Effects of anodizing conditions on bond strength of anodically oxidized film to titanium substrate

Park, Kyung Hee; Shin, Kyung-Ha; Song, Ho‐Jun

doi:10.1016/j.apsusc.2006.12.112

Cited by 66 publications

(26 citation statements)

References 11 publications

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“…Such a strong adhesion is due to the fact that the momentary sparks generated during the anodization treatment fused the oxide layer to the titanium substrate underneath. The present measured adhesion value is comparable with the previously reported data [25][26][27]. For example, Park et al [25] reported varied bond strengths (from 13.1 to 34.2 MPa) depending on the anodization conditions and Lin et al [27] reported that the average strength of TiO 2 /Ti interface was about 11 MPa at the anodization voltage of 150 V. After the water vapor exposure for 48 h, the TiO 2 layer presented an obvious decrease in the adhesion strength to about 13 MPa.…”

Section: Influence Of Water Vapor Exposure On Adhesion Strengthsupporting

confidence: 95%

“…The sparks initiated at weak points of the oxide layer and then traveled over the whole surface quickly, leaving lots of craters where sparks were generated. These momentary sparks resulted in a significant output of heat which fused the anodic TiO 2 layer onto the titanium substrate, producing a good adhesion between them [25]. However, their adhesion would deteriorate significantly with the increasing anodization voltage [26,27].…”

Section: Adhesion Testmentioning

confidence: 98%

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Surface morphology, phase structure and property evolution of anodized titanium during water vapor exposure

Chen

Zhou

2015

Surface and Coatings Technology

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Section: Influence Of Water Vapor Exposure On Adhesion Strengthsupporting

confidence: 95%

Section: Adhesion Testmentioning

confidence: 98%

Surface morphology, phase structure and property evolution of anodized titanium during water vapor exposure

Chen

Zhou

2015

Surface and Coatings Technology

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“…Additionally, it is possible by MAO to obtain the formation of TiO 2 in the form of anatase and rutile . Some authors had stated that TiO 2 with structures of anatase and rutile induced the apatite formation in vitro . Kunzler et al developed a surface modification process to develop roughness gradients ranging from 1.0 to 5.7 μm on Ti surfaces.…”

Section: Discussionmentioning

confidence: 99%

Influence of macroporosity on NIH/3T3 adhesion, proliferation, and osteogenic differentiation of MC3T3‐E1 over bio‐functionalized highly porous titanium implant material

et al. 2018

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Highly porous Ti implant materials are being used in order to overcome the stress shielding effect on orthopedic implants. However, the lack of bioactivity on Ti surfaces is still a major concern regarding the osseointegration process. It is known that the rapid recruitment of osteoblasts in bone defects is an essential prerequisite for efficient bone repair. Conventionally, osteoblast recruitment to bone defects and subsequent bone repair has been achieved using growth factors. Thus, in this study highly porous Ti samples were processed by powder metallurgy using space holder technique followed by the bio-functionalization through microarc oxidation using a Ca- and P-rich electrolyte. The biological response in terms of early cell response, namely, adhesion, spreading, viability, and proliferation of the novel biofunctionalized highly porous Ti was carried out with NIH/3T3 fibroblasts and MC3T3-E1 preosteoblasts in terms of viability, adhesion, proliferation, and alkaline phosphatase activity. Results showed that bio-functionalization did not affect the cell viability. However, bio-functionalized highly porous Ti (22% porosity) enhanced the cell proliferation and activity. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 2018.

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“…Nevertheless, materials used in vivo must have similar characteristics and properties with respect to bone hosting tissue, and should also promote osseointegration; this means, to reach a direct, structural and functional connection between bone and implant surface [6]. Titanium (Ti) alloys are the materials currently used to replace and improve the functionality of human bones due to their high biocompatibility, low elastic modulus, reasonable high mechanical strength, and good corrosion resistance in biological environments [7,8]. The physicochemical properties of Ti surfaces are given by an oxide layer composed mainly of TiO2, which is naturally formed on the metal when this is in contact with air at room temperature [9].…”

Section: Introductionmentioning

confidence: 99%

Osseointegration improvement by plasma electrolytic oxidation of modified titanium alloys surfaces

Echeverry‐Rendón

Galvis

Giraldo

et al. 2015

J Mater Sci: Mater Med

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Titanium (Ti) is a material frequently used in orthopedic applications, due to its good mechanical properties and high corrosion resistance. However, formation of a non-adherent fibrous tissue between material and bone drastically could affect the osseointegration process and, therefore, the mechanical stability of the implant. Modifications of topography and configuration of the tissue/ material interface is one of the mechanisms to improve that process by manipulating parameters such as morphology and roughness. There are different techniques that can be used to modify the titanium surface; plasma electrolytic oxidation (PEO) is one of those alternatives, which consists of obtaining porous anodic coatings by controlling parameters such as voltage, current, anodizing solution and time of the reaction. From all of the above factors, and based on previous studies that demonstrated that bone cells sense substrates features to grow new tissue, in this work commercially pure Ti (c.p Ti) and Ti6Al4V alloy samples were modified at their surface by PEO in different anodizing solutions composed of H2SO4 and H3PO4 mixtures. Treated surfaces were characterized and used as platforms to grow osteoblasts; subsequently, cell behavior parameters like adhesion, proliferation and differentiation were also studied. Although the results showed no significant differences in proliferation, differentiation and cell biological activity, overall results showed an important influence of topography of the modified surfaces compared with polished untreated surfaces. Finally, this study offers an alternative protocol to modify surfaces of Ti and their alloys in a controlled and reproducible way in which biocompatibility of the material is not compromised and osseointegration would be improved.

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Effects of anodizing conditions on bond strength of anodically oxidized film to titanium substrate

Cited by 66 publications

References 11 publications

Surface morphology, phase structure and property evolution of anodized titanium during water vapor exposure

Surface morphology, phase structure and property evolution of anodized titanium during water vapor exposure

Influence of macroporosity on NIH/3T3 adhesion, proliferation, and osteogenic differentiation of MC3T3‐E1 over bio‐functionalized highly porous titanium implant material

Osseointegration improvement by plasma electrolytic oxidation of modified titanium alloys surfaces

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