Progress in phase field modeling of functional properties and fracture behavior of shape memory alloys

B Xu, C Yu, J Xiong, J Hu, Q Kan, C Wang… - Progress in Materials …, 2024 - Elsevier
Shape memory alloys (SMAs) have been widely employed in many engineering fields due
to their unique functional properties, such as super-elasticity, elastocaloric effect, and shape …

Phase field simulation on the super-elasticity, elastocaloric and shape memory effect of geometrically graded nano-polycrystalline NiTi shape memory alloys

B Xu, G Kang - International Journal of Mechanical Sciences, 2021 - Elsevier
ABSTRACT A two-dimensional non-isothermal phase field model considering multiple
martensite variants which can describe the thermo-mechanical deformation of …

[HTML][HTML] Virtual modelling integrated phase field method for dynamic fracture analysis

Y Liu, Y Feng, D Wu, X Chen, W Gao - International Journal of Mechanical …, 2023 - Elsevier
A non-deterministic phase field (PF) virtual modelling framework is proposed for three-
dimensional dynamic brittle fracture. The developed framework is based on experimental …

Efficient phase-field simulation for linear superelastic NiTi alloys under temperature gradients

T Xu, C Wang, Y Zhu, Y Wang, Y Yan, J Wang… - International Journal of …, 2023 - Elsevier
Engineering the martensitic transformation (MT) with exceptional and controllable properties
is essential for the innovative application of shape memory alloys (SMAs) in advanced …

[HTML][HTML] A multi-scale formulation for polycrystalline materials accounting for cohesive micro-cracks: Homogenisation of the traction-separation law

MV de Carvalho, IAR Lopes, FMA Pires - International Journal of Plasticity, 2023 - Elsevier
This contribution investigates the modelling of failure in polycrystalline materials due to the
nucleation and propagation of cohesive cracks at the micro-scale. First, a two-scale …

Toward tunable shape memory effect of NiTi alloy by grain size engineering: A phase field study

B Xu, C Wang, Q Wang - Journal of Materials Science & Technology, 2024 - Elsevier
The inelastic deformations of shape memory alloys (SMAs) always show poor controllability
due to the avalanche-like martensite transformation, and the effective control for the …

Improvement of superelasticity conditions in Cu-based shape memory alloys for seismic control applications

CD Medina, RA Herrera, JF Beltran - Engineering Structures, 2023 - Elsevier
Shape memory alloys (SMAs) are smart materials with self-centering characteristics that can
be used to reduce the earthquake damage to structures. In this paper, the optimal thermal …

Indentation-induced martensitic transformation in SMAs: Insights from phase-field simulations

M Rezaee-Hajidehi, K Tůma, S Stupkiewicz - International Journal of …, 2023 - Elsevier
Direct experimental characterization of indentation-induced martensitic microstructures in
pseudoelastic shape memory alloys (SMAs) is not possible, and thus there is a lack of …

Phase field simulation on the martensite transformation and reorientation toughening behaviors of single crystal NiTi shape memory alloy: Effects of crystalline …

J Xiong, B Xu, G Kang - Engineering Fracture Mechanics, 2022 - Elsevier
Abstract Based on the Ginzburg-Landau's theory, a two-dimensional phase field model
coupling martensite transformation/reorientation (MT/MR) and crack behavior was …

[HTML][HTML] On the solution of unstable fracture problems with non-linear cohesive laws

MV de Carvalho, IAR Lopes, FMA Pires - Engineering Fracture Mechanics, 2024 - Elsevier
Fracture mechanics models have well-known numerical challenges when implemented
within implicit quasi-static frameworks once the cumulative internal energy exceeds the …