Transactions of FAMENA, Vol. 45 No. 2, 2021.
Original scientific paper
https://doi.org/10.21278/TOF.452024020
Damage Analysis in Glass Fibre Reinforced Epoxy Resin via Digital Image Correlation
Ana Vrgoč
; Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb
Zvonimir Tomičević
; Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb
Andrija Zaplatić
; Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb
François Hild
; Université Paris-Saclay, ENS Paris-Saclay, CNRS, LMT - Laboratoire de mécanique et technologie, 91190 Gif-sur-Yvette, France
Abstract
The objective of the presented experimental study was to perform monotonic tensile tests and observe the damage occurring on the surface of a glass fibre mat reinforced epoxy resin. The experiments were performed on dogbone specimens machined from a 5.8 mm thick composite plate. The macroscopic response was obtained from the load data and 2D digital image correlation. The finite element-based Digital Image Correlation was employed to measure displacement fields and calculate strain fields across the entire region of interest. In addition, the grey level residuals extracted from the correlation analyses were utilized to detect discontinuities (i.e. damage initiation and growth) on the surface of the investigated specimens.
Keywords
Damage; Digital Image Correlation; registration residuals; glass fibre composite
Hrčak ID:
260100
URI
Publication date:
9.7.2021.
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