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A Method for Evaluating the Change of Matrix Characteristics in Bulk Polymer Composites

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Abstract

Various cured binding agent specimens are investigated in order to determine principles of variation of microhardness values of matrix along their thickness. Microhardness measurements of cured binding agent are carried out on cross sections at the load on indenter of microhardness meter of 10 g (0.1 N). The studies show that the microhardness value of the plastic along the thickness of the specimens from the front surface of the specimen to its rear side changes according to a parabolic law with critical microhardness values in the core of the cross section of the semifinished product and direction of the parabolic curve is determined by the type of binder.

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Authors and Affiliations

  1. Ulyanovsk Scientific Technological Center, All-Russian Institute of Aviation Materials, 432010, Ulyanovsk, Russia

    E. A. Veshkin, V. I. Postnov & V. V. Semenychev

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  1. E. A. Veshkin
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  2. V. I. Postnov
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  3. V. V. Semenychev
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Correspondence to E. A. Veshkin.

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Translated by A. Muravev

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Veshkin, E.A., Postnov, V.I. & Semenychev, V.V. A Method for Evaluating the Change of Matrix Characteristics in Bulk Polymer Composites. Polym. Sci. Ser. D 14, 80–85 (2021). https://doi.org/10.1134/S1995421221010251

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