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<p>The temperature increases in three types of brakes—metal, carbon fiber/carbon (C/C) composite, and carbon fiber/carbon-silicon carbide (C/C-SiC) composite—were analyzed using finite element (FE) analysis. Two types of FE models were employed: a two-dimensional (2D) axisymmetric model and a three-dimensional (3D) model. The FE analysis using the 2D model was validated against the experimental temperature–time profile reported in the literature. Both models indicated that the temperature increase of the C/C-SiC brake was the lowest, followed by a moderate increase for the metal brake, and a significantly higher temperature for the 0e C/C brake exhibited approximately 104 % and 190 % of the temperature of the C/C-SiC brake, respectively. The thermal conductivity in the thickness direction of the brake disc was identified as the primary factor contributing to the reduced temperature rise. These findings may provide valuable insights for designing an effective brake system and developing advanced brake materials.</p>

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Comparison of temperature rise in metal, C/C, and C/C-SiC brakes through numerical analysis

  • 期刊论文

  • 发表日期：

    2025年9月19日

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  • Jaehyuck Lee,
  • Hyunsuk Cho,
  • Hyunho Shin,
  • Sanghoon Kim,
  • Kyong Yop Rhee

摘要

The temperature increases in three types of brakes—metal, carbon fiber/carbon (C/C) composite, and carbon fiber/carbon-silicon carbide (C/C-SiC) composite—were analyzed using finite element (FE) analysis. Two types of FE models were employed: a two-dimensional (2D) axisymmetric model and a three-dimensional (3D) model. The FE analysis using the 2D model was validated against the experimental temperature–time profile reported in the literature. Both models indicated that the temperature increase of the C/C-SiC brake was the lowest, followed by a moderate increase for the metal brake, and a significantly higher temperature for the 0e C/C brake exhibited approximately 104 % and 190 % of the temperature of the C/C-SiC brake, respectively. The thermal conductivity in the thickness direction of the brake disc was identified as the primary factor contributing to the reduced temperature rise. These findings may provide valuable insights for designing an effective brake system and developing advanced brake materials.