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author:

Guan, C.-L. (Guan, C.-L..) [1] | Zhan, L.-H. (Zhan, L.-H..) [2] | Zhang, D.-C. (Zhang, D.-C..) [3] | Yao, S.-M. (Yao, S.-M..) [4] | Zhong, S.-C. (Zhong, S.-C..) [5] | Wang, B. (Wang, B..) [6]

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Scopus CSCD

Abstract:

Microwave heating technology is currently a prominent area of research in the field of composites curing due to its advantages, including selective heating, energy saving and high efficiency. However, the uneven distribution of electric field inside the cavity leads to asynchronous heating of composite components. This, in turn, results in severe deformation and curing defects, posing a major challenge that hinders the widespread industrial application of microwave process. In this paper, by combining nonlinear electromagnetic constitutive equations and power density functions, the correlation between the uniformity of electric field and the temperature distribution in composite components during microwave heating was elucidated. Finite element simulations were employed to investigate the influence of various regulation methods, such as the setting of generators, the introduction of mode stirrers, and the relative movement of loading platform, on the uniformity of electric field distribution. An experimental apparatus for regulating microwave heating uniformity was independently designed and developed, and a series of experiments were conducted to validate the accuracy of the simulation analysis and investigate the temperature variation in microwave-cured components under different regulation modes. Finally, an analysis was performed on the influence of temperature distribution during the curing process on the performance of composites. © 2023, Central South University.

Keyword:

carbon fiber reinforced composites finite element simulation mechanical properties microwave technology mode stirrers uniform heating device

Community:

  • [ 1 ] [Guan C.-L.]Fujian Provincial Key Laboratory of Terahertz Functional Devices and Intelligent Sensing, School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China
  • [ 2 ] [Guan C.-L.]College of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China
  • [ 3 ] [Zhan L.-H.]State Key Laboratory of Precision Manufacturing for Extreme Service Performance, Central South University, Changsha, 410083, China
  • [ 4 ] [Zhan L.-H.]Light Alloys Research Institute, Central South University, Changsha, 410083, China
  • [ 5 ] [Zhang D.-C.]Light Alloys Research Institute, Central South University, Changsha, 410083, China
  • [ 6 ] [Yao S.-M.]College of Mechanical and Electrical Engineering, Central South University, Changsha, 410083, China
  • [ 7 ] [Zhong S.-C.]Fujian Provincial Key Laboratory of Terahertz Functional Devices and Intelligent Sensing, School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China
  • [ 8 ] [Wang B.]Fujian Provincial Key Laboratory of Terahertz Functional Devices and Intelligent Sensing, School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, 350108, China

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Source :

Journal of Central South University

ISSN: 2095-2899

Year: 2023

Issue: 10

Volume: 30

Page: 3374-3394

3 . 7

JCR@2023

3 . 7 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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