| Citation: | FU T Y，YANG N，GU Y F，et al. Characterization of influence of fiber arrangement on CFRP induction heating curing process[J]. Journal of Beijing University of Aeronautics and Astronautics，2024，50（1）：198-207 （in Chinese） doi: 10.13700/j.bh.1001-5965.2022.0259
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In the process of using electromagnetic induction heating to achieve the curing and shaping of carbon fiber reinforced Polymer (CFRP) materials, accurately characterizing the property parameters of the material's various components is of utmost importance in studying temperature, degree of curing, and stress field distribution during the heating process. We have established a finite element microanalysis model for CFRP induction heating based on the actual fiber layup method for independently characterizing the various components of the material and the equivalent electro-magnetic-thermal properties of the carbon fiber shell. This model separates the fiber texture and resin matrix, allowing for a systematic analysis of the changes in physical fields within the internal fiber structure of CFRP during the induction heating process and their effects on the overall temperature variation of the material. Through this model, we have computed the variations in material temperature, degree of curing, and stress field distribution, revealing the influence of carbon fiber arrangement on the effectiveness of induction heating. Furthermore, we have validated the model's ability to accurately represent the distribution states of various physical fields through induction heating experiments. This model provides an effective computational framework and analytical approach for studying the changes in various physical fields during CFRP induction heating.
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