Results 21 to 30 of about 1,005 (207)
Journal of Materials Research and Technology, 2023 A systematic investigation was conducted to evaluate the role of Zr addition on the martensitic phase transformation behavior and properties of NiTi-based shape memory alloys.
Hamed Shahmir +4 more
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On the elastic energy invariance of crystal twins
Archives of Mechanics, 2010 An analysis by Zanzotto (1992, 1996) showed that, if crystal twinning is considered as a material symmetry operation, the symmetry groups of many crystals that form twins correspond to the unimodular group, which is the symmetry group of elastic fluids ...
R. Glüge
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, 2010 Term "asymmetrical pseudoelasticity" refers to the theory, in which a symmetrical stress tensor and a symmetrical strain tensor are connected by means of an asymmetrical material tensor. An 6-dimensional asymmetrical matrix of elasticity has been constructed that is invariable in relation to orthogonal transformation with a single rotation operator and
Bytev, V. O., Shkutin, L. I.
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Thermodynamics of Ideal Pseudoelasticity [PDF]
Le Journal de Physique IV, 1995 Experimental results are shown for CuZnAl single crystals which summarize the thermal equation of state of these alloys in the pseudoelastic temperature range, i.e. their (P,d,T)- behaviour. For a partial explanation the first and second law of thermodynamics are applied under the assumption that the essential relevant constitutive ingredients are i ...
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Structural transitions in a NiTi alloy: a multistage loading-unload cycle
Fracture and Structural Integrity, 2013 NiTi shape memory alloys (SMAs) are increasingly used in many engineering and medical applications, because they combine special functional properties, such as shape memory effect and pseudoelasticity, with good mechanical strength and biocompatibility ...
V. Di Cocco, C. Maletta, S. Natali
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Temperature Dependence of Hysteresis in Pseudoelasticity
, 1990 This paper proposes to consider the existence of hystereses in phase transitions as a consequence of interfacial energies. Given such an energy, the size of the hysteresis and its dependence on temperature are then calculated. This paper extends the ideas that were previously described in MULLER [1] and BORNERT [2].
Bornert, Michel, Müller, Ingo
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The Effects of Geometric Parameters Under Small and Large Deformations on Dissipative Performance of Shape Memory Alloy Helical Springs [PDF]
Journal of Stress Analysis, 2018 This paper presents an investigation into shape memory alloy (SMA) springs considering the effects of geometry changes under small as well as large deformations. Helical springs were fabricated by shape setting of NiTi wires through heat treatment.
Y. Mohammad Hashemi, M. Kadkhodaei
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Metals, 2022 Among functional materials, quasiequiatomic NiTi alloys are one of the most promising and diffused for some sectors, from the biomedical to aerospace ones.
Carlo Alberto Biffi, Ausonio Tuissi
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Materials Research LettersWe present pseudoelasticity activated by neutron irradiation in 316L austenitic stainless steel. Wrought and powder metallurgy with hot isostatic pressing (PM-HIP) specimens are irradiated to ∼4 displacements per atom at ∼400°C, then nanoindented.
Arya Chatterjee +4 more
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Cyclic deformation of Ti-Ni alloy used for endovascular device [PDF]
E3S Web of ConferencesHas been studied the possibility of using TiNi alloys with shape memory and pseudoelasticity as an implantation material for correction of functional mitral regurgitation endovascular device.
Morozova T.V.
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