Fabrication and characterization of micro-arc oxidized fluoride containing titania films on Cp Ti

Venkateswarlu, K.; Rameshbabu, N.; Sreekanth, D.; Bose, A. Chandra; Muthupandi, V.; Subramanian, S.

doi:10.1016/j.ceramint.2012.07.001

Cited by 62 publications

(33 citation statements)

References 27 publications

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“…Several researches have already reported that the thickness of the anodic oxide films strongly depends on the chemical composition of the electrolyte in which the specimens are anodized [52,73]. As reported by Venkateswarlu et al [74], the thickness values can be related with the electrolyte conductivity.…”

Section: Surface Characterizationmentioning

confidence: 83%

Tribocorrosion Behavior of Calcium- and Phosphorous-Enriched Titanium Oxide Films and Study of Osteoblast Interactions for Dental Implants

et al. 2015

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Titanium (Ti) dental implants are frequently exposed simultaneously to a corrosive environment and cyclic micromovements at implant/abutment and implant/ bone interfaces, becoming part of a tribocorrosion system. Thus, wear debris and corrosion products/ions can be released to peri-implant tissues and induce inflammatory reactions leading to implant failure. Moreover, the poor osseointegration is also one of the main problems affecting dental implants lifetime. Surface modification strategies have been proposed to design novel Ti oxide-based multifunctional surfaces that are able to simultaneously improve cellular functions and provide enhanced tribocorrosion resistance. Hence, the main objective of this work was the synthesis of Calcium (Ca)-and Phosphorous (P)-enriched Ti oxide films aimed to display superior wear/corrosion performance and simultaneously, to enhance osteoblast-material interactions. Ca-and P-enriched films were synthesized by plasma electrolytic oxidation (PEO) and their characteristics were assessed by Field emission scanning electron microscopy, profilometry, energy-dispersive X-ray spectroscopy, X-ray diffraction, and water contact angle measurements. PEO-treated samples were subjected to pin-on-disk reciprocating sliding tests in artificial saliva at 37°C. The viability of MG63 cells cultured on PEO-treated samples was investigated by MTT assay, and their adhesion ability by SEM and confocal laser scanning microscopy. The wear/corrosion behavior of Ti was improved after PEO treatments and the electrolyte composition appeared to play a crucial role both on its corrosion tendency and mechanical wear resistance. It is believed that this improvement is related to the higher rutile/anatase ratio exhibited by Ca-and P-enriched surfaces. Osteoblasts were well spread on these surfaces displaying improved viability/proliferation compared to Ti.

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Section: Surface Characterizationmentioning

confidence: 83%

Tribocorrosion Behavior of Calcium- and Phosphorous-Enriched Titanium Oxide Films and Study of Osteoblast Interactions for Dental Implants

et al. 2015

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“…Rameshbabu et al [73,76,77] containing electrolyte is thermodynamically and kinetically more stable as compared to those obtained in other electrolytes. Besides the synthesis of composite oxide coatings by MAO, in vitro bioactivity and biocompatibility of MAO coated Ti and its alloys have been investigated by many other researchers.…”

Section: Choice Of Electrolytesmentioning

confidence: 94%

“…Hence, it is imperative to properly select the electrolyte composition and concentration so that a rapid metal passivation can be promoted and the sparking voltage can be easily reached [70]. Generally, NaOH/KOH is used as the base electrolyte while phosphate [71,72], fluoride [70,73], and silicate [72,74] are used as the primary electrolyte additives in MAO process.…”

Section: Choice Of Electrolytesmentioning

confidence: 99%

Review of the biocompatibility of micro-arc oxidation coated titanium alloys

et al. 2015

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“…However, their surface hardness and corrosion resistance limit their application. Many scientists have done numerous studies aim to improve their hardness [6,7] and corrosion resistance [8,9]. Several surface treatment technologies have been developed, such as rare earth transformation coatings [10], laser surface melting [11], and organic coating [12].…”

Section: Introductionmentioning

confidence: 99%

Microstructure and properties of rare earth CeO2-doped TiO2 nanostructured composite coatings through micro-arc oxidation

Guo

et al. 2015

Ceramics International

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Fabrication and characterization of micro-arc oxidized fluoride containing titania films on Cp Ti

Cited by 62 publications

References 27 publications

Tribocorrosion Behavior of Calcium- and Phosphorous-Enriched Titanium Oxide Films and Study of Osteoblast Interactions for Dental Implants

Tribocorrosion Behavior of Calcium- and Phosphorous-Enriched Titanium Oxide Films and Study of Osteoblast Interactions for Dental Implants

Review of the biocompatibility of micro-arc oxidation coated titanium alloys

Microstructure and properties of rare earth CeO2-doped TiO2 nanostructured composite coatings through micro-arc oxidation

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