Effect of the electrolyte temperature on the formation and structure of porous anodic titania film

Lazarouk, S. K.; Sasinovich, D. A.; Купреева, О. В.; Orehovskaia, T.I.; Rochdi, Nabil; d’Avitaya, F. Arnaud; Борисенко, В. Е.

doi:10.1016/j.tsf.2012.10.112

Cited by 27 publications

(8 citation statements)

References 24 publications

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“…Similarly, lower bath temperature also induces the formation of TiO 2 nanotubes with ideal packed hexagonal prisms. Lazarouk et al [196] demonstrated that highly self-ordered TiO 2 nanotubes with a structure close to packed hexagonal prisms and smooth tubular morphology were formed at the bath temperature <0 C. They explained that lower bath temperature results in higher gas solubility and reduces the gas bubbles which periodically block the continuity of the electrochemical process. Furthermore, Peighambardoust et al [79] reported that higher tube wall thickness to tube diameter ratio could be achieved by anodising in low bath temperature (0 C).…”

Section: Bath Temperaturementioning

confidence: 99%

“…Lazarouk et al. [ 196 ] demonstrated that highly self-ordered TiO 2 nanotubes with a structure close to packed hexagonal prisms and smooth tubular morphology were formed at the bath temperature <0 °C. They explained that lower bath temperature results in higher gas solubility and reduces the gas bubbles which periodically block the continuity of the electrochemical process.…”

Section: Factor Affecting Characteristics Of Tio 2 Layermentioning

confidence: 99%

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Evolution of anodised titanium for implant applications

Alipal

Lee

Koshy

et al. 2021

Heliyon

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Anodised titanium has a long history as a coating structure for implants due to its bioactive and ossified surface, which promotes rapid bone integration. In response to the growing literature on anodised titanium, this article is the first to revisit the evolution of anodised titanium as an implant coating. The review reports the process and mechanisms for the engineering of distinctive anodised titanium structures, the significant factors influencing the mechanisms of its formation, bioactivity, as well as recent pre-and post-surface treatments proposed to improve the performance of anodised titanium. The review then broadens the discussion to include future functional trends of anodised titanium, ranging from the provision of higher surface energy interactions in the design of biocomposite coatings (template stencil interface for mechanical interlock) to techniques for measuring the boneto-implant contact (BIC), each with their own challenges. Overall, this paper provides up-to-date information on the impacts of the structure and function of anodised titanium as an implant coating in vitro and in/ex vivo tests, as well as the four key future challenges that are important for its clinical translations, namely (i) techniques to enhance the mechanical stability and (ii) testing techniques to measure the mechanical stability of anodised titanium, (iii) real-time/in-situ detection methods for surface reactions, and (iv) cost-effectiveness for anodised titanium and its safety as a bone implant coating.

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Section: Bath Temperaturementioning

confidence: 99%

Section: Factor Affecting Characteristics Of Tio 2 Layermentioning

confidence: 99%

Evolution of anodised titanium for implant applications

Alipal

Lee

Koshy

et al. 2021

Heliyon

View full text Add to dashboard Cite

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“…На основании отмеченных закономерностей можно сделать вывод о том, что увеличение плотности анодного тока способствует формированию оксида титана с трубчатой структурой [7]. При этом следует отметить, что повышение плотности тока приводит к увеличению разницы температур между разогреваемым барьерным слоем и электролитом из-за увеличения мощности выделяемого джоулева тепла.…”

Section: результаты и их обсуждениеunclassified

“…Выделение сформировавшихся гексагональных ячеек из диоксида титана в трубки целесообразно связать с упругими напряжениями, возникающими в слое анодного оксида [7,17] жений является высокий коэффициент объемного роста (более 2), связанный с высокой плотностью тока и соответственно температурой барьерного слоя. В частности, при высоких значениях коэффициента объемного роста между соседними гексагональными ячейками появляются механические напряжения, способные сдвинуть одну ячейку относительно других в вертикальном направлении.…”

Section: коэффициент температуропроводности рассчитывался какunclassified

“…Особое внимание уделяется изучению механизма формирования трубчатого оксида титана в процессе анодного окисления, поскольку это позволяет создавать наноструктуры с заданными размерами и свойствами [1,7,8].…”

Section: Introductionunclassified

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Механизм Формирования Трубчатого Оксида Титана Электрохимическим Анодированием

Лазарук¹,

Купреева²,

Циркунов³

et al. 2020

Журнал Технической Физики

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The conditions for the formation of anodic titanium oxide with a tubular structure were studied. The mechanism for the formation of tubular titanium oxide based on the localization of the electrochemical oxidation of titanium in the places of the barrier layer at the bottom of the pore, where the density of the flowing anodic current is increased, as a result of which the temperature of these regions increases. With an increase in the temperature of the barrier layer above the threshold value, a transition from the traditional «honeycomb-like» porous structure to the tubular structure takes place. The proposed mechanism is confirmed by the results of experimental research.

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