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July 24, 2026Scientific ReportsOpen Access

Temperature influence on the mechanical properties of CFRP laminates evaluated by DIC

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Authors

KFKatarzyna FalkowiczPRPatryk RóżyłoPWPaweł Wysmulski

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Overview

Randomized trial evaluates mechanics of CFRP laminates under temperature variations, suggesting temperature impacts material strength.

Key Points

  • The aim is to evaluate how temperature affects the mechanical properties of CFRP laminates.
  • CFRP laminates manufactured from Gurit EP137 prepreg were tested using a universal testing machine.
  • Mechanical properties were evaluated from −20 °C to 80 °C, using Digital Image Correlation for supported testing.
  • Tensile, compressive and shear properties were assessed within defined temperature ranges.
  • At temperatures between 20 °C and 80 °C, Young's modulus E₁ increased by approximately 8.2%.
  • E₂ and in-plane shear modulus G₁₂ decreased by approximately 34.6% and 58.5%, respectively.
  • Tensile strength FTU₀° decreased by 28.1%, while shear strength FSU₄₅° and compressive strengths FCU₀° and FCU₉₀° decreased by 41.3%, 49.4%, and 43.5% respectively.

Cite This Study

Falkowicz et al. (2026) studied this question.

synapsesocial.com/papers/6a6301d3395161722cd1659ehttps://doi.org/10.1038/s41598-026-62311-x
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