Development and relaxation of internal stresses in granular composites with an epoxy matrix |
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Authors: | A S Azheganov V P Begishev D A Gorinov S N Lysenko I N Shardakov |
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Institution: | (1) Perm’ State University, Perm’, 614990;(2) Institute of Technical Chemistry, Ural Division, Russian Academy of Sciences, Perm’, 614990;(3) Institute ofMechanics of Continuous Media, Ural Division, Russian Academy of Sciences, Perm’, 614013 |
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Abstract: | The development and relaxation of stresses in epoxy matrix-filler systems were studied experimentally under isotropic thermal
and baric effects. Data on the nuclear quadrupole resonance of the filler crystals were analyzed using an empirical model
for the relaxation processes in the matrix of the composite material. The effective stress-relaxation time was found to depend
on the temperature, external pressure, and the magnitude and type of deformations of the polymer matrix.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 47, No. 4, pp. 104–114, July–August, 2006. |
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Keywords: | relaxation granular composites nuclear quadrupole resonance |
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