Materials, physics and systems for multicaloric cooling
Calls to minimize greenhouse gas emissions and demands for higher energy efficiency
continue to drive research into alternative cooling and refrigeration technologies. The caloric …
continue to drive research into alternative cooling and refrigeration technologies. The caloric …
A revisit to atomistic rationale for slip in shape memory alloys
Performance degradation in shape memory alloys (SMA) arises due to a gradual loss of
strain recoverability attributable to slip mediated plasticity. The slip-induced changes in …
strain recoverability attributable to slip mediated plasticity. The slip-induced changes in …
Recoverability of large strains and deformation twinning in martensite during tensile deformation of NiTi shape memory alloy polycrystals
Superelastic NiTi wires were deformed in tension up to gradually increasing total strains at
various temperatures, recoverable strains were evaluated and lattice defects left in the …
various temperatures, recoverable strains were evaluated and lattice defects left in the …
Beyond the strain recoverability of martensitic transformation in NiTi
Tensile deformation of a medical grade NiTi wire was investigated in a wide temperature
range from− 100° C to 450° C. Supplemental in-situ electrical resistance, synchrotron x-ray …
range from− 100° C to 450° C. Supplemental in-situ electrical resistance, synchrotron x-ray …
Tensile deformation of superelastic NiTi wires in wide temperature and microstructure ranges
Superelastic NiTi wires were prepared from a single cold worked wire by various
electropulse heat treatments. The wires having a wide range of virgin microstructures were …
electropulse heat treatments. The wires having a wide range of virgin microstructures were …
Superelasticity and functional fatigue of single crystalline FeNiCoAlTi iron-based shape memory alloy
The development of Iron-based shape memory alloys is primarily motivated by the need for
a cost-effective alternative to NiTi. This work explores the superelastic and functional fatigue …
a cost-effective alternative to NiTi. This work explores the superelastic and functional fatigue …
Effect of Hf/Zr ratio on shape memory properties of high temperature Ni50. 3Ti29. 7 (Hf, Zr) 20 alloys
A series of Ni 50.3 Ti 29.7 (Hf, Zr) 20 (Zr= 0 to 20 at%) high-temperature shape memory
alloys were investigated to determine the effect of varying Hf/Zr ratio on shape memory …
alloys were investigated to determine the effect of varying Hf/Zr ratio on shape memory …
Additive manufacturing of Co-Ni-Ga high-temperature shape memory alloy: processability and phase transformation behavior
C Lauhoff, A Fischer, C Sobrero, A Liehr… - … Materials Transactions A, 2020 - Springer
Abstract Co-Ni-Ga high-temperature shape memory alloy is additively processed by
selective laser melting for the first time. Reversible martensitic transformation of the as-built …
selective laser melting for the first time. Reversible martensitic transformation of the as-built …
H-Phase precipitation and martensitic transformation in Ni-rich Ni–Ti–Hf and Ni–Ti-Zr high-temperature shape memory alloys
The distributions of H-phase precipitates in Ni 50.3 Ti 29.7 Hf 20 and Ni 50.3 Ti 29.7 Zr 20
alloys formed by aging treatments at 500 and 550° C or slow furnace cooling and their …
alloys formed by aging treatments at 500 and 550° C or slow furnace cooling and their …
[HTML][HTML] Whole martensitic transformation process in Fe–Mn–Si–Cr shape memory alloy by improved characterization of volume resistivity
Abstract Since Fe–Mn–Si–Cr shape memory alloy (Fe-SMA) has been discovered, an
improvement of the shape memory effect (SME) is challenged. Numerous attempts have …
improvement of the shape memory effect (SME) is challenged. Numerous attempts have …