Damping capacity in shape memory alloy honeycomb structures

M A Boucher, W Smith C, FL Scarpa, W Miller, R Hassan M

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

Abstract

SMA honeycombs have been recently developed by several Authors [1, 2] as innovative cellular structures with self-healing capability following mechanical indentation, unusual deformation (negative Poisson's ratio [3]), and possible enhanced damping capacity due to the natural vibration dissipation characteristics of SMAs under pseudoelastic and superelastic regime. In this work we describe the nonlinear damping effects of novel shape memory alloy honeycomb assemblies subjected to combine mechanical sinusoidal and thermal loading. The SMA honeycomb structures made with Ni48Ti46Cu6 are designed with single and two-phase polymeric components (epoxy), to enhance the damping characteristics of the base SMA for broadband frequency vibration.
Translated title of the contributionDamping capacity in shape memory alloy honeycomb structures
Original languageEnglish
Title of host publicationSmart Structures and Materials + NDE 2010, San Diego, CA
Publication statusPublished - 2010

Bibliographical note

Conference Organiser: SPIE
Other identifier: 7643-113

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