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Pseudoelastic NiTiNOL in Orthopaedic Applications
Shape Memory and Superelasticity, 2020Pseudoelastic NiTiNOL presents an attractive material option for devices used in clinical orthopaedic applications. The capacity of the material to exert sustained compression during shape recovery aligns well with the mechanobiological factors associated with bone healing, particularly in applications such as fracture healing and joint fusion ...
David Safranski +2 more
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Nonequilibrium thermodynamics of pseudoelasticity
Continuum Mechanics and Thermodynamics, 1993Solid-solid phase transitions often exhibit hystereses, and a hysteresis indicates energy dissipation. Pseudoelasticity refers to a hysteretic loading-unloading characteristic observed in the stress-induced martensitic transformation of shape memory alloys.
Huo, Y., Müller, I.
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Shape Memory and Pseudoelasticity in Metal Nanowires
Physical Review Letters, 2005Structural reorientations in metallic fcc nanowires are controlled by a combination of size, thermal energy, and the type of defects formed during inelastic deformation. By utilizing atomistic simulations, we show that certain fcc nanowires can exhibit both shape memory and pseudoelastic behavior. We also show that the formation of defect-free twins, a
Harold S, Park +2 more
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Pseudoelasticity in Fe3Ga single crystals
Scripta Materialia, 2005Abstract We first found pseudoelasticity in Fe 3 Ga single crystals regardless of a thermoelastic martensitic transformation. Superpartial dislocations with Burgers vector of 1/4[1 1 1] were pulled back by nearest-neighbour and next-nearest-neighbour antiphase boundaries during unloading, resulting in the pseudoelasticity.
H.Y. Yasuda +3 more
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On the size of the hysteresis in pseudoelasticity
Continuum Mechanics and Thermodynamics, 1989Pseudoelasticity is a phenomenon that occurs in alloys with shape memory: In a loading-unloading cycle a body will return to its original configuration, but its path in a load-deformation diagram will run through a hysteresis loop.
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Computational Materials Science, 2018 Pseudoelasticity in NiTi shape memory alloy single crystals depends on the loading direction. Here, we present a comprehensive study in which molecular dynamics simulations of austenitic bulk single crystals under strain-controlled tensile and ...
Angelo Simone +2 more
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Compressed Mesh Washer Isolators Using the Pseudoelasticity of SMA for Pyroshock Attenuation
Journal of Intelligent Material Systems and Structures, 2010 Pyroshock can cause malfunctions of electric components of launch vehicles or satellites, resulting in a catastrophic flight failure. This study introduces a new compressed mesh washer pyroshock isolator using the pseudoelasticity of Ni-Ti alloy wire ...
Jae-Hung Han
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Theory of pseudoelasticity and the shape-memory effect
Physical Review B, 1992A theory of pseudoelasticity has been developed in the phenomenological Ginzburg-Landau scheme. The system characterized by «stripe»-type ferroelastic domain structure has been discussed using the transfer-integral method, which directly gives the equilibrium density of domain boundaries and the response of domain pattern against the external stress ...
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Phase mixtures in dynamics of pseudoelasticity
Continuum Mechanics and Thermodynamics, 1995The paper provides a numerical treatment of phase mixtures in pseudoelasticity from a purely mathematical point of view. This is based on the result that the approximate solution may consist of persistent oscillations in strain which resemble the experimentally observed interface patterns. This result is obtained from a sequence of solutions for a rate-
Liu, I-Shih, Frid, H.
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