EAN: 9783662546406

ON THE TIME AND TEMPERATURE DEPENDENT BEHAVIOUR...

The thesis investigates a polymeric laminate consisting of poly(methyl methacrylate) (PMMA) and
thermoplastic polyurethane (TPU) experimentally and numerically with regard to its impact
behaviour and applicability. After a basic characterization of the monolithic materials 
PMMA-TPU-PMMA laminates were subjected to impact loadings at velocities up to 5 m s using
threepoint bending and dart impact tests. Based on the experimental basis  different material
models for the Finite Element simulation are presented  which are able to capture the time and
temperature dependent behaviour of the laminate. Final validation experiments  consisting of
head-dummy impacts at 10 m s on automotive side windows  were conducted for PMMA and the
laminate in order to investigate their applicability as glass substitution products.

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