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April 12, 2024Polymer Composites

Effect of temperature on flexural and interlaminar shear strength properties of carbon‐epoxy composites: Experiment and modeling

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Authors

ANAditya NemaMNMallineni Chandra Babu NaiduPPPavan Kumar Penumakala

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Overview

Mechanical testing reveals linear reductions in flexural and interlaminar shear strength in carbon-epoxy composites up to 200°C, indicating empirical models can reduce high-temperature trials.

Key Points

  • Flexural strength and interlaminar shear strength decrease linearly as temperature rises from -20 to 200°C, transitioning failure mechanisms toward matrix plastic deformation.
  • Dynamic mechanical analysis revealed glass transition values of 177°C and 192°C in filament winding composites subjected to three-point bending across -20 to 200°C.
  • An empirical model utilizes baseline strength and storage modulus data to predict thermal degradation accurately, which removes the requirement for extensive high-heat tests.

Cite This Study

Nema et al. (2024) studied this question.

synapsesocial.com/papers/68e6f5edb6db64358766ff96https://doi.org/10.1002/pc.28399
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Also Consider

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  1. 1Mechanical properties of epoxy networks based on DGEBA and aliphatic amines2007 · 189 citations
  2. 2Evaluation and prediction of temperature-dependent tensile strength of unidirectional carbon fiber-reinforced polymer composites2011 · 111 citations
  3. 3Correlation of temperature dependences of macro- and micro-interfacial properties in carbon fiber/epoxy resin composite2012 · 12 citations