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High temperature shape memory alloys
Shape memory alloys (SMAs) with high transformation temperatures can enable
simplifications and improvements in operating efficiency of many mechanical components …
simplifications and improvements in operating efficiency of many mechanical components …
Impurity levels and fatigue lives of pseudoelastic NiTi shape memory alloys
In the present work we show how different oxygen (O) and carbon (C) levels affect fatigue
lives of pseudoelastic NiTi shape memory alloys. We compare three alloys, one with an …
lives of pseudoelastic NiTi shape memory alloys. We compare three alloys, one with an …
Elementary transformation and deformation processes and the cyclic stability of NiTi and NiTiCu shape memory spring actuators
The present work addresses functional fatigue of binary NiTi and ternary NiTiCu (with 5, 7.5,
and 10 at. pct Cu) shape memory (SM) spring actuators. We study how the alloy composition …
and 10 at. pct Cu) shape memory (SM) spring actuators. We study how the alloy composition …
Compressive stress-induced martensitic transformation and elastocaloric effect in Cu-Al-Mn single-crystal alloy
In this study, the strain distribution and elastocaloric effect during compression of a
superelastic [116]-oriented single-crystal Cu–Al–Mn shape memory alloy were investigated …
superelastic [116]-oriented single-crystal Cu–Al–Mn shape memory alloy were investigated …
Improvement of NiTi shape memory actuator performance through ultra‐fine grained and nanocrystalline microstructures
Ultra‐fine grain sizes have been shown to enhance some key mechanical and functional
properties of engineering materials, including shape memory alloys. While the effect of ultra …
properties of engineering materials, including shape memory alloys. While the effect of ultra …
Superelastic fatigue of columnar-grained Cu-Al-Mn shape memory alloy under cyclic tension at high strain
JL Liu, HY Huang, JX **e, S Xu, F Li - Scripta Materialia, 2017 - Elsevier
Abstract Columnar-grained Cu-Al-Mn shape memory alloy (SMA) exhibits excellent
superelastic fatigue properties at high strain amplitude, and its functional fatigue life reaches …
superelastic fatigue properties at high strain amplitude, and its functional fatigue life reaches …
Transformation stress of shape memory alloy CuZnAl: Non-Schmid behavior
We establish an atomistically-informed model for predicting the non-Schmid behavior of
critical stresses for bcc to orthorhombic (L2 1 to 18R) martensitic transformation in CuZnAl …
critical stresses for bcc to orthorhombic (L2 1 to 18R) martensitic transformation in CuZnAl …
Cyclic stress-strain response of directionally solidified polycrystalline Cu-Al-Ni shape memory alloys
Our previous study developed a polycrystalline Cu-Al-Ni alloy by directional solidification,
which exhibits excellent superelasticity. To further verify the application feasibility of the Cu …
which exhibits excellent superelasticity. To further verify the application feasibility of the Cu …
Improvements in the mechanical properties of the 18R↔ 6R high-hysteresis martensitic transformation by nanoprecipitates in CuZnAl alloys
F de Castro Bubani, M Sade, F Lovey - Materials Science and Engineering …, 2012 - Elsevier
The 18R↔ 6R martensite–martensite transformation in Cu-based alloys exhibits large
hysteresis, large pseudoelastic strain and weak transformation stress dependence on …
hysteresis, large pseudoelastic strain and weak transformation stress dependence on …
Thermal memory degradation in a Cu-Zn-Al shape memory alloy during thermal cycling with free air cooling
A fragment of a Cu-15Zn-6Al (mass%) shape memory alloy (SMA), in hot rolled-water
quenched condition, was subjected to thermal cycling performed by means of a differential …
quenched condition, was subjected to thermal cycling performed by means of a differential …