Abstract
High-pressure microwave curing of fiber-reinforced polymer composites exhibits prominent advantages of fast response, high efficiency, and low energy consumption due to the characteristic of selective volume heating. However, the slow and uncontrollable cooling process in the high-pressure electromagnetic environment will prolong the curing cycle and limit the realization of optimized curing processes in microwave method. And there is currently no suitable solution. Here, a circulation cooling system is invented in the high-pressure electromagnetic environment by the application of porous array electromagnetic shielding theory, which can ensure the microwave shielding and the gas circulation. Results show that the circulation cooling system can satisfy the requirements of microwave shielding more than 99%, the maximal cooling rate of 6°C/min and the cooling rate of this cooling system is 3.6 times higher than that of the traditional high-pressure microwave tank. We anticipate that solving the cooling problem is a step towards the industrial application of composite microwave curing and it will also have applications in heat dissipation of electronic equipment and protection of precision apparatus.
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The datasets generated and/or analyzed during the current study are available from the corresponding author on reasonable request.
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Funding
The reported research was funded by the National Natural Science Foundation of China (Ref. 51875288, 51775261, 52090052, and 51925505).
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Kai Ju: ideas, formulation of overarching research goals and aims, visualization, investigation. Yong Lu: development and design of methodology. Yongxi He: writing original draft preparation. Zexin Zhu: application of computational techniques. Xiaozhong Hao: supervision, data presentation.
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Ju, K., Lu, Y., He, Y. et al. Cooling system during high-pressure microwave curing based on electromagnetic shielding. Int J Adv Manuf Technol 113, 1331–1345 (2021). https://doi.org/10.1007/s00170-021-06655-w
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DOI: https://doi.org/10.1007/s00170-021-06655-w