Thermo-mechanical finite element modeling of shape memory materials' microindentation

Indentation of shape memory materials and later heating with recovery of indent is studied in this work using finite element modelling. Results of simulations of two types of shape memory materials, with one-way shape memory effect and with superelastic properties compared to experimental indentatio...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2016-04, Vol.130 (1), p.12054-12059
Main Authors: Perlovich, Yu A, Isaenkova, M G, Krymskaya, O A, Zhuk, D I
Format: Article
Language:English
Subjects:
Finite element method
Indentation
Indenters
Materials recovery
Mathematical models
Modelling
Recovery
Shape effects
Shape memory
Shape memory effect
Superelasticity
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Summary:Indentation of shape memory materials and later heating with recovery of indent is studied in this work using finite element modelling. Results of simulations of two types of shape memory materials, with one-way shape memory effect and with superelastic properties compared to experimental indentation with 200μm spherical indenter. Based on results of finite element modeling, several useful quantities plotted for loading, unloading and thermal recovery for various materials with shape memory effect. Recovery of imprint made with Berkovich (three-sided pyramid) compared to recovery of imprint made with spherical indenter.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/130/1/012054