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논문 해외 국제전문학술지(SCI급) A Study on Crushing Behaviors of Composite Circular Tubes with Different Reinforcing Fibers

연구성과 설명 사진
  • 학술지 구분 국제전문학술지(SCI급)
  • 게재년월 2011-04
  • 저자명 Jung-Seok Kim, Hyuk-Jin Yoon, Kwang-Bok Shin
  • 학술지명 International J. of Impact engineering
  • 발행처명 ELSEVIER SCIENCE SA
  • 발행국가 해외
  • 논문언어 외국어
  • 전체저자수 3
  • 논문 다운로드 링크(외부) https://www.sciencedirect.com/science/article/pii/S0734743X10002022

논문 초록 (Abstract)

In this study, the failure modes and energy absorption capabilities of different kinds of circular tubes made of carbon, Kevlar, and carbon–Kevlar hybrid fibers composites with epoxy resin have been evaluated. The relationship between the crushing parameters (specific energy absorption, maximum peak load, mean crushing load) and the material properties for different fibers and patterns was also investigated. The fabric carbon/epoxy tubes had the best energy absorption capability (specific energy absorption of 81.7%). In contrast, the tubes made of Kevlar showed the worst energy absorption capability. Based on the linear regression analysis results, the crushing parameters generally showed good correlation with the compressive strength and shear modulus. In particular, the specific energy absorption of the tubes with the brittle fracture mode revealed the strongest correlation with the compressive strength (R-square value = 0.90).