Question: A rectangular plate of composite material is formed with unidirectional fibres orientated at 15 degrees to the longitudinal axis. The composite material has properties

A rectangular plate of composite material is formed with unidirectional fibres orientated at 15 degrees to

A rectangular plate of composite material is formed with unidirectional fibres orientated at 15 degrees to the longitudinal axis. The composite material has properties in the principal material directions of E = 285 GN/m, E = 45 GN/m, V12 = 0.28, V21 = 0.37 and G2 = 75 GN/m. A stress of 140 MN/m is applied to the plate on the longitudinal direction? What is the strain in this direction. Give you answer in micro-strain.

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