Ti-Ni shape memory alloys
Hot Water Jet Erosion Characteristics of Ti Ni Shape Memory Alloys
... of Ti–Ni shape memory alloys (SMAs) against the impact of hot water jet onto the specimen surface was investigated experimentally and by finite element method ...of Ti–Ni ...
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Experimental Consideration of Multistage Martensitic Transformation and Precipitation Behavior in Aged Ni Rich Ti Ni Shape Memory Alloys
... Ti-Ni alloys of the near-equiatomic composition are technologically important materials with their superior shape memory and superelastic properties associated with B2 to R- phase and ...
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Heat Conduction Type and Keyhole Type Laser Welding of Ti Ni Shape Memory Alloys Processed by Spark Plasma Sintering
... join Ti 51 at % Ni shape- memory alloy, which was fabricated from the elemental pure Ti and pure Ni powders by spark-plasma ...of Ti 51 at % Ni SMA, whereas the ...
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Effect of Annealing Temperature on Microstructure and Superelastic Properties of Ti Au Cr Zr Alloy
... of Ti-Ni shape memory alloys (SMAs) has been successfully used for biomedical applications such as dental arch wires and bone plates at ...of Ni-free ¢ -Ti SMAs has been ...
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Texture and Microstructure of Ti Ni Melt Spun Shape Memory Alloy Ribbons
... equiatomic Ti-Ni shape memory alloys (SMAs) have been used for actuators with various kinds of shapes such as wire and ...Recently Ti-Ni SMA plates of 100 micrometers or ...
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Fabrication of Ti Ni Zr Shape Memory Alloy by P/M Process
... to restrain the formation and grain growth of Laves phase during sintering to obtain sufficient shape memory character- istics of the sintered alloy. Therefore, sintering time of the MAed powder is selected a ...
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Shape Memory and Mechanical Properties of Biomedical Ti Sc Mo Alloys
... Ni-free Ti-Sc-Mo shape memory alloys are designed as a substitute for Ti-Ni alloys in the biomedical ...heating, Ti-Sc-Mo alloys were found to have ...
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Cytocompatibility Evaluation of Ti Ni and Ti Mo Al System Shape Memory Alloys
... the Ti-Ni shape memory alloy revealed that its surface oxide layer is constructed by titanium oxide with ...of Ni, 3) which is highly stable in a culture medium under static ...of ...
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Nuclear Magnetic Resonance Studies of Martensitic Phase Transformation in Ni Ti Shape Memory Alloys
... gaussian shape (or for the martensitic one can be approached by a sum of two gaus- sians), the evaluation of their spectral area can be simplified by determining the product (amplitude × full width at half height) ...
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Theoretical Investigations of Ti Based Binary Shape Memory Alloys
... Fe, Ni, Pd, Pt and Cu) atoms in the Ti-based alloys we compare the d-partial DOS curves of these alloys as shown in Figures 4(d) and ...of Ti atom at Fermi shows a dominance compared to ...
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Relation between Tensile Deformation Behavior and Microstructure in a Ti Ni Co Shape Memory Alloy
... the shape of L (active gauge length) = 7 ...aged alloys were examined at temper- atures of M s ( B2 → R transformation start temperature ) + 15 K by using a computer controlled material testing machine (JT ...
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Shape Memory Properties of Biomedical Ti Mo Ag and Ti Mo Sn Alloys
... that Ni is allergenic and carcinogenic to the human ...of Ni-free shape memory alloys has been urgently ...several Ni-free -titanium shape memory and superelastic ...
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Corrosion Behavior of Cu Zn Ni Shape Memory Alloys
... significance. Shape memory alloys are the most important branch from the smart and/or intelligence materials ...ory alloys” (SMAs) refers to that group of metallic mate- rials that have the ...
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Enhancement of Shape Memory Properties through Precipitation Hardening in a Ti Rich Ti Ni Pd High Temperature Shape Memory Alloy
... Backscattered SEM images of the 50Ti and 52Ti alloys aged at 673, 773, 873, 973 and 1073 K are shown in Fig. 3 and Fig. 4, respectively. It is evident from Fig. 3 that the microstructure of the 50Ti alloy aged at ...
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Mechanical Properties and Shape Memory Behavior of Ti Mo Ga Alloys
... and shape memory behavior of Ti-Mo-Ga alloys were investigated in order to develop Ni-free biomedical shape memory ...The Ti-Mo-Ga alloys were fabricated by ...
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Effects of Pre Strain and Heat Treatment Temperature on Phase Transformation Temperature and Shape Recovery Stress of Ti Ni Nb Shape Memory Alloys for Pipe Joint Applications
... Figure 3 shows one example of the stress-strain curve for shape memory alloys. This curve was conducted to measure the elastic recovery strain with pre-strain of 7.5%. Moreover, the elasticity ...
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In Vitro Biocompatibility of Ni Free Ti Based Shape Memory Alloys for Biomedical Applications
... The Ti-Nb-Al and Ti-Cr- Sn alloys used in this study were fabricated by nonconsum- able W-electrode type arc melting method in Ar-1%H2 reduction atmosphere using a Cu heath and high purity elemental ...
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Damping Properties of Ductile Cu Al Mn Based Shape Memory Alloys
... Cu-Al-Mn alloys with low Al content below 18 at% have an excellent ...excellent shape memory properties, which are comparable to those of Ti-Ni alloys, can be obtained by ...
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Phase Transformation Behavior and Shape Memory Characteristics of Ti Ni Cu Mo Alloys
... of Ti–Ni–Cu–Mo alloys In order to investigate deformation behaviors of Ti–Ni–Cu– Mo alloys, tensile tests were made at 283 K where only the B2 parent phase exists in a ...
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Microstructural Evolution during Isothermal Aging in Ni Rich Ti Zr Ni Shape Memory Alloys
... element is also common method to modify the properties. Addition of noble metal elements, such as, Au, Pt and Pd, or rare earth elements, such as, Hf increases martensitic transformation temperature, 2) while the ...
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