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In this work, we studied fatigue fracture and crack in composite aircraft, in which we studied the composite structure made of glass fiber, first in the experimental part experiments were carried out on two laminate plate (carbon/ glass) with 8 plies, the first one controlled by ultrasonic method non destructive testing techniques (NDT) to detect cracks and also determine the mechanical characterization, and other traction experience on both plates then get the results, secondly, the simulation of composite structure allow as to deduce displacement, deformation, stress and strain, seven modes shapes and natural frequencies. The principal results founded after simulation, the principal results founded after simulation, the composite materials have attractive aspects like the relatively high compressive strength, good adaptability in fabricating thick composite shells, low weight, low density and corrosion resistance. The objective of this study is to compare the mechanical behavior of composites (carbon and glass) by means of a few tensile tests. From this study the CFRP and GFRP are best materials use in aircraft parts. The frequencies increase proportionally with each mode.

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Mechanical Characterization of Composites Structures Using the NDT

  • 会议论文

  • 发表日期：

    2026年

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  • B. Tablit,
  • A. Chellil,
  • S. Lecheb,
  • B. Safi,
  • A. Houari,
  • I. Gahlouz,
  • A. Djellab,
  • S. Amroune

摘要

In this work, we studied fatigue fracture and crack in composite aircraft, in which we studied the composite structure made of glass fiber, first in the experimental part experiments were carried out on two laminate plate (carbon/ glass) with 8 plies, the first one controlled by ultrasonic method non destructive testing techniques (NDT) to detect cracks and also determine the mechanical characterization, and other traction experience on both plates then get the results, secondly, the simulation of composite structure allow as to deduce displacement, deformation, stress and strain, seven modes shapes and natural frequencies. The principal results founded after simulation, the principal results founded after simulation, the composite materials have attractive aspects like the relatively high compressive strength, good adaptability in fabricating thick composite shells, low weight, low density and corrosion resistance. The objective of this study is to compare the mechanical behavior of composites (carbon and glass) by means of a few tensile tests. From this study the CFRP and GFRP are best materials use in aircraft parts. The frequencies increase proportionally with each mode.