013, 28(7): 790-794.

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基于二氧化硅气凝胶制备的多层隔热材料微观结构及热性能研究

Microstructure and Thermal Characterization of Multilayer Insulation Materials Based on Silica Aerogels

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