Numerical Simulation and Analysis of Unidirectional CFRP Drilling Temperature Field

College of Mechanical and Electrical Engineering, Hunan University of Science and Technology, Xiangtan 411201

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    In order to study the heat transfer rule and temperature distribution characteristics of carbon fiber reinforced polymer (CFRP) during drilling were studied .the heat transfer rule and temperature field distribution in unidirectional CFRP drilling were studied by homogenizing the material thermal physical properties and establishing the numerical simulation model of unidirectional CFRP drilling temperature field by COMSOL multiphysics.The investigation revealed that the temperature field at the outlet is elliptical, the minimum eccentricity e is 0.771, and the long axis of the ellipse is parallel to the fiber direction.?The experimental results show that the temperature errors of fiber direction and vertical fiber direction are 7.5% and 7.8% ,respectively, and the simulation results were in good agreement with the experimental results, which verifies the correctness of the numerical simulation model.

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  • Received:August 11,2020
  • Revised:September 03,2020
  • Adopted:September 04,2020
  • Online: May 05,2021
  • Published: April 25,2021