Effects of interfacial stress in phase field approach for martensitic phase transformation in NiAl shape memory alloys

AM Roy - Applied Physics A, 2020 - Springer
A phase field approach for phase transition between austenite to martensitic variants and
twinning between martensitic variants is presented with the main focus on the effects of …

On the phase field modeling of crack growth and analytical treatment on the parameters

GH Farrahi, M Javanbakht, H Jafarzadeh - Continuum Mechanics and …, 2020 - Springer
A thermodynamically consistent phase field model for crack propagation is analyzed. The
thermodynamic driving force for the crack propagation is derived based on the laws of …

Phase field study of the grain size and temperature dependent mechanical responses of tetragonal zirconia polycrystals: A discussion of tension-compression …

J Zhu, J Luo, Y Sun - Computational Materials Science, 2020 - Elsevier
In this paper, the asymmetric mechanical responses of tetragonal zirconia polycrystals
(TZPs) under uniaxial tension and compression are investigated by phase field (PF) …

A phase field model for dislocation climb under irradiation: Formalism and applications to pure bcc iron and ferritic alloys

GFB Moladje, L Thuinet, CS Becquart… - International Journal of …, 2020 - Elsevier
A phase-field model allowing to describe dislocation climb under irradiation is presented.
Whereas previous phase-field models of the literature devoted to this phenomenon only take …

Nanovoid induced martensitic growth under uniaxial stress: Effect of misfit strain, temperature and nanovoid size on PT threshold stress and nanostructure in NiAl

M Javanbakht, MS Ghaedi - Computational Materials Science, 2020 - Elsevier
In the present work, the effect of a pre-existing nanovoid on martensitic growth under
uniaxial stress in NiAl is investigated using the phase field theory. In order to create a pre …

Thermal induced nanovoid evolution in the vicinity of an immobile austenite-martensite interface

M Javanbakht, MS Ghaedi - Computational Materials Science, 2020 - Elsevier
In this paper, thermal induced nanovoid evolution in the vicinity of an immobile austenite (A)-
martensite (M) interface is studied. The phase field approach (PFA) to martensitic phase …

Formation of stress-and thermal-induced martensitic nanostructures in a single crystal with phase-dependent elastic properties

M Javanbakht, M Adaei - Journal of Materials Science, 2020 - Springer
In the present paper, the effect of phase-dependent elastic properties on martensitic phase
transformations (PTs) in a single crystal is investigated using the phase field approach. The …

Modeling and simulation of coupled phase transformation and stress evolution in thermal barrier coatings

F Sait, E Gurses, O Aslan - International Journal of Plasticity, 2020 - Elsevier
The thermally grown oxide layer is known to be responsible for the failure of coating systems
due to the generation of severely high stresses. In this work, oxidation induced stresses …

Effect of two-step bainite treatment on the morphology and texture of retained austenite and mechanical properties of austenitizing pretreated transformation-induced …

J Li, F Liu, S Wang, J Li, Y Liu, Q Meng - Materials Science and …, 2020 - Elsevier
In this paper, the experimental steel was treated with an austenitizing pretreatment followed
by a two-step bainite treatment. The volume fraction of the retained austenite was …

Analytical study on phase transition of shape memory alloy wire under uniaxial tension

Z Song - International Journal of Engineering Science, 2020 - Elsevier
This paper considers the stress-induced phase transitions of shape memory alloy slender
cylinder, and analytically studies the phase transition process and the associated instability …