Functional fatigue of NiTi shape memory alloy: effect of loading frequency and source of residual strains
Due to latent heat release and the consequent thermomechanical coupling, NiTi SMAs are
highly rate sensitive. In this study, the effect of loading frequency on the functional …
highly rate sensitive. In this study, the effect of loading frequency on the functional …
Superelasticity degradation of NiTi shape memory alloy in wide ranges of temperature and loading level: Experimental observation and micromechanical constitutive …
In this work, cyclic tension-unloading tests with different peak strains (10%-18%) in the
temperature range from 313 K to 393 K are performed to investigate the effects of …
temperature range from 313 K to 393 K are performed to investigate the effects of …
Advances in enhancing structural and functional fatigue resistance of superelastic NiTi shape memory alloy: A Review
K Nargatti, S Ahankari - Journal of Intelligent Material …, 2022 - journals.sagepub.com
Nitinol (NiTi), a shape memory alloy (SMA) of nickel and titanium, exhibits two unique
properties: the shape memory effect and superelasticity. It is a material of choice for …
properties: the shape memory effect and superelasticity. It is a material of choice for …
Functional fatigue of superelasticity and elastocaloric effect for NiTi springs
In this work, the evolutions of superelasticity (SE) and elastocaloric effect (eCE) for NiTi
shape memory alloy (SMA) helical springs under cyclic deformation are investigated …
shape memory alloy (SMA) helical springs under cyclic deformation are investigated …
A multi-physics, multi-scale and finite strain crystal plasticity-based model for pseudoelastic NiTi shape memory alloy
A crystal plasticity-based constitutive model is developed to describe the thermomechanical
behavior of pseudoelastic NiTi single crystal. The model includes, for the first time in the …
behavior of pseudoelastic NiTi single crystal. The model includes, for the first time in the …
Cyclic degeneration of elastocaloric effect for NiTi shape memory alloy: Experimental observation and constitutive model
Based on the cyclic tension-unloading tests with various peak strains (4%-12%), the effect of
loading level on the cyclic deformation and evolution of elastocaloric effect (eCE) for NiTi …
loading level on the cyclic deformation and evolution of elastocaloric effect (eCE) for NiTi …
[HTML][HTML] An investigation on reorientation and textural evolution in a martensitic NiTi rolled sheet using EBSD
Variant reorientation is a ubiquitous phenomenon in shape memory alloys and has a great
influence on their texture and mechanical response. In the present study, a martensitic NiTi …
influence on their texture and mechanical response. In the present study, a martensitic NiTi …
Thermo-mechanically coupled functional fatigue of NiTi shape memory alloys under multiaxial cyclic loadings
In this work, the rate-dependent and loading path-dependent cyclic deformation behaviors of
super-elastic NiTi shape memory alloy (SMA) are investigated under multiaxial cyclic …
super-elastic NiTi shape memory alloy (SMA) are investigated under multiaxial cyclic …
Concentration of transformation-induced plasticity in pseudoelastic NiTi shape memory alloys: Insight from austenite–martensite interface instability
Transformation-induced plasticity (TRIP) in pseudoelastic polycrystalline NiTi shape memory
alloys (SMAs) is investigated through tensile tests combined with in-situ infrared and digital …
alloys (SMAs) is investigated through tensile tests combined with in-situ infrared and digital …
Texture induced planar anisotropy of dwell fatigue response in titanium: Insights from experiments and crystal plasticity simulations
This study elucidates the mechanism of texture induced planar anisotropy in ambient
temperature (∼ 25° C) dwell fatigue response of an annealed sheet of commercially pure …
temperature (∼ 25° C) dwell fatigue response of an annealed sheet of commercially pure …