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Lookup NU author(s): Emeritus Professor Jim White
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Experiments were carried out to determine the changes in stress distributions in polystyrene bars caused by UV exposure. It was found that oxygen-diffusion-limited conditions cause the surface regions to suffer much more chain scission than has occurred in the interior of the moldings and that this enabled physical ageing to proceed much faster near to the surface. This caused the surface regions to densify more than the core.
Author(s): White JR; Arvidsson A
Publication type: Article
Publication status: Published
Journal: Journal of Materials Science Letters
Year: 2001
Volume: 20
Issue: 23
Pages: 2089-2090
ISSN (print): 0261-8028
ISSN (electronic): 1573-4811
Publisher: Kluwer Academic
URL: http://dx.doi.org/10.1023/A:1013701309055
DOI: 10.1023/A:1013701309055
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