Elastocaloric cooling of shape memory alloys: A review
Elastocaloric cooling technology based on shape memory alloys (SMAs) exploits the caloric
effect generated by stress-induced phase transformation of elastocaloric materials to realize …
effect generated by stress-induced phase transformation of elastocaloric materials to realize …
Toward tunable mechanical behavior and enhanced elastocaloric effect in NiTi alloy by gradient structure
Tailoring properties of engineering materials to meet various application requirements is a
long-standing challenge in materials science. Here, we demonstrate an unprecedented …
long-standing challenge in materials science. Here, we demonstrate an unprecedented …
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 …
Solid-state refrigeration of shape memory alloy-based elastocaloric materials: A review focusing on preparation methods, properties and development
S Wang, Y Shi, Y Li, H Lin, K Fan, X Teng - Renewable and Sustainable …, 2023 - Elsevier
Sustainable development represents a vital global strategic goal. In the field of microcooling,
green and environmentally friendly solid-state refrigeration technologies show great …
green and environmentally friendly solid-state refrigeration technologies show great …
Improved elastocaloric cooling performance in gradient-structured NiTi alloy processed by localized laser surface annealing
The coefficient of performance of material (COP mat, the ratio of caloric effect to energy
dissipation), a key figure-of-merit for solid-state refrigerants, is significantly degenerated by …
dissipation), a key figure-of-merit for solid-state refrigerants, is significantly degenerated by …
Rediscovery of Hall-Petch strengthening in bulk ultrafine grained pure Mg at cryogenic temperature: a combined in-situ neutron diffraction and electron microscopy …
Grain refinement can lead to the strengthening of metallic materials according to the Hall-
Petch relationship. However, our recent results suggested that grain boundary sliding is the …
Petch relationship. However, our recent results suggested that grain boundary sliding is the …
Achieving great comprehensive elastocaloric cooling performances of superelastic NiTi by grain size engineering
Elastocaloric materials, as cutting-edge alternatives to hazardous refrigerants utilized in
vapor-compression systems, are promising for eco-friendly solid-state cooling, but their …
vapor-compression systems, are promising for eco-friendly solid-state cooling, but their …
Bending fatigue life enhancement of NiTi alloy by pre-strain warm surface mechanical attrition treatment
Many structures like medical stents made of superelastic NiTi shape memory alloy (SMA)
are subjected to cyclic bending loads and show a limited fatigue life due to crack nucleation …
are subjected to cyclic bending loads and show a limited fatigue life due to crack nucleation …
Temperature-dependent mechanical properties and elastocaloric effects of multiphase nanocrystalline NiTi alloys
Z Deng, K Huang, H Yin, Q Sun - Journal of Alloys and Compounds, 2023 - Elsevier
We investigate the temperature-dependent mechanical properties and elastocaloric effects
of different multiphase nanocrystalline NiTi alloys with grain sizes of 10 nm, 15 nm, 20 nm …
of different multiphase nanocrystalline NiTi alloys with grain sizes of 10 nm, 15 nm, 20 nm …
[HTML][HTML] Effect of heat treatment on microstructure and functional properties of additively manufactured NiTi shape memory alloys
Additive manufacturing of NiTi shape memory alloys has attracted attention in recent years,
due to design flexibility and feasibility to achieve four-dimensional (4D) function response …
due to design flexibility and feasibility to achieve four-dimensional (4D) function response …