What question did this study set out to answer?

To evaluate multi-orientation low-velocity impact damage in quasi-isotropic woven GFRP composites using Local Defect Resonance-based low-power vibro-thermography and phased array ultrasonic testing.

August 16, 2026Journal of Composite Materials

Experimental investigation of multi-orientation low-velocity impact damage in quasi-isotropic woven GFRP composite

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Authors

MSManish SharmaNational Institute of Technology Rourkela TBTanmoy BoseNational Institute of Technology Rourkela

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Implication

Experimental study demonstrates efficient impact damage detection in GFRP composites via vibro-thermography, highlighting rapid inspection capabilities.

Key Points

To evaluate multi-orientation low-velocity impact damage in quasi-isotropic woven GFRP composites using Local Defect Resonance-based low-power vibro-thermography and phased array ultrasonic testing.
Fabricated quasi-isotropic GFRP laminates via Vacuum Assisted Resin Transfer Moulding (VARTM).
Subjected specimens to low-velocity impacts varying spring compression (10, 15, 20, 25 mm), base plate angle (0°, 15°), and impactor orientation (45°, 90°, 135°, 180°).
Characterized internal damage using Phased Array Ultrasonic Testing (PAUT) and Local Defect Resonance-based low-power vibro-thermography (LDR-LVT) with infrared imaging.
LDR-LVT provided more effective detection of physical delamination and significantly faster inspection compared to standard PAUT.
Damage remained confined closer to the impacted surface when the impact energy stayed below a threshold of approximately 8 Joules.

Cite This Study

Sharma et al. (2026) studied this question.

synapsesocial.com/papers/6a8179cbf2fb91fc834ad1b6 https://doi.org/10.1177/00219983261477634

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Implication

Experimental study demonstrates efficient impact damage detection in GFRP composites via vibro-thermography, highlighting rapid inspection capabilities.

Experimental investigation of multi-orientation low-velocity impact damage in quasi-isotropic woven GFRP composite

Discussion

Member takes

Implication

Key Points

Cite This Study

Experimental investigation of multi-orientation low-velocity impact damage in quasi-isotropic woven GFRP composite

Discussion

Member takes

Implication

Key Points

Cite This Study

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