Abstract
The toughening behavior of short glass fiber reinforced toughened polymers was studied using fracture mechanics and microscopic techniques. The essential work of fracture (EWF) analysis shows that the inclusion of short glass fibers not only provided a stiffening effect but also a toughening influence. It was observed that rubber-related toughening and fiber-related toughening were competitive in nature for the reinforced, toughened nylon 6,6. When the matrix stress was substantially reduced by the presence of short fibers via the load-shedding mechanism, rubber toughening was severely curtailed. At higher fiber volume fractions, fiber pull-out work contributed significantly to the enhancement of the specific essential fracture work. Fiber-end plasticity was evident under microscopic examination. © 2002 Kluwer Academic Publishers.
| Original language | English |
|---|---|
| Pages (from-to) | 2659-2667 |
| Journal | Journal of Materials Science |
| Volume | 37 |
| Issue number | 13 |
| DOIs | |
| Publication status | Published - 1 Jul 2002 |
Bibliographical note
Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].Funding
The authors would like to thank the Nanyang Technological University for providing the financial support for this project under research grant RG 21/00. YWM is also supported by the Australian Research Council on fiber-toughened blends.
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