Abstract
The contact of plastic components and media in use is often unavoidable. In addition to the influence of the medium on the mechanical properties, the occurrence of environmental stress cracks (ESC) is one of the most frequent causes of failure of plastic components in use. A significant improvement in the durability of plastics under the influence of the medium using a fibre reinforcement was shown in preliminary tests. But so far, there have been no fundamental investigations in the literature on this topic. The presented investigations deal with the influence of media on the mechanical behaviour and the occurrence of stress cracks under consideration of fibre reinforcement and its orientation. Therefore, a new test bench as well as tensile tests under media influence accompanied by acoustic emission measurement were used. Various media in combination with polycarbonate and polystyrene were investigated. Furthermore, a multiscale simulation based on molecular dynamics simulation as well as process and structure simulation was developed and validated.
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