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Failure Mechanisms in Energy-absorbing Composite Structures
Johnson, Alastair and David, Matthew (2010) Failure Mechanisms in Energy-absorbing Composite Structures. Philosophical Magazine, 90 (31-32), pp. 4245-4261. Taylor & Francis. ISSN 1478-6435. (In Press)
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Abstract
The paper describes quasi-static tests to determine the energy absorption properties of composite crash energy absorbing segment elements under axial loads. Detailed computer tomography scans of failed specimens are used to identify local compression crush failure mechanisms at the crush front. These mechanisms are important for selecting composite materials for energy absorbing structures such as helicopter and aircraft subfloors. FE models of the failure processes are described which could be the basis for materials selection and future design procedures for crashworthy structures.
| Document Type: | Article | ||||||
|---|---|---|---|---|---|---|---|
| Title: | Failure Mechanisms in Energy-absorbing Composite Structures | ||||||
| Authors: |
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| Date: | 07 November 2010 | ||||||
| Journal or Publication Title: | Philosophical Magazine | ||||||
| Refereed publication: | Yes | ||||||
| In SCOPUS: | Yes | ||||||
| In ISI Web of Science: | Yes | ||||||
| Volume: | 90 | ||||||
| Page Range: | pp. 4245-4261 | ||||||
| Publisher: | Taylor & Francis | ||||||
| Series Name: | Philosophical Magazine | ||||||
| ISSN: | 1478-6435 | ||||||
| Status: | In Press | ||||||
| Keywords: | crashworthiness, energy absorption, composite material, finite-element modelling, compressive testing | ||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||
| HGF - Program: | Aeronautics | ||||||
| HGF - Program Themes: | L RR - Rotorcraft Research | ||||||
| DLR - Research area: | Aeronautics | ||||||
| DLR - Program: | L RR - Rotorcraft Research | ||||||
| DLR - Research theme (Project): | L - The Robust Rotorcraft | ||||||
| Location: | Stuttgart | ||||||
| Institutes and Institutions: | Institute of Structures and Design > Structural Integrity | ||||||
| Deposited By: | Dr.phil. Alastair Johnson | ||||||
| Deposited On: | 09 Jan 2011 18:20 | ||||||
| Last Modified: | 26 Feb 2013 15:02 |
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