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Acoustic emission characterization of the temperature effect on falling weight impact damage in carbon/epoxy laminates

Boominathan, R. ; Arumugam, V. ; Santulli, C. ; Adhithya Plato Sidharth, A. ; Anand Sankar, R. ; Sridhar, B.T.N.

Composites Part B: Engineering, 1/2014, Vol.56, C, pp.591-598 [Peer Reviewed Journal]

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  • Title:
    Acoustic emission characterization of the temperature effect on falling weight impact damage in carbon/epoxy laminates
  • Author: Boominathan, R. ; Arumugam, V. ; Santulli, C. ; Adhithya Plato Sidharth, A. ; Anand Sankar, R. ; Sridhar, B.T.N.
  • Description: Unidirectional (0°) and cross-ply (0/90) carbon–epoxy laminates were subjected to falling weight impact loading with energy of 2.17 J, therefore not producing visible damage, at different temperatures (30, 55, 75 and 90 °C). Post-impact flexural tests were monitored using acoustic emission (AE). Both for unidirectional and 0/90 laminates an increase in residual flexural strength and resistance to impact was observed up to 75 °C, while an opposite trend was noticed closer to the glass transition temperature of the resin. From AE results it was observed that temperature and orientation play a non negligible role in altering the nature and extent of the different damage modes, namely matrix cracking, delaminations and fibre failure.
  • Is Part Of: Composites Part B: Engineering, 1/2014, Vol.56, C, pp.591-598
  • Identifier: ISSN: 13598368 ; DOI: http://dx.doi.org/10.1016/j.compositesb.2013.09.002
  • Subjects: A. Polymer–Matrix Composites (Pmcs) ; B. Impact Behaviour ; B. Mechanical Properties ; D. Acoustic Emission ; Temperature Effect ; Engineering
  • Language: English
  • Source: Elsevier (via CrossRef)

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