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During the manufacturing process and operating conditions of multilayered fibre-reinforced composites with variable fibre orientations, residual stresses build up due to the directional expansion of the unidirectionally reinforced single layers. Dependent on the laminate lay-up, these inhomogeneous residual stresses, which are primarily caused by thermal eftects, moisture absorption and chemical shrinkage,...
Simulations of the injection moulding process of polypropylene with a glass fibre content were conducted using special software - MOLDFLOW PLASTICS INSIGHT ver. 4.1. A seven - parametric rheological Cross - WLF model was chosen for the research. For holding phase simulation as well as to determine the inner stresses and deformation of the parts, the pvT dependence should be known. The Tait equation...
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