Shape-formation in the processes of self-propagating high-temperature synthesis of foams |
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Authors: | M A Ponomarev Yu A Sapronov A S Shteinberg |
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Affiliation: | (1) Russian Academy of Sciences, Institute of Structural Macrokinetics, 142432 Chernogolovka |
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Abstract: | Self-propagating high-temperature synthesis of cylindrical specimens of foam cermet with a relatively large length (l/D≫1) is performed. A Ti+0.6C mixture containing foaming agent Na2B2O7·10H2O was used. The initial compacts were enclosed in burning paper shells, which during self-propagating high-temperature synthesis
made it possible to produce straight rods of foam ceramics, distinguished by an even surface. The dependence of the relative
elongation of the specimens on the shell thickness was established. The possibility of controlling the shape of the foam SHS
product by varying the slope of the combustion-front plane to the specimen axis was considered.
Translated fromFizika Goreniya i Vzryva, Vol. 34, No. 3, pp. 121–122, May–June 1998. |
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