Vibration-damping structural component

Details Vibration-damping structural component Vibration-damping structural component

1991-11-26

1994-08-16

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

248636, 248638, 248901, 428213, 428217, 428218, 4283166, 428461, B32B 702

Patent

active

053385993

ABSTRACT:
A laminated structural component with superior resistance to flexural vibions is provided comprising two load-bearing layers and a viscoelastic damping layer sandwiched therebetween. Each of the load-bearing layers comprises an outer stiffness sublayer and an inner compliant sublayer, the compliant sublayer being positioned between the outer stiffness sublayer and the viscoelastic damping layer. The compliant sublayers have an extensional elastic modulus which is less than that of the stiffness sublayers, and greater than that of the viscoelastic damping layer. The laminated structural component experiences greater relative in-plane displacements between the load-bearing layers, and preserves transverse static stiffness.

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patent: 4851271 (1989-07-01), Moore, III et al.
patent: 5063098 (1991-11-01), Niwa et al.
Practical Stand Off Damping Treatment for Sheet Metal.

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