Coupled systems mechanics

  • 제10권6호
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  • Pages.545-560
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  • 2021
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  • 2234-2184(pISSN)
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  • 2234-2192(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

DOI QR Code

Damage characterization in fiber reinforced polymer via Digital Volume Correlation

  • Vrgoc, Ana (Laboratory of Experimental Mechanics, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb) ;
  • Tomicevic, Zvonimir (Laboratory of Experimental Mechanics, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb) ;
  • Smaniotto, Benjamin (Universite Paris-Saclay, ENS Paris-Saclay, CNRS, LMT-Laboratoire de Mecanique et Technologie) ;
  • Hild, Francois (Universite Paris-Saclay, ENS Paris-Saclay, CNRS, LMT-Laboratoire de Mecanique et Technologie)
  • 투고 : 2021.07.30
  • 심사 : 2021.11.09
  • 발행 : 2021.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

An in situ experiment imaged via X-ray computed tomography was performed on a continuous glass fiber mat reinforced epoxy resin composite. The investigated dogbone specimen was subjected to uniaxial cyclic tension. The reconstructed scans (i.e., gray level volumes) were registered via Digital Volume Correlation. The calculated maximum principal strain fields and correlation residual maps exhibited strain localization areas within the material bulk, thus indicating damage inception and growth toward the specimen surface. Strained bands and areas of elevated correlation residuals were mainly concentrated in the narrowest gauge section of the investigated specimen, as well as on the specimen ligament edges. Gray level residuals were laid over the corresponding mesostructure to highlight and characterize damage development within the material bulk.

키워드

과제정보

This work was conducted within the FULLINSPECT project supported by the Croatian Science Foundation (UIP-2019-04-5460 Grant). This work has been financially supported by the French "Agence Nationale de la Recherche", through the "Investissements d'avenir" program (ANR-10-EQPX-37 MATMECA Grant).

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