Abstract

Abstract The fracture during assembly of a radiator head produced from a nylon–short glass fibre composite is studied in the framework of complexities such as determining elastic constants and fracture stresses on the one hand and manufacturing problems such as distortion after moulding and deformations induced during assembly on the other. The combination of in situ measurements, SEM observation of fracture surfaces and reverse modelling of non-linear material properties permitted to make a sufficiently accurate estimate of the real mechanical behaviour of the material, as opposed to the properties mentioned in its data sheet. While the method was applied to solve a particular production problem, its applicability in process evaluation and redesign of injection-moulded short fibre composites is general.

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