Surface analysis of environmentally exposed painted composites manufactured from Quickstep and autoclave processes
Herring, Mandy L, Kelly, Georgina L, Mardel, James I and Fox, Bronwyn L 2005, Surface analysis of environmentally exposed painted composites manufactured from Quickstep and autoclave processes, in SAMPE Europe 2005 : Proceedings of the 26th International SAMPE Europe Conference 2005, SAMPE Europe Business Office, Paris, France, pp. 220-225.
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SAMPE Europe 2005 : Proceedings of the 26th International SAMPE Europe Conference 2005
Society for the Advancement of Material and Process Engineering Conference
SAMPE Europe Business Office
Place of publication
The surface finishes of laminates produced by Quickstep™ and autoclave processes for use in automotive outer skin panels were compared. Automotive quality, painted carbon fibre samples, manufactured via both processes, were exposed to typical exposure environments including combinations of temperature (70, 120, 170°C), UV-B, humidity (95% RH) and immersion in water.
The microscopy and surface roughness results demonstrated that the surfaces produced by the Quickstep process were less susceptible to damage in the aging environments than the surfaces of the autoclaved samples. Quickstep samples displayed surface bubbling of only 5 μm, compared to the autoclaved surface bubbles which reached a diameter of 30 mm before bursting, with complete delamination occurring between the paint and the composite. The surface roughness measurements revealed the autoclave samples (Ra = 0.72 μm) were up to three times the roughness of the Quickstep samples (Ra = 0.23 μm).
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Field of Research
090299 Automotive Engineering not elsewhere classified
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