Schematic curve of performance versus fibre level

Modelling of a real case reinforcement of PA 66 with short glass fibres [Pg.771]

Note in both cases that the specific tensile strength of glass fibres is very much higher than the specific tensile strength of the matrix. The ratio is 4.8 for dry samples and 3.5 at 50% RH. [Pg.771]

Note in both cases the optimistic modelled values for the low levels of fibres, with an overestimation of 17-18% for the composite reinforced with 10% glass fibre. [Pg.772]

the following examples of modelling are textbook cases that cannot be used for design purposes. [Pg.772]

The resistance of the composite in the reinforcement direction can be roughly estimated starting from a simple rule of mixtures, if the matrix transmits the load completely until failure [Pg.772]

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