Degradation of Gel-Coat Layer in Glass/Polyester Laminate in Seawater Environment

M. Landowski; M. Budzik; K. Imielińska

doi:10.4028/www.scientific.net/SSP.183.107

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Degradation of Gel-Coat Layer in Glass/Polyester Laminate in Seawater Environment

Abstract:

Glass/polyester laminate coated with gelcoat layer of different thickness 0,5; 1,5; 3 mm was studied in terms of blistering behaviour and water sorption in hot water environment. Blistering was found to be accelerated for thin (0,5 mm) gel-coat layer compared to the thick (1,5; 3 mm), however no significant difference in blistering behaviour was observed between the laminates with gel-coat thickness 1,5 and 3 mm which may suggest that increasing the gel-coat thickness is effective only to a certain thickness limit. Microscopic studies demonstrated that blistering behaviour was related to the formation of subsurface cracks – longer and less densely distributed in thin gel-coat layers in contrast to numerous small cracks formed in the thick gel-coats.

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Periodical:

Solid State Phenomena (Volume 183)

Pages:

107-110

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.183.107

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Online since:

December 2011

Authors:

M. Landowski, M. Budzik, K. Imielińska

Keywords:

Durability, Polymer Composite, Scanning Electron Microscope (SEM)

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