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Exploring composites based on PPO blend as ablative thermal protection systems – Part II: The role of equiaxial fillers

Similarly to the activity described in Part I, the PPO-based composites were studied in view of their pre-screening as potential candidates in innovative ablative shields. In this case equiaxial, oxide and non-oxide powders, precisely magnesium aluminate spinel, aluminum hydroxide (boehmite), δ- and...

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Published in:Composite structures 2012-02, Vol.94 (3), p.1060-1066
Main Authors: Fino, P., Lombardi, M., Antonini, A., Malucelli, G., Montanaro, L.
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Language:English
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creator Fino, P.
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description Similarly to the activity described in Part I, the PPO-based composites were studied in view of their pre-screening as potential candidates in innovative ablative shields. In this case equiaxial, oxide and non-oxide powders, precisely magnesium aluminate spinel, aluminum hydroxide (boehmite), δ- and α-alumina, silicon carbide, silicon nitride and molybdenum disilicide, were used as fillers. Nanometric and micrometric α-alumina and silicon carbide powders were exploited to investigate the effect of the particle size. The alumina-based composites presented the most promising behavior. On the other hand, molybdenum disilicide implied a significant decrease in thermal stability and combustion time.
doi_str_mv 10.1016/j.compstruct.2011.10.020
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source ScienceDirect Journals
subjects Ablation
Ablative materials
Alumina hydrate
Ceramic filler
Combustion
Fillers
Intermetallics
Molybdenum disilicides
Polymer–matrix composites (PMCs)
Silicon carbide
Thermal properties
Thermal protection
Thermoplastic resin
title Exploring composites based on PPO blend as ablative thermal protection systems – Part II: The role of equiaxial fillers
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