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Please can I get some help with this question? (b) A continuous aligned glass fibre-reinforced composite consists of 35 vol% of glass fibres having a
Please can I get some help with this question?
(b) A continuous aligned glass fibre-reinforced composite consists of 35 vol% of glass fibres having a modulus of elasticity of 70 GPa, and 65 vol% of a polyester resin with a modulus of 3.5 GPa. (i) Calculate the elastic modulus of this composite in the direction parallel to the fibres. [2 marks] (ii) If the cross-sectional area of the composite is 250 mmand a stress of 70 Pa is applied in the direction parallel to the fibres, calculate the load carried by the fibres and the load carried by the polymer matrix. [5 marks] (iii) What can you conclude from the calculation in part (ii)? [1 mark] (iv) Discuss what you would expect to happen if the load was applied in the direction perpendicular to the fibres. [3 marks]Step by Step Solution
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