| タイトル | Composite Silica Aerogels Opacified with Titania |
| 本文（外部サイト） | http://hdl.handle.net/2060/20090040050 |
| 著者（英） | Nesmith, Bill; DiStefano, Salvador; Paik, Jon-Ah; Fleurial, Jean-Pierre; Jones, Steven; Sakamoto, Jeffrey |
| 著者所属（英） | California Inst. of Tech. |
| 発行日 | 2009-11-01 |
| 言語 | eng |
| 内容記述 | A further improvement has been made to reduce the high-temperature thermal conductivities of the aerogel-matrix composite materials described in Improved Silica Aerogel Composite Materials (NPO-44287), NASA Tech Briefs, Vol. 32, No. 9 (September 2008), page 50. Because the contribution of infrared radiation to heat transfer increases sharply with temperature, the effective high-temperature thermal conductivity of a thermal-insulation material can be reduced by opacifying the material to reduce the radiative contribution. Therefore, the essence of the present improvement is to add an opacifying constituent material (specifically, TiO2 powder) to the aerogel-matrix composites. |
| NASA分類 | Technology Utilization and Surface Transportation |
| レポートNO | NPO-44732 |
| 権利 | Copyright, Distribution as joint owner in the copyright |
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