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Damage tolerance of pre-stressed composite panels under gas gun impact
Johnson, Alastair and Toso-Pentecote, Nathalie (2011) Damage tolerance of pre-stressed composite panels under gas gun impact. Deformation and Fracture of Composites DFC11, 13-15 April 2011, Cambridge, UK.
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Abstract
The paper describes a damage tolerance study carried out for EASA on the ‘Significance of Load upon Impact Behaviour of Composite Structure’ in the LIBCOS project. Currently impact tests on aircraft structures are carried out on test specimens supported in a test fixture in a stress-free condition. However aircraft fuselage and wing structures in flight are subjected to quasi-static loads up to design limit load, hence foreign object impacts usually occur on preloaded structures which may influence damage tolerance. LIBCOS studies experimentally the effect of preloads on impact damage in carbon/epoxy structures, and on subsequent residual strengths of damaged structures.
| Document Type: | Conference or Workshop Item (Speech) | ||||||
|---|---|---|---|---|---|---|---|
| Title: | Damage tolerance of pre-stressed composite panels under gas gun impact | ||||||
| Authors: |
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| Date: | April 2011 | ||||||
| Keywords: | damage tolerance, pre-stressed composite panel, gas gun test, residual strength | ||||||
| Event Title: | Deformation and Fracture of Composites DFC11 | ||||||
| Event Location: | Cambridge, UK | ||||||
| Event Type: | international Conference | ||||||
| Event Dates: | 13-15 April 2011 | ||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||
| HGF - Program: | Aeronautics | ||||||
| HGF - Program Themes: | L AR - Aircraft Research | ||||||
| DLR - Research area: | Aeronautics | ||||||
| DLR - Program: | L AR - Aircraft Research | ||||||
| DLR - Research theme (Project): | L - Structures & Materials | ||||||
| Location: | Stuttgart | ||||||
| Institutes and Institutions: | Institute of Structures and Design > Structural Integrity | ||||||
| Deposited By: | Nathalie Toso | ||||||
| Deposited On: | 06 Dec 2011 23:31 | ||||||
| Last Modified: | 06 Dec 2011 23:31 |
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