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Properties of new polyimide foams and polyimide foam filled honeycomb composites

โœ Scribed by C. Resewski; W. Buchgraber

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
389 KB
Volume
34
Category
Article
ISSN
0933-5137

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โœฆ Synopsis

Abstract

New polyimide foams and polyimide foam filled honeycombs are currently being developed at NASA, its licensee Sordal Inc. (USA) and Newmet (UK) under the trade name Solrexยฎ. These materials are foreseen for Space, Aerospace, Maritime & Medicine applications. In this paper selected properties of these new materials with different densities are described.

The investigated key properties are compression strength, thermal conductivity and moisture gain. The dependence of these properties on density, temperature and thermal cycling is discussed. Limits of the used characterisation methods are discussed. Possible applications are defined.

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โœ Fu-Yu Hshieh; David B. Hirsch; Harold D. Beeson ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 141 KB

## Abstract The ignition, flaming and smoldering combustion of lowโ€density polyimide foam have been studied using a cone calorimeter. Lowโ€density polyimide foam exhibits a high ignition resistance. The minimum heat flux for the ignition of flaming combustion ranges from 48 to 54 kW/m^2^. This minim