Stabilizing Effect of (100) Compound Twinning in NiTi Martensite

P. Šesták; Miroslav Černý; Jaroslav Pokluda

doi:10.4028/www.scientific.net/KEM.465.81

Paper Titles

Modeling of (121) Twin Boundaries in 2H Martensite
p.65

Ductile-Brittle Behavior along Crack Front and T-Stress
p.69

First Principles Study of Ideal Composites Reinforced by Coherent Nano-Fibres
p.73

Influence of Dislocations on the Spatial Variation of Microstructure in Martensites
p.77

Stabilizing Effect of (100) Compound Twinning in NiTi Martensite
p.81

Elastic Parameters of Various Rafted Structures of Model Ni-Base Alloys
p.85

Investigation of Plasticity in Silicon Nanowires by Molecular Dynamics Simulations
p.89

Microstructure, Fracture and Damage Mechanisms in Rare-Earth Doped Silicon Nitride Ceramics
p.93

Peierls Stresses Estimated from CRSS Vs. Temperature Curve and their Relation to the Crystal Structure
p.97

HomeKey Engineering MaterialsKey Engineering Materials Vol. 465Stabilizing Effect of (100) Compound Twinning in...

Stabilizing Effect of (100) Compound Twinning in NiTi Martensite

Abstract:

According to experimental findings, the martensite structure of NiTi is monoclinic (B19'). However, previous first principles calculations have shown that, after a full optimization of the lattice, the ideal martensite structure relaxed into orthorhombic B33 structure. Present calculations reveal that a presence of twins in a real martensite can stabilize the B19' structure.

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Periodical:

Key Engineering Materials (Volume 465)

Pages:

81-84

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.465.81

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Online since:

January 2011

Authors:

P. Šesták, Miroslav Černý, Jaroslav Pokluda

Keywords:

First-Principle, Martensitic Transformation (MT), NiTi, Shape Memory, Twin

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