Scholarlink

<p>In this paper, the compressive deformation characteristics and interlaminar failure damage behaviors of continuous carbon fiber Polycarbonate (PC) matrix composites under different loading rates were investigated using experimental and numerical simulation methods. The results show that the elastic modulus and inflexion stress of the composites vary with the strain rates. The composite shows better mechanical properties when the strain rate is 0.05&#xa0;s<sup>−1</sup>, and the debonding failure occurs earliest at the high strain rate. The stress–strain curve exhibits variation with off-axis angle under a specific strain rate. When the off-axis angle is 45°, the interlaminar shear stress is the greatest at the same stress level, which increases the likelihood of damage to the bond layer and reduces its bearing capacity. An off-axis angle of 73° represents the threshold for the occurrence of interlaminar slip damage. The occurrence of interlaminar slip damage is contingent upon the off-axis angle, with damage occurring when the angle is less than 73°. Conversely, when the angle is greater than 73°, the deformation characteristics are compression.</p> Graphical Abstract <p>Debonding behavior of CCFRP under compression</p> <p></p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

The interlaminar failure behavior and compression deformation characteristics of continuous carbon fiber reinforced polycarbonate-based multilayer composites

  • 期刊论文

  • 发表日期：

    2025年2月3日

查看全文
  • Han Liu,
  • Xianliang Yang,
  • Mengchun You,
  • Erqiang Liu,
  • Xin Hao,
  • Gesheng Xiao,
  • Jinbao Lin

摘要

In this paper, the compressive deformation characteristics and interlaminar failure damage behaviors of continuous carbon fiber Polycarbonate (PC) matrix composites under different loading rates were investigated using experimental and numerical simulation methods. The results show that the elastic modulus and inflexion stress of the composites vary with the strain rates. The composite shows better mechanical properties when the strain rate is 0.05 s−1, and the debonding failure occurs earliest at the high strain rate. The stress–strain curve exhibits variation with off-axis angle under a specific strain rate. When the off-axis angle is 45°, the interlaminar shear stress is the greatest at the same stress level, which increases the likelihood of damage to the bond layer and reduces its bearing capacity. An off-axis angle of 73° represents the threshold for the occurrence of interlaminar slip damage. The occurrence of interlaminar slip damage is contingent upon the off-axis angle, with damage occurring when the angle is less than 73°. Conversely, when the angle is greater than 73°, the deformation characteristics are compression.

Graphical Abstract

Debonding behavior of CCFRP under compression