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Compute the curvature of the bimetallic in given Exercise when it is subjected to a change of temperature ?T = 10 ?C.

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Compute the extensional [A], coupling [B], and bending stiffness [D] matrices of a bimetallic (copper and aluminum) strip with each lamina 2 mm thick. For aluminum E = 71 GP a, α = 23(10^-6 )/ ?C. For copper E = 119 GP a, α = 17(10^-6 )/ ?C. Assume the Poisson's ratio is 0.3 for both materials.

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