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| Titel: |
Mechanical aspects of silicone coatings for hard foulant control |
| Auteur: |
Singer, Irwin L. Kohl, James G. Patterson, Marc |
| Verschenen in: |
Biofouling |
| Paginering: | Jaargang 16 (2000) nr. 2-4 pagina's 301-309 |
| Jaar: |
2000-11 |
| Inhoud: |
Barnacle release mechanisms and the durability of silicone coatings have been studied. Release studies were performed on both transparent, single-layer silicone coatings and duplex silicone coatings. The release forces of pseudobarnacles (epoxied studs) and Chesapeake Bay barnacles (Balanus improvisus) were measured with a pull-off (tension) tester; modes of release were revealed in video recordings of the separation process from transparent coatings on glass. Scratch tests with 0.8 mm spherically-tipped diamond provided a measure of durability (tear resistance). Release forces from both coatings decreased as coating thickness increased. Both pseudobarnacles and barnacles separated by a peeling process, although differences in peeling modes were seen. The durability of coatings increased with increasing coating thickness. Release behavior is discussed in terms of a fracture mechanic's model for pull-off separation, and the differences in adhesion between barnacles and pseudobarnacles are described. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 15 van 27 gevonden artikelen
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