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In-Situ Delamination Studies Using X-Ray Microtomography

[+] Author Affiliations
Ryszard Pyrz, Jens V. Nygaard

Aalborg University, Aalborg East, Denmark

Paper No. IMECE2002-33466, pp. 625-629; 5 pages
doi:10.1115/IMECE2002-33466
From:
  • ASME 2002 International Mechanical Engineering Congress and Exposition
  • Design Engineering
  • New Orleans, Louisiana, USA, November 17–22, 2002
  • Conference Sponsors: Design Engineering Division
  • ISBN: 0-7918-3628-2 | eISBN: 0-7918-1691-5, 0-7918-1692-3, 0-7918-1693-1
  • Copyright © 2002 by ASME

abstract

Considering existing microscopical techniques to study microstructures of materials, one can find that non-destructive information from the internal structure of an object in natural conditions can be obtained by transmission X-ray microscopy. Combination of X-ray transmission technique with tomographical reconstruction allows to get three-dimensional information about the internal microstructure. In this case any internal area can be reconstructed as a set of flat cross sections which can be used to analyse the two- and three-dimensional morphological parameters. For X-ray methods the contrast in the images is a mixed combination of density and compositional information which provides means for non-destructive reconstruction of the internal structure. The paper presents experimental results of crack propagation and fibre bridging glass fibre epoxy samples that were collected in-situ during loading in a X-ray scanner.

Copyright © 2002 by ASME
Topics: X-rays , Delamination

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