Microstructure, mechanical properties and cytocompatibility of stable beta Ti–Mo–Ta sintered alloys

Delvat, Erwann; Gordin, D.M.; Gloriant, T.; Duval, J. L.; Nagel, Marie‐Danielle

doi:10.1016/j.jmbbm.2008.01.006

Cited by 45 publications

(18 citation statements)

References 27 publications

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“…Moreover, alloying titanium with Mo β-stabilizers improves the corrosion resistance [4][5][6][7][8][9][10], in addition to adequate mechanical compatibility and good cytocompatibility [11][12][13][14][15][16] despite one controversial report [17]. Unfortunately, titanium and molybdenum are difficult to alloy through a conventional melting-casting process due to the big difference in melting point and specific gravity between the two metals.…”

Section: Introductionmentioning

confidence: 99%

“…Due to its more porous structure, sintered alloys exhibit a decrease in the elastic modulus of solid materials [10,22], which is often claimed to be benefitial for biomaterial application because porous structures promote tissue in-growth [23,24]. More porous surfaces can also be produced by means of surface processing techniques, in an attempt to enhance biocompatibility [16].…”

Section: Introductionmentioning

confidence: 99%

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Investigation of processing effects on the corrosion resistance of Ti20Mo alloy in saline solutions

et al. 2015

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International audienceThe electrochemical properties of Ti20Mo alloys prepared using different fabrication procedures, namely cold crucible levitation melting (CCLM) and powder sintering, were investigated using linear potentiodynamic polarization and EIS measurements. The surface condition was established using AFM, with the observation of a more porous surface finish in the case of powder sintering. A major effect of surface conditioning on the corrosion resistance of Ti20Mo alloys was observed, where the compact finish exhibits a superior corrosion resistance in chloride-containing saline solutions. Less insulating surfaces towards electron exchange resulted for the more porous finish as revealed by scanning electrochemical microscopy (SECM

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Investigation of processing effects on the corrosion resistance of Ti20Mo alloy in saline solutions

et al. 2015

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“…Note that the hardness value of the bulk Ti-10Mo alloy was about 2.4 times higher than that of the pure titanium alloy (200 HV) [33]. Pure Ti has low resistance to plastic shearing and low work hardening; the enhancement in hardness of Ti with Mo addition could improve the resistance to the plastic shearing.…”

Section: Vickers Hardnessmentioning

confidence: 95%

Preparation and Characterization of Ti-10Mo Alloy by Mechanical Alloying

Gao

Luo

et al. 2012

Metallogr. Microstruct. Anal.

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In the present study, Ti-10Mo alloy was fabricated by mechanical alloying and subsequently consolidated by powder metallurgy techniques. The structural evolution of the powder blends with various milling durations, and the sintered alloys with different holding times, were characterized by x-ray diffraction, scanning electron microscopy, and light microscopy. The results revealed that the size of powder particles decreased with increasing milling time. In addition, only the sintered alloy using powders milled for 5 h exhibited both a-phase and b-phase. When the milling time increased to greater than 40 h, TiN phase gradually formed, which suppressed the a-phase to b-phase transformation. Furthermore, the effects of the sinter holding time on the Vickers hardness and the corrosion behavior of Ti-10Mo alloys was also investigated. The results showed that the Vickers hardness increased with increasing sinter holding time; after sintering the alloy for 5 h, the samples exhibited acceptable corrosion resistance.

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“…Although this alloy is still widely utilized in medicine, some concern has been recently expressed over its use since it appears that small amounts of both vanadium and aluminum, released in the human body, induce possible cytotoxic effect and neurological disorders, respectively [27,28]. Due to the detrimental effect of Aluminum and vanadium, different titanium alloys containing non toxic elements (Nb, Ta, Mo, Zr) known as β-stabilizer elements, were developed in order to replace Ti-6Al-4V, such as Ti-Ta [29,30], Ta-Mo [7,8,31,32]; few works are available in the literature about the mechanical and corrosion behavior of Ti-Ta-Mo ternary alloy [33,34].…”

Section: Introductionmentioning

confidence: 99%

Influence of fluoride on the electrochemical behvior of a new synthesized Ti-10Ta-2Mo alloy for biomedical applications

Oufella

Benchettara

2018

J. Fundam and Appl Sci.

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The aim of the present study is to investigate the corrosion resistance of a new synthesized Ti10Ta-2Mo in 0.9%NaCl solution containing different NaF concentrations using electrochemical techniques, including open circuit potential, potentiodynamic polarization, cyclic voltammetry and electrochemical impedance spectroscopy.The results showed that Ti-10Ta-2Mo exhibits a good corrosion resistance in 0.9% NaCl as well as in 0.9%NaCl containing fluoride and even in acidified 0.9% NaCl free of fluoride ion.Very low corrosion current densities and high impedance values were obtained, indicating the passive behavior of the alloy. An active state was observed in acidified 0.9%NaCl of pH 2 in the presence of fluoride. The results showed that Ti-10Ta-2Mo is more appropriate than some materials cited in the literature, suggesting its suitability for biomedical applications.

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Microstructure, mechanical properties and cytocompatibility of stable beta Ti–Mo–Ta sintered alloys

Cited by 45 publications

References 27 publications

Investigation of processing effects on the corrosion resistance of Ti20Mo alloy in saline solutions

Investigation of processing effects on the corrosion resistance of Ti20Mo alloy in saline solutions

Preparation and Characterization of Ti-10Mo Alloy by Mechanical Alloying

Influence of fluoride on the electrochemical behvior of a new synthesized Ti-10Ta-2Mo alloy for biomedical applications

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