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Superelasticity, Shape Memory and Stability of Nitinol Honeycombs under In-plane Compression

Published online by Cambridge University Press:  31 January 2011

John A. Shaw ,
Petros A Michailidis ,
Nicolas Triantafyllidis  and
David S Grummon
John A. Shaw
Affiliation:
jashaw@umich.edu, University of Michigan, Aerospace Engineering, 1320 Beal Ave, Ann Arbor, Michigan, 48109, United States
Petros A Michailidis
Affiliation:
pamich@umich.edu, University of Michigan, Aerospace Engineering, Ann Arbor, Michigan, United States
Nicolas Triantafyllidis
Affiliation:
nick@umich.edu, University of Michigan, Aerospace Engineering, Ann Arbor, Michigan, United States
David S Grummon
Affiliation:
grummon@egr.msu.edu, Michigan State University, Chemical Engineering and Materials Science, East Lansing, Michigan, United States
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Abstract

Low density Nitinol shape memory alloy honeycombs were fabricated using a new Nb-based brazing method, which demonstrated enhanced shape memory and superelastic properties under in-plane compression. Adaptive, light-weight cellular structures present interesting possibilities for design of new architectures and novel applications. This paper presents an overview of ongoing work to address the multi-scale stability of superelastic, thin-walled, SMA honeycombs and the need for design and simulation tools.

Keywords

stress/strain relationshipjoiningcellular (material form)
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1188: Symposium LL – Architectured Multifunctional Materials , 2009 , 1188-LL05-04
Copyright
Copyright © Materials Research Society 2009

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