Ni-Ti Shape Memory Alloys
Nuclear Magnetic Resonance Studies of Martensitic Phase Transformation in Ni Ti Shape Memory Alloys
... The shape memory effect and the superelasticity are re- markable mechanical properties that occur in association with a thermoelastic Martensitic Phase Transformation (MPT) from a high-temperature parent ...
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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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Effect of Nb Content on Martensitic Transformation Temperatures and Mechanical Properties of Ti Ni Nb Shape Memory Alloys for Pipe Joint Applications
... Figures 6 shows the stress-strain curves for the alloys with the M phase:, (a) Ni/Ti ratio is kept to be 1.0 with various Nb contents, and (b) Nb content is kept to be 6 mol% with various ...
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Shape Memory and Mechanical Properties of Biomedical Ti Sc Mo Alloys
... and Ti-Sn-Mo alloys along the above conception, which appears in this ...Reliable shape recovery strain in both the alloys is about ...high shape memory properties comparable ...
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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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Experimental Consideration of Multistage Martensitic Transformation and Precipitation Behavior in Aged Ni Rich Ti Ni Shape Memory Alloys
... in the specimens A-A except for the specimen aged for 180 ks as shown in (a). On the other hand, there are no multistage martensitic transformation peaks in all the DSC curves in the specimens B-B as seen in (b). The ...
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Effect of Cu Addition on Shape Memory Behavior of Ti 18 mol%Nb Alloys
... a shape recovery due to stress induced martensitic trans- formation by loading and its reverse martensitic transforma- tion by unloading even after the deformation beyond the elastic ...fields. Ti-Ni ...
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Mechanical Properties of Ti–50(Pt,Ir) High Temperature Shape Memory Alloys
... high-temperature shape memory alloys for gas turbines, rocket engines, automotive engines, and nuclear reactor environments can be ...of alloys have potential as high-temperature shape ...
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Effects of Sn Content and Aging Conditions on Superelasticity in Biomedical Ti–Mo–Sn Alloys
... many shape memory alloys, only Ti–Ni alloys are now widely used and are still being developed as biomaterials such as orthodonitic wire, teeth-root prosthesis, stent in blood ...
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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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Heat Conduction Type and Keyhole Type Laser Welding of Ti Ni Shape Memory Alloys Processed by Spark Plasma Sintering
... memory properties. Heat-conduction and keyhole-welding modes were utilized to determine the weldability and select the optimum conditions of the welding in terms of welding speed and laser power. Two ...
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Cytocompatibility Evaluation of Ti Ni and Ti Mo Al System Shape Memory Alloys
... The dose-response curves of the extracts using two disks of each alloy under wear conditions are shown in Fig. 6. The curves of Ti-6Mo-3Al and Ti-6.5Mo-3Al are similar to each other; both of the RVC ...
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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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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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Enhancement of Shape Memory Properties through Precipitation Hardening in a Ti Rich Ti Ni Pd High Temperature Shape Memory Alloy
... investigate shape memory properties of the 50Ti and 52Ti alloys solution treated and aged at various temperatures, and the results are shown in ...The shape memory effect was observed ...
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Relation between Tensile Deformation Behavior and Microstructure in a Ti Ni Co Shape Memory Alloy
... Ni–Co alloy is nearly equal to that of the 623–1.8 Ti–Ni– Co alloy. However, elongation at tensile fracture point of the former alloy is about 2 times larger than that of the lat- ter alloy. Such a ...
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Theoretical Investigations of Ti Based Binary Shape Memory Alloys
... Fe, Ni, Pd, Pt and Cu) alloys have the same generic nature in B2 and B19 structures ...TiX alloys in both phases for several symmetry directions in ...TiX alloys possesses lower symmetry ...
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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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In Vitro Biocompatibility of Ni Free Ti Based Shape Memory Alloys for Biomedical Applications
... that Ti-Nb-Al shows biocompatibility as high as that of cpTi, and that Ti-Cr-Sn showed lower biocompat- ibility than that of ...Both Ti-Nb-Al and Ti-Cr-Sn alloys were expected to be ...
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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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