Effect of surface finish on the durability of GRP sheets

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Journal titleMateriaux et constructions. Materials and Structures
Pages17583; # of pages: 93
Subjectsurface finishes; reinforced plastics; durability; lacquers; paints; glass fiber reinforced (grp) sheets; artificial weathering; natural weathering; scanning electron microscopy (sem); gel-coat protection; acrylic lacquer; conventional finish; Plastics
AbstractArtificial and natural weathering in conjunction with scanning electron microscopy (SEM) was used to study the effect of surface finish on the resistance to deterioration of GRP sheets. When exposed in a xenon arc weathering machine or to outdoor weathering, GRP sheets protected with either a gel-coat or an acrylic lacquer have considerably better resistance to deterioration than sheets with smooth, unprotected surfaces (conventional finish). Temperature- humidity cycling in conjunction with thermal gradients cause no deterioration in gel-coated sheets, but induce cratering in those coated with an acrylic lacquer. Sheets with conventional surface finish undergo usual deterioration in artificial or natural weathering after relatively short periods of exposure.
Publication date
AffiliationNRC Institute for Research in Construction; National Research Council Canada
Peer reviewedYes
NRC number17075
NPARC number20374367
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Record identifier413b6a3f-c76a-420d-af37-baade5a1c25a
Record created2012-07-23
Record modified2016-05-09
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