Progress in phase field modeling of functional properties and fracture behavior of shape memory alloys
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 …
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 …
martensite variants which can describe the thermo-mechanical deformation of …
[HTML][HTML] Virtual modelling integrated phase field method for dynamic fracture analysis
A non-deterministic phase field (PF) virtual modelling framework is proposed for three-
dimensional dynamic brittle fracture. The developed framework is based on experimental …
dimensional dynamic brittle fracture. The developed framework is based on experimental …
Efficient phase-field simulation for linear superelastic NiTi alloys under temperature gradients
Engineering the martensitic transformation (MT) with exceptional and controllable properties
is essential for the innovative application of shape memory alloys (SMAs) in advanced …
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
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 …
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 …
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
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 …
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
Direct experimental characterization of indentation-induced martensitic microstructures in
pseudoelastic shape memory alloys (SMAs) is not possible, and thus there is a lack of …
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 …
coupling martensite transformation/reorientation (MT/MR) and crack behavior was …
[HTML][HTML] On the solution of unstable fracture problems with non-linear cohesive laws
Fracture mechanics models have well-known numerical challenges when implemented
within implicit quasi-static frameworks once the cumulative internal energy exceeds the …
within implicit quasi-static frameworks once the cumulative internal energy exceeds the …