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This research focuses on investigating the effects of layup structure and impact energy on carbon fiber composites' damage mechanisms and residual strength.

December 12, 2025Polymer Composites

Damage Mechanism and Residual Strength Prediction on Low‐Velocity Impact Tests of Carbon Fiber Composites With Different Layup Structures

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Authors

MGMingze GaoInner Mongolia University XWXi WangBeijing Institute of Fashion Technology XYXiaori YangInner Mongolia University of Technology

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Implication

Analysis reveals energy dissipation and strength responses in carbon fiber composites, suggesting optimal layup structures for impact resilience.

Key Points

This research focuses on investigating the effects of layup structure and impact energy on carbon fiber composites' damage mechanisms and residual strength.
Conducted low-velocity impact tests on composites with different layup structures.
Evaluated the response of specimens under impact energies ranging from 20 to 50 J.
Utilized regression analysis to establish quantitative relationships regarding residual strength.
The [(+45°/−45°)/(0°/90°)] 10s laminate shows superior energy retention at lower impact levels compared to [0°/90°] 20.
At thresholds above 40 J, [0°/90°] 20 exhibits enhanced structural integrity and energy dissipation through fiber-dominated mechanisms.
Key descriptors for residual strength identified include maximum displacement and damage area.

Cite This Study

Gao et al. (2025) studied this question.

synapsesocial.com/papers/694019222d562116f28f67de https://doi.org/10.1002/pc.70741

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Implication

Analysis reveals energy dissipation and strength responses in carbon fiber composites, suggesting optimal layup structures for impact resilience.

Damage Mechanism and Residual Strength Prediction on Low‐Velocity Impact Tests of Carbon Fiber Composites With Different Layup Structures

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Key Points

Cite This Study

Damage Mechanism and Residual Strength Prediction on Low‐Velocity Impact Tests of Carbon Fiber Composites With Different Layup Structures

Discussion

Member takes

Implication

Key Points

Cite This Study

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