What question did this study set out to answer?

This research aims to evaluate the repair accuracy and mechanical performance of CFRP structures using laser processing compared to conventional methods.

January 18, 2026Polymer Composites

Infrared‐Nanosecond Laser Stepped‐Scarf Repair: Accuracy and Mechanical Performance of Aircraft Composites Structures

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This research aims to evaluate the repair accuracy and mechanical performance of CFRP structures using laser processing compared to conventional methods.
Compared laser processing with pneumatic grinding for repairing CFRP structures.
Assessed machining accuracy including shape, dimensions, and depth.
Conducted mechanical performance tests including bending, impact, and CAI tests.
Utilized ultrasonic C-scan to evaluate damage suppression after repairs.
Laser processing achieved shape and dimensional accuracies of up to 99.9% and 99.0%, respectively.
Depth precision was controlled within ±10 μm.
Improved surface roughness and wettability enhance bonding in laser-processed CFRP.
Mechanical tests showed increased structural stiffness and better impact resistance for laser-repaired laminates.

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Implication

Comparative analysis shows laser processing enhances accuracy and performance in aircraft composite repairs, suggesting improved methods for manufacturing.

Cite This Study

Wang et al. (2026) studied this question.

synapsesocial.com/papers/696c77d4eb60fb80d13961c1 https://doi.org/10.1002/pc.70828

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Implication

Comparative analysis shows laser processing enhances accuracy and performance in aircraft composite repairs, suggesting improved methods for manufacturing.

Infrared‐Nanosecond Laser Stepped‐Scarf Repair: Accuracy and Mechanical Performance of Aircraft Composites Structures

Key Points

Discussion

Implication

Cite This Study

Infrared‐Nanosecond Laser Stepped‐Scarf Repair: Accuracy and Mechanical Performance of Aircraft Composites Structures

Key Points

Discussion

Implication

Cite This Study

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