niti alloy energy storage
Grain growth-induced thermal property enhancement of NiTi shape memory alloys for elastocaloric refrigeration and thermal energy storage …
thermal energy storage capacity of a NiTi shape memory allo y (SMA) using the optical pum p-probe tech nique frequency-domain thermoreflectance and adv anced calorimetry techniques, respectively ...
Research on energy dissipation and dynamic recrystallization microstructure evolution behavior of NiTi alloy …
During the hot deformation process of NiTi alloy, different deformation conditions make the energy used for microstructure evolution different, resulting in different DRX evolution laws. The dislocation accumulates at the grain boundary to form DDRX, and then the dislocation density in the grain increases to meet the critical condition of CDRX …
Influence of NiTi alloy phase change heat-storage particles on thermophysical parameters, phase change heat-storage …
Phase change material is a high thermal storage substance, which can reduce temperature-related diseases of asphalt pavement when mixed with asphalt mixture this paper, NiTi alloy phase change heat-storage asphalt mixture (NiTi APCHAM) are prepared by using equal volume parts to replace fine asphalt aggregates …
Excellent damping properties and their correlations with the microstructures in the NiTi alloys fabricated by laser-directed energy …
The NiTi alloys have superior damping properties, which mainly originate from the stress-induced martensite phase transformations. The stress-induced martensite phase transformation can be improved by the intrinsic Ni 4 Ti 3 precipitation in the NiTi alloys fabricated by laser-directed energy deposition (L-DED), making L-DED a …
Solid-State Thermal Energy Storage Using Reversible Martensitic Transformations …
1), combined with the measured density and latent heat. This FOM value is reported in Figure 2. Transformation temperatures ranging from -50 to 330°C, latent heats from 9.1 to 35.1 J/g, and Austenite thermal conductivities from 15.6 to 28 W/m·K have been reported for NiTi-based materials in the literature.
Energy | NITI Aayog
NITI Aayog collaborated with Indian Space Research Organisation (ISRO) to develop a comprehensive Geospatial Energy Map of India, which provides a holistic picture of India''s energy sector. This includes the visualisation of spatial and non-spatial data on renewable and non-renewable power plants, oil and gas downstream sector, renewable energy …
Heat treatment of NiTi alloys: Influence of volumetric energy …
In the case of Ti-rich NiTi alloys, the precipitation of semi-coherent nanoscale NiTi 2 phase (<12 nm) [29] within the NiTi matrix is dominant at lower ageing temperatures (400–450 C) [64, 65]. This changes the local strains and the resulting E, and the study by Nam et al. [ 66 ], reported that NiTi 2 increase apparent elastic modulus from …
NiTi Super Elastic Shape Memory Alloys for Energy Dissipation in …
Shape Memory Alloys (SMAs) have attracted the attention of a wide range of researchers from several disciplines. This is because they possess very special and unusual properties and have potential for use in numerous applications. The nuances and subtleties associated with these unusual properties indeed pose challenges for the discerning researcher and …
Characteristics of energy storage and dissipation in TiNi shape memory alloy …
The characteristics of energy storage and dissipation in TiNi shape memory alloys were investigated experimentally based on the superelastic properties under various thermomechanical loading conditions. The influence of strain rate, cyclic loading and temperature-controlled condition on the characteristics of energy storage and …
Fabrication of Ni-Ti-O nanotube arrays by anodization of NiTi alloy and their potential applications
Abstract. Nickel-titanium-oxide (Ni-Ti-O) nanotube arrays (NTAs) prepared on nearly equiatomic NiTi alloy shall have broad application potential such as for energy storage and biomedicine, but their precise structure control is a great challenge because of the high content of alloying element of Ni, a non-valve metal that cannot form a compact ...
NiTiHf shape memory alloys as phase change thermal storage …
Thermal energy storage Shape memory alloys NiTiHf Thermophysical properties a b s t r a c t Motivated the advancements demonstratingrecent the effectiveness NiTi shape memory alloys (SMAs) as high figure of merit (FOM) phase change materials age, NiTiHf ...
Achieving tunable graded functional properties of NiTi shape memory alloy…
The functionally graded (FG) NiTi shape memory alloy (SMA) with both Ni-rich domain (exhibiting superelasticity, called as SE domain) and Ti-rich one (exhibiting shape memory effect, called as SME domain) was reported to exhibit a novel mechanical response with high displacement control accuracy. In this work, we first establish a phase …
Sheet-like NiCo-layered double hydroxide anchored on NiTi alloy …
Supercapacitors, as energy storage devices, have attached extensive attention in recent years owing to their high power density, fast charge–discharge rate, and long cycling lifespan [1,2,3,4]. Flexible and wearable electronic products are increasingly widely used in industry and human daily life.
Preparation and Investigation of NiTi Alloy Phase-Change Heat Storage …
DOI: 10.1061/(asce)mt.1943-5533.0003338 Corpus ID: 225307977 Preparation and Investigation of NiTi Alloy Phase-Change Heat Storage Asphalt Mixture @article{Ma2020PreparationAI, title={Preparation and Investigation of NiTi Alloy Phase-Change Heat Storage ...
Grain growth-induced thermal property enhancement of NiTi shape memory alloys for elastocaloric refrigeration and thermal energy storage …
We use a solution anneal process to induce grain growth in Ni 50.75 Ti shape memory alloys (SMAs). Grain size ranges from 40 ± 30 nm to 60 µm. • Both thermal conductivity and thermal energy storage capacity are shown to increase with grain size, contrary to typical performance degradation upon the insertion of thermal conductivity …
High-Superelasticity NiTi Shape Memory Alloy by Directed Energy …
Shape memory alloy is a new type of functional material with shape memory effect and superelasticity. NiTi shape memory alloy with near equal atomic ratio exhibits excellent shape memory effect and superelasticity [], good biocompatibility [2, 3], corrosion resistance [] and low elastic modulus [], which has been widely used in …
High-entropy Ti-Zr-Hf-Ni-Cu alloys as solid-solid phase change materials for high-temperature thermal energy storage
High-entropy alloys are demonstrated for the first time as high-performance thermal energy storage materials (TESMs). • Phase transition temperatures of Ti-Zr-Hf-Ni-Cu TESMs can be precisely tuned in a broad high-temperature range. • …
High-Capacity High-Power Thermal Energy Storage Using Solid …
The latent heat was shown to increase by 230%, from 12 to 28 Jg-1 (183.1 MJm-3) for the solution annealed material. As shown by the DSC results in Figure 2b, 1-octadecanol has an endothermic transformation near 60 ̊C, reverse transformation near 46 ̊C, and a mass-specific latent heat of 225 kJkg-1 (182.25 MJm-3).
(PDF) Fabrication of rutile – TiO2 nanowire on shape memory alloy: A potential material for energy storage application …
For example, Khanna et al. [18] fabricated a TiO 2 @NiTi system for use as an electrode in energy-storage applications, and this material produced a specific capacitance of~1 F g −1 .
Shape Memory Alloys as Phase Change Materials for Thermal Energy Storage
Shape memory alloys (SMAs) have recently been demonstrated as effective phase change materials for thermal energy storage owing to their ability to undergo thermally driven reversible martensitic transformations. NiTi SMAs show excellent performance in high heat flux and transient thermal energy storage as quantified by Lu''s figure of merit ...
Influence of NiTi alloy phase change heat-storage particles on thermophysical parameters, phase change heat-storage …
Semantic Scholar extracted view of "Influence of NiTi alloy phase change heat-storage particles on thermophysical parameters, phase change heat-storage thermoregulation effect, and pavement performance of asphalt mixture" by K. Wei et al. DOI: 10.1016/J.RENENE.2019.04.026
NiTi shape memory alloy: Unraveling the role of internal friction in …
The NiTi wire in the superelastic tire design is likely related to the alloy''s ability to dissipate mechanical energy during deformation events effectively. This energy dissipation process often involves internal friction mechanisms within the NiTi alloy, making it a suitable choice for applications where shock absorption and adaptability are crucial.
Exploring surface oxidation behavior of NiTi–V alloys
Thus, NiTi–0.4V alloy shows Class-I transformation as NiTi–4V alloy exhibits Class-II-type phase transformation. A possible reason for the Class-II transformation is revealed as higher elastic energy storage during phase transformation in SMAs.
Influence of NiTi Alloy Phase Change Heat-storage Particles on Thermophysical Parameters, Phase Change Heat-storage …
In this paper, NiTi alloy phase change heat-storage asphalt mixture (NiTi APCHAM) are prepared by using equal volume parts to replace fine asphalt aggregates partially with the NiTi alloy phase change energy-storage particles (NiTi APCEP).
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