Constitutive and transformation behavior of two-way shape memory (TWSM) nitinol

D. S. Ford, D. A. Hebda, Scott R. White

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Experimental data for 55/45 Ni-Ti alloy (Nitinol) is presented in this work for correlation to phenomenological and thermodynamic/micromechanical constitutive and transformation models for shape memory alloys. Hysteresis data is used to obtain the transformation temperatures Ms-martensitic start, Mf-martensitic finish, As-austenitic start, and Af-austenitic finish. Nitinol wires are mechanically tested in tension at five different temperatures: below Mf, at (Ms + Mf)/2, at (M2 + As)/2, at (As + Af)/2, and above Af. For the phenomenological models, several characterization parameters are required. These are obtained experimentally and the models are correlated with the data.

Original languageEnglish (US)
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
EditorsGary L. Anderson, Dimitris C. Lagoudas
PublisherSociety of Photo-Optical Instrumentation Engineers
Pages218-233
Number of pages16
ISBN (Print)0819417750
StatePublished - 1995
EventActive Materials and Smart Structures - College Station, TX, USA
Duration: Oct 10 1994Oct 12 1994

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume2427
ISSN (Print)0277-786X

Other

OtherActive Materials and Smart Structures
CityCollege Station, TX, USA
Period10/10/9410/12/94

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Applied Mathematics
  • Electrical and Electronic Engineering
  • Computer Science Applications

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