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Damage in Composites - Damage Development in Composite Materials & Structures – Models of Prediction

Organized by

Costas Galiotis

Composite materials perform a progressive damage development behavior consisting of various stages, such as matrix cracking, crack interaction, delamination and fiber fracture. The damage development sequence follows specific paths and, thus, could be predicted by analytical and/or numerical models. In this session improved models predicting damage development will be presented. Prediction of mechanical properties gradient due to damage comprises an important set of additional data for the designer.

Session Organizer: Costas Galiotis

FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR-265 04

Phone: +30 261 0 965 255, FAX : +30 261 0 965 223, E-mail: c.galiotis@iceht.forth.gr

Papers

1. Matrix crack initiation and propagation in CFRP laminates with off-axis plies

N. Vrellos, S L Ogin and P A Smith

Corresponding Author: S. L. Ogin

School of Engineering, University of Surrey, Guildford, GU2 7XH, UK

Phone: +44(0)1483 689614, FAX: +44(0)1483 689614, E-mail: S.Ogin@surrey.ac.uk

Co-authors:

N. Vrellos, School of Engineering, University of Surrey, Guildford, GU2 7XH, UK

P. A. Smith, School of Engineering, University of Surrey, Guildford, GU2 7XH, UK

2. Stiffness reduction and residual strains due to matrix cracking in angle-ply laminates

P. Lundmark, D. G. Katerelos, J. Varna and C. Galiotis

Corresponding Author: C. Galiotis

FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR – 265 04

Phone: +30 261 0 965 255, FAX: +30 261 0 965 223, E-mail: c.galiotis@iceht.forth.gr

Co-authors:

P. Lundmark, Dept of Applied Physics and Mechanical Engineering, Lulea University of Technology, SE 971 87, Lulea, Sweden

D. G. Katerelos, FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR-265 04

J. Varna, Dept of Applied Physics and Mechanical Engineering, Lulea University of Technology, SE 971 87, Lulea, Sweden

3. Stress Oscillation and Instability of Yielding in Polymers and Nanocomposites

D. E. Mouzakis, G. Kandilioti, S. Tzavalas and V. Gregoriou

Corresponding Author: V. Gregoriou

FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR-265 04

Phone: +30 261 0 965 205, FAX: +30 261 0 965 223, E-mail: gregoriou@iceht.forth.gr

Co-authors:

D. E. Mouzakis, FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR–265 04

G. Kandilioti, FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR-265 04

S. Tzavalas, FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR-265 04

4. Energy as a criterion for damage modeling in cross-ply composites

D. G. Katerelos, J. Varna and C. Galiotis

Corresponding Author: J. Varna

Dept of Applied Physics and Mechanical Engineering, Lulea University of Technology, SE 971 87, Lulea, Sweden

Phone: +46 (0)920-49 11 07, FAX: +46 (0)920-49 10 84, E-mail: Janis.Varna@ltu.se

Co-authors:

D. G. Katerelos, FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR-265 04

C. Galiotis, FORTH/ICE-HT, Stadiou str. Platani, PO Box 1414, Patras, Greece, GR- 265 04

5. Cracking models: Broken Parts”

P. W. R. Beaumont

Cambridge University, Engineering Department, Trumpington Street, Cambridge, CB2 1PZ, UK

Phone: +44 (0)1223 332762, FAX: +44 (0)1223 332662, E-mail: pwrb@eng.cam.ac.uk

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