Abstract
Abstract: Previous research on the ‘Characterization of the global deformation behaviour of engineering plastics rolls’ investigated the deformation behaviour of loaded Polyoxymethylene (POM) and Polyetheretherketone (PEEK) rolls regarding global considerations only. This study concentrates on the analysis of the local strain distribution in these rolls. For this purpose, the former component rolling tests were repeated and images of the front side of the rolls were taken. A full‐field strain analysis of the images was conducted for the static stage and the rolling process. The different behaviour of POM and PEEK under the investigated loading conditions, which has been discovered previously, could be confirmed in the local scale. Moreover, the results permit conclusions concerning the material behaviour under these loading conditions: Whilst POM shows typical viscoelastic properties, the behaviour of PEEK can be interpreted as elastic‐plastic combined with time dependence of the irreversible deformation part.
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