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<p>In this study, the weathering resistances of glass-fiber-reinforced polymer G1 and two types of carbon-fiber-reinforced polymers, C1 and C2, were studied after six years of outdoor exposure in various climatic zones. Interlaminar shear tests were conducted at strain rates that differed by four orders of magnitude, and dynamic mechanical analyses of these materials were performed both initially and after weathering. Thermal activation analysis of the interlaminar shear test results was used to determine the thermodynamic strength parameter, <i>P</i><sub>sh</sub> and durability of the materials. It has been demonstrated that the greatest reduction in the service life of the materials occurs after exposure to the hot and humid climate of Gelendzhik.</p>

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Interlaminar Shear Strength Parameter, Durability Change and Other Properties of Carbon and Glass Fiber-Reinforced Polymers After Long-Term Weathering in Various Climatic Zones

  • 期刊论文

  • 发表日期：

    2026年7月1日

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  • Elena Vyacheslavovna Dvirnaya,
  • German Victorovich Kornienko,
  • Mark Grigorievich Petrov,
  • Oleg Vladimirovich Startsev

摘要

In this study, the weathering resistances of glass-fiber-reinforced polymer G1 and two types of carbon-fiber-reinforced polymers, C1 and C2, were studied after six years of outdoor exposure in various climatic zones. Interlaminar shear tests were conducted at strain rates that differed by four orders of magnitude, and dynamic mechanical analyses of these materials were performed both initially and after weathering. Thermal activation analysis of the interlaminar shear test results was used to determine the thermodynamic strength parameter, Psh and durability of the materials. It has been demonstrated that the greatest reduction in the service life of the materials occurs after exposure to the hot and humid climate of Gelendzhik.