Question 6 (a) The configuration of a carbon-epoxy laminate is (0/90), with a ply thickness of 2mm. Form the A, B and D

[answerhappygod]

Question 6 A The Configuration Of A Carbon Epoxy Laminate Is 0 90 With A Ply Thickness Of 2mm Form The A B And D 1 (136.45 KiB) Viewed 18 times

Question 6 (a) The configuration of a carbon-epoxy laminate is (0/90), with a ply thickness of 2mm. Form the A, B and D matrices and ascertain if the laminate possesses the following properties. (i) (ii) (iii) (iv) in-plane isotropy in-plane orthotropy bending isotropy bending orthotropy [15 marks] (b) The reduced stiffness matrix of a unidirectional carbon-epoxy is given by 200 3 0 Q= 3 100 kN/mm² 0 05 Given the stress system in the reference axes (X - Y) as Ox = 150N/mm², Oy = 50 N/mm² and Txy = 75 N/mm², determine the stress system in the material axes (1-2) when 0, the angle between the reference X-axis with the fibre axis, is 60°. [5 marks] (c) Determine the elastic constants E1, E2, G12 and V12 of a unidirectional ply given the a stiffness matrix as follows [5 marks] [40.51 2.03 0 [Q]= 2.03 8.10 0 GPa 0 0 5