Corrosion behaviours of Ti6Al4V-Mg/Mg-Alloy composites

Esen, Ziya; Öcal, Ezgi Bütev; Akkaya, Aslı; Gürçay, Bensu; Özcan, Ceren; Özgümüş, Burcu Aslı; Duygulu, Özgür; Dericioğlu, Arcan F.

doi:10.1016/j.corsci.2020.108470

Cited by 29 publications

(8 citation statements)

References 45 publications

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“…The Nyquist plots exhibit a single capacitive loop implying that the corrosion of the peened samples is mainly charge transfer controlled (i.e. charge transfer is the slowest process) from the surface to the electrolyte through the shrunk compact Cu surface [52,53]. The resistance increased with an increase in the laser percentage overlap and the applied power density.…”

Section: Eis Analysismentioning

confidence: 99%

Laser shock peening (LSP): Electrochemical and hydrodynamic investigation of corrosion protection pre-treatment for a copper surface in 3.5 % NaCl medium

et al. 2021

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Besides electrochemical corrosion protection, laser shock peening provides extended fatigue life and mechanical properties for metals, as reported in the literature. However, most of the studies were performed under static conditions. The effectiveness of this method under flow conditions and prolonged immersion duration is addressed in this study. Copper discs were peened with Nd: YAG laser in the presence of ~2 mm thickness of water and polyvinyl chloride to absorb the intensity and provide residual stress without surface damage. Electrochemical and hydrodynamic analyses indicate that the peened surface showed higher corrosion resistance in 3.5 % NaCl compared to the unpeened.

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Section: Eis Analysismentioning

confidence: 99%

Laser shock peening (LSP): Electrochemical and hydrodynamic investigation of corrosion protection pre-treatment for a copper surface in 3.5 % NaCl medium

et al. 2021

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“…Moreover, sudden hydrogen gas evolution could also cause the initiation of micro-cracks in the Ti skeleton, resulting in catastrophic failure. Esen et al (2020 ) fabricated Ti6Al4V-Mg/WE41/AZ27 composites through powder metallurgy. After immersion for 1-day, the Ti6Al4V-Mg composite samples were not able to preserve their Ti scaffold integrities.…”

Section: Discussionmentioning

confidence: 99%

“…Despite the mentioned advantages, their further clinical application remains a challenge due to some major drawbacks such as the stress shielding effect and being biologically inert ( Stanec et al, 2016 ; Bobbert et al, 2017 ). Various methods of fabricating less stiff modulus orthopedic implants have been reported ( Ouyang et al, 2019 ; Esen et al, 2020 ; Liang et al, 2021 ; Xu et al, 2021 ), and the control of porosity is considered a promising method ( Meenashisundaram et al, 2020 ; Zhang et al, 2020 ; Zhang et al, 2021 ). On one hand, the porous structure of Ti-based materials effectively reduced the stress shielding effect between the implant and the surrounding bone.…”

Section: Introductionmentioning

confidence: 99%

Biodegradability and Cytocompatibility of 3D-Printed Mg-Ti Interpenetrating Phase Composites

Yang

Huang

Zhan

et al. 2022

Front. Bioeng. Biotechnol.

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Orthopedic hybrid implants combining both titanium (Ti) and magnesium (Mg) have gained wide attraction nowadays. However, it still remains a huge challenge in the fabrication of Mg-Ti composites because of the different temperatures of Ti melting point and pure Mg volatilization point. In this study, we successfully fabricated a new Mg-Ti composite with bi-continuous interpenetrating phase architecture by infiltrating Mg melt into Ti scaffolds, which were prepared by 3D printing and subsequent acid treatment. We attempted to understand the 7-day degradation process of the Mg-Ti composite and examine the different Mg2+ concentration composite impacts on the MC3T3-E1 cells, including toxicity, morphology, apoptosis, and osteogenic activity. CCK-8 results indicated cytotoxicity and absence of the Mg-Ti composite during 7-day degradation. Moreover, the composite significantly improved the morphology, reduced the apoptosis rate, and enhanced the osteogenic activity of MC3T3-E1 cells. The favorable impacts might be attributed to the appropriate Mg2+ concentration of the extracts. The results on varying Mg2+ concentration tests indicated that Mg2+ showed no cell adverse effect under 10-mM concentration. The 8-mM group exhibited the best cell morphology, minimum apoptosis rate, and maximum osteogenic activity. This work may open a new perspective on the development and biomedical applications for Mg-Ti composites.

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“…Ti and Ti-6Al-4V are commonly used as support structures for the preparation of titanium-magnesium composites ( Wang et al, 2011 ; Esen et al, 2020 ). Commercially-pure Ti (CP-Ti) as an α titanium alloy, only the CP-Ti with grade 4 is used for dental applications or forfabrication of porous coatings rather than joint implants due to its low mechanical strength at room temperature ( Chen and Thouas, 2015 ).…”

Section: Mechanical Propertiesmentioning

confidence: 99%

“…The degradation of Mg and Mg alloys increases the OH − concentration in the environment ( Atrens et al, 2013 ), which can lead to an increase of pH around the local implant tissues and increase the risk of alkalosis in the human body. Esen et al (2020) found that the pH of a variety of titanium-magnesium composites soaked in physiological solutions for up to 48 h increased dramatically to 10 or even higher. High pH can lead to severe internal injuries, but as mentioned earlier, the implant induces inflammation in the tissues surrounding the implant during the pre-implantation phase, creating an acidic environment where these acids may neutralize the OH − produced by the titanium-magnesium composite, which is helpful for the body and the implant.…”

Section: Degradation Performancementioning

confidence: 99%

Progress in partially degradable titanium-magnesium composites used as biomedical implants

Wang

Bao

et al. 2022

Front. Bioeng. Biotechnol.

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Titanium-magnesium composites have gained increasing attention as a partially degradable biomaterial recently. The titanium-magnesium composite combines the bioactivity of magnesium and the good mechanical properties of titanium. Here, we discuss the limitations of conventional mechanically alloyed titanium-magnesium alloys for bioimplants, in addition we summarize three suitable methods for the preparation of titanium-magnesium composites for bioimplants by melt: infiltration casting, powder metallurgy and hot rotary swaging, with a description of the advantages and disadvantages of all three methods. The titanium-magnesium composites were comprehensively evaluated in terms of mechanical properties and degradation behavior. The feasibility of titanium-magnesium composites as bio-implants was reviewed. In addition, the possible future development of titanium-magnesium composites was discussed. Thus, this review aims to build a conceptual and practical toolkit for the design of titanium-magnesium composites capable of local biodegradation.

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Corrosion behaviours of Ti6Al4V-Mg/Mg-Alloy composites

Cited by 29 publications

References 45 publications

Laser shock peening (LSP): Electrochemical and hydrodynamic investigation of corrosion protection pre-treatment for a copper surface in 3.5 % NaCl medium

Laser shock peening (LSP): Electrochemical and hydrodynamic investigation of corrosion protection pre-treatment for a copper surface in 3.5 % NaCl medium

Biodegradability and Cytocompatibility of 3D-Printed Mg-Ti Interpenetrating Phase Composites

Progress in partially degradable titanium-magnesium composites used as biomedical implants

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