Abstract
To further elucidate the interaction mechanism between infrared lamps and Carbon Fiber Reinforced Polymers (CFRP), this study establishes a relationship between the infrared lamp parameters and the radiation received by the surface of the carbon fiber prepreg, thereby deriving a model linking temperature to interlaminar bonding performance. Based on a controlled heat source model, the study accurately analyzes the impact of lay-up temperature on CFRP interlaminar bonding strength using the Cohesive Zone Model (CZM). The results show that Temperature measurements from infrared thermography and sensors mutually validate each other and align with theoretical analysis. Appropriate installation height and lamp radius significantly enhance the infrared irradiance. At low temperatures, interlaminar bonding strength increases with temperature, while at high temperatures, it decreases. The optimal lay-up temperature and maximum interlaminar bonding strength are identified.
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