研究目的
To study the effect of laser cutting parameters on thermal defects and related mechanical performance of CFRP laminates.
研究成果
The study concluded that laser cutting parameters significantly affect the thermal defects and mechanical performance of CFRP laminates. DIC technique effectively captured the full-field strain distribution, showing a correlation between high strain areas and failure modes. The findings can help in optimizing laser cutting processes for CFRP components in industries.
研究不足
The study focuses on the thermal damage and mechanical behavior under quasi-static tensile loading, but does not address dynamic loading conditions or other types of mechanical stresses.
1：Experimental Design and Method Selection:
The study employed fiber laser cutting to process CFRP laminates and used digital image correlation (DIC) technique to assess full-field strain distribution under tensile loading.
2：Sample Selection and Data Sources:
CFRP laminates made of high strength carbon fiber and AM8930A/B epoxy resin were used.
3：List of Experimental Equipment and Materials:
High power fiber laser (IPG YLS-5000), universal MTS testing machine, VIC-3D digital image correlation system.
4：Experimental Procedures and Operational Workflow:
Laser cutting was performed with varying parameters, followed by tensile testing with DIC analysis.
5：Data Analysis Methods:
The area of heat affected zone and delamination factor were measured to quantify thermal damage, and DIC was used to analyze strain distribution.
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