Comparative In Vitro Study of Ti-12V-9Sn Shape Memory Alloy with C.P. Ti and Ti-12V Alloy for Potential Biomedical Application

Qiu, K.J.; Wang, B. L.; Zhou, Feng; Lin, Woei; Li, L.; Lin, Junpin; Zheng, Yufeng

doi:10.1007/s11665-012-0308-y

Cited by 5 publications

(3 citation statements)

References 12 publications

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“…The improvement of micro-hardness of Ti-V-Al shape memory alloys with Sn addition can be attributed to the grain refinement and solid solution strengthening. The maximum microhardness of 339.4 HV can be attained in Ti-V-Al shape memory alloys by optimizing 5.0 at.% Sn, which is larger than that (311 HV) of the reported Ti-V-Sn shape memory alloy [47]. The higher micro-hardness of Ti-V-Al-Sn shape memory alloy can be attributed to the grain refinement and solution strengthening of the soluble Al in matrix.…”

Section: Mechanical and Functional Propertiesmentioning

confidence: 75%

“…When the Sn content increases, the maximum fracture strength of the present Ti-V-Al shape memory alloys continuously decreases from 962 to 792 MPa. Similarly, the Sn addition results in reduction in the maximum fracture strength of Ti-V shape memory alloy [47]. Nevertheless, the fracture strength of Ti-V-Al shape memory alloys with moderate Sn content is significantly higher than that of the reported Ti-V-Al-X (X = Fe, Co, Gd, etc.)…”

Section: Mechanical and Functional Propertiesmentioning

confidence: 89%

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Effect of Sn Content on the Microstructural Features, Martensitic Transformation and Mechanical Properties in Ti-V-Al-Based Shape Memory Alloys

Liu

Wang

et al. 2023

Acta Metall. Sin. (Engl. Lett.)

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In the present study, it is expected to tailor the microstructural features, martensitic transformation temperatures and mechanical properties of Ti-V-Al shape memory alloys through adding Sn alloying elements, which further expands their applications. Sn addition results in the monotonous rising of average valence electron number (e/a). In proportion, the single α″ martensite phase directly evolves into merely β parent phase in present Ti-V-Al-based shape memory alloys, as Sn content increases from 0.5 to 5.0 at.%. Meanwhile, Sn addition causes the reduction in the grain size. Combined with transmission electron microscopy (TEM) observation and d electron theory analysis, it can be speculated that Sn addition can suppress the precipitation of ω phase. With increasing Sn content, fracture strength invariably decreases from 962 to 792 MPa, whereas the yield strength firstly decreases and then increases. The lowest yield stress for the stress-induced martensitic transformation of 220 MPa can be obtained in Ti-V-Al shape memory alloy by adding 3.0 at.% Sn. By optimizing 1.0 at.% Sn, the excellent ductility with a largest elongation of 42.1% can be gained in Ti-V-Al shape memory alloy, which is larger than that of the reported Ti-V-Al-based shape memory alloys. Besides, as a result of solution strengthening and grain refinement, Ti-V-Albased shape memory alloy with 5.0 at.% Sn possesses the highest yield strength, further contributing to the excellent strain recovery characteristics with 4% fully recoverable strain.

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Section: Mechanical and Functional Propertiesmentioning

confidence: 75%

Section: Mechanical and Functional Propertiesmentioning

confidence: 89%

Effect of Sn Content on the Microstructural Features, Martensitic Transformation and Mechanical Properties in Ti-V-Al-Based Shape Memory Alloys

Liu

Wang

et al. 2023

Acta Metall. Sin. (Engl. Lett.)

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“…Many reported that the addition of Sn is benefit to the formation of passive film of Ti-based Alloy with high corrosion resistance, e.g. Ti–Cu [15], Ti–Ta [22], Ti–V [29] and Ti 60 Zr 10 Ta 15 Si 15 [21] alloys. The evidence presented in Figure 4 confirms that the addition of Sn is helpful to increase the resistance of the passive film of Ti7Cu x Sn alloy in 0.9 wt-% NaCl solution.…”

Section: Resultsmentioning

confidence: 99%

Effects of Sn additions on microstructure and corrosion resistance of heat-treated Ti–Cu–Sn titanium alloys

Tsao

Hsieh

2018

Corrosion Engineering, Science and Technology

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The microstructure and corrosion properties of Ti7CuxSn (x = 0-5 wt-%) alloys after solution treatment have been investigated. The alloys were solution-treated (ST) at 1000°C for 2 h, followed by quenching in water to room temperature. It was found that the microstructure of the ST Ti7Cu alloy had only a martensite structure, and that addition of Sn could refine the microstructure of Ti7CuxSn alloy. Notably, the pseudo dendritic α-Ti phase was formed in ST Ti7Cu5Sn alloys. Potentiodynamic polarisation curves and electrochemical impedance spectroscopy data demonstrated that adding Sn improved the electrochemical corrosion behaviour of the Ti7CuxSn alloy.

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Small Punch Test of U-Shaped Notch of TC4 Titanium Alloy and Its Numerical Simulation

Zhao

Zhang

2013

J. of Materi Eng and Perform

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Comparative In Vitro Study of Ti-12V-9Sn Shape Memory Alloy with C.P. Ti and Ti-12V Alloy for Potential Biomedical Application

Cited by 5 publications

References 12 publications

Effect of Sn Content on the Microstructural Features, Martensitic Transformation and Mechanical Properties in Ti-V-Al-Based Shape Memory Alloys

Effect of Sn Content on the Microstructural Features, Martensitic Transformation and Mechanical Properties in Ti-V-Al-Based Shape Memory Alloys

Effects of Sn additions on microstructure and corrosion resistance of heat-treated Ti–Cu–Sn titanium alloys

Small Punch Test of U-Shaped Notch of TC4 Titanium Alloy and Its Numerical Simulation

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