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Philosophical Magazine Letters

Volume 81, Issue 2, 2001

Extreme damping in compliant composites with a negative-stiffness phase

Extreme damping in compliant composites with a negative-stiffness phase

DOI:
10.1080/09500830010015332
R. S. Lakes

pages 95-100

Available online: 14 Nov 2010

Compliant composite unit cells were made with negative stiffness constituents. Flexible silicone rubber tubes were incorporated in a post-buckled condition to achieve negative stiffness. Large peaks in the mechanical damping tan delta were observed in these systems. Maximum damping was orders of magnitude in excess of the material damping of the silicone rubber.

 

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  • Available online: 14 Nov 2010

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