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The influence of processing conditions on the aesthetical, morphological and me...
Esteves, F. R.; Carvalho, T. A.; Martins, Carla I.; Pouzada, A. S.The production of large plastic parts, in small series and at low cost, requires the development of alternative tools and materials. Structural foams (SF) are a good solution, when the production of thicker parts with good properties is the specification. They allow obtaining lightweight parts with high stiffness and good dimensional stability, due to their sandwich-like structure constituted by a cellular core...
Structure evolution during deformation of novel polymer systems based on poly(e...
Gomes, C. F. S.; Martins, Carla I.; Viana, J. C.Inorganic particles have been incorporated into poly(ethylene terephthalate), PET, matrix with the aim of offering some aesthetic effects to the standard transparent beverage packaging. To assess to the effect of different type of inorganic particles (with different interaction with the polymeric matrix) in the deformation behaviour of PET composites, particles such as aluminium, bronze, nanoclay, graphite and ...
Study of welding strengh in pvc profiles
Martins, Carla I.; Lima, F. A.; Duarte, F. M.Polyvinyl chloride, PVC, is one of the most widely produced and used plastic, being commonly used in civil industry due to its wide range of mechanical properties (from rigid to flexible), low cost, durability, and easy to assemble. Due to its good mechanical and thermal properties, PVC can be used to produce window and door frames, protecting the interior from the external actions, such as noise and temperatu...
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