Damage assessment of impact damages on CFRP with laser shearography

R. Schoen, S.G. Pickering

Research output: Contribution to conferencePaper

Abstract

CFRP material becomes widely used in Aviation industry for substituting or complementing conventional material compositions. There are various advantages in comparison to conventional material that has been used so far, but also some disadvantages. Among those there is the difficulty to detect and estimate impact damages by visual inspection, as it has been carried out at e.g. aluminum material. CFRP material with its own particular behavior to impacts, caused by rough environments (e.g. stone, ice or bird impact, tool drop, etc.) makes visual inspection more difficult. Therefore investigation and defect estimation becomes more and more crucial in maintenance of composite material. The typical material behavior to an impact leaves only a small or even no visible indication on the material surface, but there is indeed a deeper damage extended in the material. Shearography full-field inspection method reveals the extension of the impact damages providing a base for decision of repair. This paper shows various impact damage examples on a CFRP stringer material with its extension into the material beyond the visible area. The metric impact determination allows obtaining data for comparison and/ or catalog of the defects.
Original languageEnglish
Publication statusPublished - 2012
Event15th European Conference on Composite Materials: Composites at Venice, ECCM 2012 - Venice, Italy
Duration: 24 Jun 201228 Jun 2012

Conference

Conference15th European Conference on Composite Materials: Composites at Venice, ECCM 2012
CountryItaly
CityVenice
Period24/06/1228/06/12

Fingerprint

Carbon fiber reinforced plastics
Lasers
Inspection
Stringers
Defects
Birds
Aviation
Ice
Repair
Aluminum

Cite this

Schoen, R., & Pickering, S. G. (2012). Damage assessment of impact damages on CFRP with laser shearography. Paper presented at 15th European Conference on Composite Materials: Composites at Venice, ECCM 2012, Venice, Italy.

Damage assessment of impact damages on CFRP with laser shearography. / Schoen, R.; Pickering, S.G.

2012. Paper presented at 15th European Conference on Composite Materials: Composites at Venice, ECCM 2012, Venice, Italy.

Research output: Contribution to conferencePaper

Schoen, R & Pickering, SG 2012, 'Damage assessment of impact damages on CFRP with laser shearography' Paper presented at 15th European Conference on Composite Materials: Composites at Venice, ECCM 2012, Venice, Italy, 24/06/12 - 28/06/12, .
Schoen R, Pickering SG. Damage assessment of impact damages on CFRP with laser shearography. 2012. Paper presented at 15th European Conference on Composite Materials: Composites at Venice, ECCM 2012, Venice, Italy.
Schoen, R. ; Pickering, S.G. / Damage assessment of impact damages on CFRP with laser shearography. Paper presented at 15th European Conference on Composite Materials: Composites at Venice, ECCM 2012, Venice, Italy.
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