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[Dental casting of NiTi alloys].
Kokubyo Gakkai zasshi. The Journal of the Stomatological Society, Japan, 1985 H, Hamanaka, I, Miura
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Surface and Interface Analysis, 1990
Abstract In this study, the oxidation of the surface of a 50/50 (at.%) NiTi alloy was studied by XPS, AES and SEM. Samples of the NiTi alloy were oxidized at 23°C and high temperatures at an oxygen pressure of 10 −4 Torr and in atmosphere. At 10 −4
C.‐M. Chan, S. Trigwell, T. Duerig
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Abstract In this study, the oxidation of the surface of a 50/50 (at.%) NiTi alloy was studied by XPS, AES and SEM. Samples of the NiTi alloy were oxidized at 23°C and high temperatures at an oxygen pressure of 10 −4 Torr and in atmosphere. At 10 −4
C.‐M. Chan, S. Trigwell, T. Duerig
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Metallurgical and Materials Transactions A, 2003
This work focuses on the stress-induced transformation in solutionized and overaged single-crystal NiTi alloys. The potential role of detwinning on the recoverable strains was investigated both theoretically and also with temperature-cycling experiments. The detwinning is the growth of one variant within a martensite in expense of the other.
Huseyin Sehitoglu +7 more
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This work focuses on the stress-induced transformation in solutionized and overaged single-crystal NiTi alloys. The potential role of detwinning on the recoverable strains was investigated both theoretically and also with temperature-cycling experiments. The detwinning is the growth of one variant within a martensite in expense of the other.
Huseyin Sehitoglu +7 more
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Journal de Physique IV (Proceedings), 2004
Large changes in hysteresis are reported as a function of applied stress under thermal cycling experiments in NiTi single crystals. In the low Ni alloy the thermal hysteresis expanded with increasing stress while in the high Ni alloy the thermal hysteresis contracted with increasing stress.
H. Sehitoglu +3 more
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Large changes in hysteresis are reported as a function of applied stress under thermal cycling experiments in NiTi single crystals. In the low Ni alloy the thermal hysteresis expanded with increasing stress while in the high Ni alloy the thermal hysteresis contracted with increasing stress.
H. Sehitoglu +3 more
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Biocompatibility of NiTi alloys in the cell behaviour
BioMetals, 2017Metallic biomaterial alloys composed of nickel and titanium have unique thermal shape memory, superelastic, and high damping properties, which are widely used in the medicine. The major parameter evaluated in the studies regarding the behaviour of the material in the contact with organism or cells is biocompatibility.
Jana, Sevcikova +1 more
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Innovative materials: the NiTi alloys in orthodontics
Bio-Medical Materials and Engineering, 1996Since ten years the NiTi alloys have gained an ever increasing place in orthodontic practice: that is due to their peculiar mechanical properties ascribed to a martensitic thermoelastic transformation which can be thermally or, in a proper temperature range, stress-induced.
G, Airoldi, G, Riva
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Advanced Engineering Materials, 2004
The purpose of this study is to build a fundamental understanding of the relationship between the structure and properties of cast nickel‐titanium (NiTi). The structure of the cast material will be analyzed at various scales and will be related to the properties of the cast material such as transformation temperatures, stress‐strain behavior, and ...
Alicia M. Ortega +4 more
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The purpose of this study is to build a fundamental understanding of the relationship between the structure and properties of cast nickel‐titanium (NiTi). The structure of the cast material will be analyzed at various scales and will be related to the properties of the cast material such as transformation temperatures, stress‐strain behavior, and ...
Alicia M. Ortega +4 more
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The dynamic impact behavior of NiTi alloy
Materials Science and Engineering: A, 2005The contact force during impact of a NiTi alloy was studied in this paper. The contact force and contact time during impact between a spherical impactor and the specimen at different impact velocity and temperature were measured in real time. The maximum contact force and contact time of the NiTi alloy in the martensite state increased and decreased ...
Ren Bo Xu, Li Shan Cui, Yan Jun Zheng
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Corrosion behaviour of NiTi alloy
Electrochimica Acta, 2009Abstract In the present work, the corrosion behaviour of NiTi in Hanks’ solution at 37 °C was assessed by the use of electrochemical methods. Pure titanium and pure nickel were included in the study in order to understand the contribution of each alloying element.
N. Figueira +3 more
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The tribocorrosion behaviour of NiTi alloy
Applied Surface Science, 2014Abstract In biomedical applications, NiTi alloys are used mainly because of their favourable shape memory and superelastic properties. However, in many applications the tribocorrosion properties of these alloys can be of critical concern. For this reason the electrochemical and tribocorrosion properties of superelastic NiTi sheet and orthodontic ...
Tadeja Kosec +2 more
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