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Production & Quality 10 visualizações

Excessive porosity in carbon fiber composite materials

Fenómeno do problema
The internal porosity of the product is >2% and performance does not meet standards
Análise das causas
The resin does not fully wet the fibers and air is entrained; volatiles are not discharged during curing; molding pressure is insufficient
Solução
Optimize the resin wetting process (such as vacuum-assisted RTM); extend vacuuming time and pressure; add defoamers to the resin system
Conclusão principal
Porosity is the core indicator of carbon fiber composite quality control
porositywettingvacuum RTMvolatilesdefoamer

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