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A new cumulative fatigue damage model for glass fibre reinforced plastic composites under step/discrete loading

journal contribution
posted on 06.12.2017, 00:00 by Jayantha Epaarachchi, P Clausen
This paper presents and discusses a new fatigue damage accumulation model for Glass Fibre Reinforced Plastics under step loading. This model was formulated from a single-step constant amplitude fatigue model previously developed by the authors. Fatigue damage is defined and quantified in this paper. The model was tested using independent experimental data and predictions were found to be in excellent agreement with this data. The model was found to give a damage index closer to unity than Palmgren–Miner sum and the models proposed by Broutman and Sahu and Hashin and Rotem. The model predictions were also in excellent agreement with the two-stage fatigue data for carbon/epoxy composites [0/90, + 45 2, 0/90], suggesting that this model may be valid for composite systems other than GFRP.

Funding

Category 1 - Australian Competitive Grants (this includes ARC, NHMRC)

History

Volume

36

Issue

9

Start Page

1236

End Page

1245

Number of Pages

10

ISSN

1359-835X

Location

Netherlands

Publisher

Elsevier

Language

en-aus

Peer Reviewed

Yes

Open Access

No

External Author Affiliations

Faculty of Engineering and Physical Systems; TBA Research Institute; University of Newcastle;

Era Eligible

Yes

Journal

Composites Part A: Applied Science and Manufacturing.

Exports

CQUniversity

Exports