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| Content Provider | Springer Nature Link |
|---|---|
| Author | Gamstedt, E. K. Talreja, R. |
| Copyright Year | 1999 |
| Abstract | The fatigue life behaviour and the underlying micromechanisms have been studied in two different Types of unidirectional carbon-fibre-reinforced plastics loaded in tension-tension along the fibre direction. The carbon fibres (AS4) were the same in the two composite systems. One thermoplastic matrix (polyetheretherketone, PEEK) and one thermosetting matrix (epoxy toughened with a thermoplastic additive) were used. The macroscopic fatigue behaviour was characterised by fatigue life diagrams. Surface replicas were taken intermittently during the course of the fatigue tests to monitor the active fatigue damage micromechanisms. The thermoset based composite showed a higher fatigue resistance with few microcracks initiated at distributed fibre breaks growing at a decelerating rate. The thermoplastic composite had a more pronounced fatigue degradation with a steeper fatigue life curve, which was caused by widespread propagating debonds and matrix cracks. The use of a tougher and more ductile matrix results in an inferior fatigue life performance, due to a more widely distributed accumulation of damage that propagates at a higher rate. |
| Starting Page | 2535 |
| Ending Page | 2546 |
| Page Count | 12 |
| File Format | |
| ISSN | 00222461 |
| Journal | Journal of Materials Science |
| Volume Number | 34 |
| Issue Number | 11 |
| e-ISSN | 15734803 |
| Language | English |
| Publisher | Kluwer Academic Publishers |
| Publisher Date | 1999-01-01 |
| Publisher Place | Boston |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Polymer Sciences Industrial Chemistry/Chemical Engineering Characterization and Evaluation Materials Mechanics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics |
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