Factors Affecting the Damping in a Lap Joint

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Abstract
The problem of the geometric and surface factors affecting the interface damping in a lap joint is considered, and leads to suggestions on dimensional arrangements and surface treatments necessary to maximize this energy dissipation. It is shown that the width of the joint should be a minimum, and that any surface treatment of the interface should make it smoother and reduce the shear strength and local modulus. Gross slip should only be allowed to occur at occasional critical loadings.

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