Advances in enhancing structural and functional fatigue resistance of superelastic NiTi shape memory alloy: A Review

Nargatti, Kiran Ishwar; Ahankari, Sandeep S.

doi:10.1177/1045389x211023582

Cited by 20 publications

(5 citation statements)

References 205 publications

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“…Since this study is focused on the low cycle fatigue behavior of SMAs, functional fatigue of SMAs have not been considered in this study. However, several studies (Nargatti and Ahankari, 2022; Shi et al, 2022; Woodworth et al, 2022) have been conducted in the past investigating the functional fatigue of SMA wires.…”

Section: Behavior Of Smas Under Cyclic Loadingmentioning

confidence: 99%

Mechanical properties and constitutive models of shape memory alloy for structural engineering: A review

Mohammadgholipour

Billah

2023

Journal of Intelligent Material Systems and Structures

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Shape Memory Alloys (SMAs) are an innovative material with the unique features of superelasticity and energy dissipation capabilities under extreme loads. Due to their unique features, they have a great potential to be employed in structural engineering applications under different conditions. However, in order to effectively use SMAs in civil engineering structures and model their behaviors accurately in Finite Element (FE) packages, it is crucial for structural engineers to comprehend the mechanical properties and cyclic behavior of different SMA compositions under varying loading conditions. While previous studies have focused mainly on the cyclic behavior of SMAs under tensile loading, it is important to evaluate their fatigue behavior under cyclic tension-compression loading for seismic applications. This literature review aims to discuss the current gaps in the existing literature on the behavior of SMA rebars under low-cycle fatigue (LCF). The review provides a comprehensive overview of the primary characteristics of SMAs, summarizes the mechanical properties of SMAs presented in the literature and the parameters that affect them, and critically evaluates the effects of cyclic loading and LCF on SMAs. The review also provides a summary of the different constitutive models of SMAs and compares their advantages and limitations, which helps structural engineers to employ an appropriate constitutive model for predicting the accurate behavior of SMAs in FE software.

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Section: Behavior Of Smas Under Cyclic Loadingmentioning

confidence: 99%

Mechanical properties and constitutive models of shape memory alloy for structural engineering: A review

Mohammadgholipour

Billah

2023

Journal of Intelligent Material Systems and Structures

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“…There are few reviews on the fatigue properties of porous nickel-titanium (SMAs). For instance, the progress in enhancing the structural and functional fatigue resistance of Ni-Ti SMAs has been reviewed by Nargatti et al [22]. Effective parameters for the final properties of Ni-Ti alloys manufactured using powder metallurgy were reviewed by Parvizi et al [23].…”

Section: Mechanical Response and Structure Fatigue Of Ni-ti Lattice S...mentioning

confidence: 99%

New Insights into the Mechanical Properties, Functional Fatigue, and Structural Fatigue of Ni-Ti Alloy Porous Structures

Tang

Liu

2023

Metals

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Ni-Ti shape memory alloys (SMAs) are widely noticed and have captured great interest due to their unique shape memory effect and super elasticity. Porous Ni-Ti SMAs have the typical characteristics of both porous metals as well as shape memory alloys. Because of the uneven stress distribution, cyclic loading has a more significant effect on the phase transformation and plastic deformation of Ni-Ti porous compared with Ni-Ti bulk. This paper overviews the structural and functional fatigue experiments and numerical simulation progress of Ni-Ti porous. The factors affecting the fatigue performance of the Ni-Ti lattice structure and the methods for enhancing its fatigue performance are elaborated. More importantly, the point of the coupling analysis of structural fatigue performance and functional fatigue performance is proposed for the study of porous Ni-Ti shape memory alloys.

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“…During thermomechanical loading, SMAs have the ability to regain their initial shape after mechanical unloading with or without heating (Kumar and Lagoudas, 2008; Uehara, 2010). Upon cooling and heating, it can recover large strains induced by martensitic transformation (Nargatti and Ahankari, 2022). The two main properties associated with SMAs are shape memory effect and superelasticity.…”

Section: Sma-p(vdf-trfe) Device Principlementioning

confidence: 99%

Processing of hybrid shape memory alloy coupled with P(VDF-TrFE) piezoelectric polymer composite for energy harvesting application

Sukumaran

Chatbouri

Badie

et al. 2022

Journal of Intelligent Material Systems and Structures

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Small-scale energy harvesting to power self-powered electronic devices is tremendously increasing. In this context, the ability to combine thermal and mechanical energy harvesting using smart materials deserves more attention for further study. We have presented the feasibility of using P(VDF-TrFE) piezoelectric polymer coupled with NiTi shape memory alloy (SMA) to harvest both mechanical and thermal energy in simple scalable devices. A novel hybrid composite consisting of SMA, and P(VDF-TrFE) has been developed without any complex composites or patterned structures, which couples the piezoelectric effect of the poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) and the shape memory effects of NiTi SMA. We have also fabricated a multi-layer SMA/PEN/P(VDF-TrFE) device using epoxy as an interface and bonding layer. During bending, the P(VDF-TrFE) device with an active area of 3.68 cm2 generated an output voltage of 8 V and an output power of 6.25 µW. When coupled with NiTi SMA to create a hybrid composite thermoelectric material, the device can convert the phase change associated with SMA, and thus thermal energy is converted to mechanical energy and finally into electrical energy. The SMA/P(VDF-TrFE) hybrid composite produced an output voltage of ∼2 V for one cyclic heating and cooling of the device. This is a promising approach for the further development of coupled hybrid energy harvester devices for the powering of small-scale electronic devices such as sensors, MEMS, or biomedical devices.

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Advances in enhancing structural and functional fatigue resistance of superelastic NiTi shape memory alloy: A Review

Cited by 20 publications

References 205 publications

Mechanical properties and constitutive models of shape memory alloy for structural engineering: A review

Mechanical properties and constitutive models of shape memory alloy for structural engineering: A review

New Insights into the Mechanical Properties, Functional Fatigue, and Structural Fatigue of Ni-Ti Alloy Porous Structures

Processing of hybrid shape memory alloy coupled with P(VDF-TrFE) piezoelectric polymer composite for energy harvesting application

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