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Properties of rigid polyurethane foams filled with glass microspheres

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Mechanics of Composite Materials Aims and scope

The effect of hollow glass microspheres with a density of 125 kg/m3 on the properties of low-density (54-90 kg/m3) rigid polyurethane foams is investigated. The thermal expansion coefficient of the foams and their properties in tension and compression in relation to the content of the microspheres (0.5-5 wt.%) are determined. An increase in the characteristics of the material in compression in the foam rise direction with increasing content of filler is revealed. The limiting content of the microspheres above which the mechanical characteristics of the filled foams begin to decrease is found. The distribution of the microspheres in elements of the cellular structure of the polyurethane foams is examined.

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Correspondence to V. Yakushin.

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Translated from Mekhanika Kompozitnykh Materialov, Vol. 48, No. 5, pp. 835-846, September-October, 2012.

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Yakushin, V., Bel’kova, L. & Sevastyanova, I. Properties of rigid polyurethane foams filled with glass microspheres. Mech Compos Mater 48, 579–586 (2012). https://doi.org/10.1007/s11029-012-9302-6

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  • DOI: https://doi.org/10.1007/s11029-012-9302-6

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