The shear stress-strain curve for a unidirectional carbon/epoxy composite is given as T6 = G12(y -...

 

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The shear stress-strain curve for a unidirectional carbon/epoxy composite is given as T6 = G12(y - 15y) Calculate: (1) the shear modulus G2 using the series model (6'), (2) the longitudinal compressive strength of the composite when the fiber is misaligned by an angle of 1.5. (10') Carbon fiber: Ef = 15GPa, Ef = 235GPa, G2f = 27GPa, F12f = 260MPa, V = 0.7 Epoxy: Em = 4.3GPa, Gm = 1.60GPa. (16') The shear stress-strain curve for a unidirectional carbon/epoxy composite is given as T6 = G12(y - 15y) Calculate: (1) the shear modulus G2 using the series model (6'), (2) the longitudinal compressive strength of the composite when the fiber is misaligned by an angle of 1.5. (10') Carbon fiber: Ef = 15GPa, Ef = 235GPa, G2f = 27GPa, F12f = 260MPa, V = 0.7 Epoxy: Em = 4.3GPa, Gm = 1.60GPa. (16')

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