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Influence of the Loading Rate and the Concentration of an Active Diluent on the Strength of Epoxy Composites and Model Adhesive Compounds

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Abstract

A study has been made of the loading rate and the concentration of an active diluent on the shear strength of unidirectional epoxy glass‐ and carbon‐fiber‐reinforced plastics and the adhesion strength of the model compounds fiber–matrix. It has been shown that the values of the strength of the composites and the interface increase with the loading rate. As the concentration increases, the sensitivity to the loading rate follows a curve with a maximum in the adhesive compounds and it remains constant, in practice, in the composites. The results obtained have been employed in discussion of the mechanism of the process of failure of fiber‐reinforced plastics.

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Authors and Affiliations

  1. Russian Academy of Sciences, N. N. Semenov Institute of Chemical Physics, Moscow, Russia

    Yu. A. Gorbatkina & V. I. Solodilov

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  1. Yu. A. Gorbatkina
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  2. V. I. Solodilov
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Gorbatkina, Y.A., Solodilov, V.I. Influence of the Loading Rate and the Concentration of an Active Diluent on the Strength of Epoxy Composites and Model Adhesive Compounds. Journal of Engineering Physics and Thermophysics 76, 597–603 (2003). https://doi.org/10.1023/A:1024725115354

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