Biodegradable magnesium alloy coated with TiO2/MgO two-layer composite via magnetic sputtering for orthopedic applications: A study on the surface characterization, corrosion, and biocompatibility

Samiee, Mohsen; Hanachi, M.; Seyedraoufi, Z. S.; Eshraghi, Mohamad Javad; Shajari, Y.

doi:10.1016/j.ceramint.2020.10.196

Cited by 18 publications

(2 citation statements)

References 33 publications

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“…For example, the deposition of a 100-nm-thick ZrO 2 coating on an AZ31 Mg alloy was shown to reduce corrosion rates and hydrogen evolution, which is a result of lower SCC susceptibility for the ceramic coating [ 271 ]. Besides, no toxic compact metal oxides with bioactive degradation products are recommended, as they can not only act as a physical barrier but also result in an increase in cell growth and a reduction in cell death [ 272 ]. In addition, physical vapor deposition of an Ag–ZnO coating on the substrate can considerably reduce corrosion rates and improve antimicrobial properties [ 171 ].…”

Section: A Methodology For Improving Corrosion Resistancementioning

confidence: 99%

Corrosion Behavior in Magnesium-Based Alloys for Biomedical Applications

Liu

Sun

et al. 2022

Materials

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Magnesium alloys exhibit superior biocompatibility and biodegradability, which makes them an excellent candidate for artificial implants. However, these materials also suffer from lower corrosion resistance, which limits their clinical applicability. The corrosion mechanism of Mg alloys is complicated since the spontaneous occurrence is determined by means of loss of aspects, e.g., the basic feature of materials and various corrosive environments. As such, this study provides a review of the general degradation/precipitation process multifactorial corrosion behavior and proposes a reasonable method for modeling and preventing corrosion in metals. In addition, the composition design, the structural treatment, and the surface processing technique are involved as potential methods to control the degradation rate and improve the biological properties of Mg alloys. This systematic representation of corrosive mechanisms and the comprehensive discussion of various technologies for applications could lead to improved designs for Mg-based biomedical devices in the future.

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Section: A Methodology For Improving Corrosion Resistancementioning

confidence: 99%

Corrosion Behavior in Magnesium-Based Alloys for Biomedical Applications

Liu

Sun

et al. 2022

Materials

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“…Thus, the coatings developed via the magnetron sputtering process can result in poor osseointegration. The osseointegration of the coatings can be improved by changing the microstructure, surface morphology, and thickness of the coatings (Samiee et al, 2021). The magnetron sputtering process requires relatively lower processing temperatures.…”

Section: Concluding Remarks and Future Directionsmentioning

confidence: 99%

The Improvement in Surface Properties of Metallic Implant via Magnetron Sputtering: Recent Progress and Remaining Challenges

et al. 2022

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Bioceramic coatings on metallic implants provide a wear-resistant and biocompatible layer, that own ability to develop bone-like apatite in physiological environments to ensure bonding with hard tissues. These bioceramics primarily belong to Calcium Phosphates (CaPs), bioactive glasses, and glass-ceramics. Several techniques are used to deposit these coatings such as; electrophoretic deposition (EPD), plasma spray (PS), and Radio frequency magnetron sputtering (RFMS). Most of these techniques require a high-temperature operation or sintering treatment. This causes either thermal decomposition of bioceramic or results in delamination and cracking of the bioceramic coating due to differences in thermal expansion behavior of metals and bioceramics. RFMS is primarily carried out either at room temperature. However, annealing is performed or substrate is heated at various temperatures ∼400–1,200°C for 2 or 4 h under dry argon (very low temperature compared to other techniques) to ensure crystallization of bioceramics and improve coating adhesion. Chemical composition stability and excellent surface finish are the premium features of RFMS, due to less heat involvement. Moreover, RFMS has the unique ability to develop one-unit/ multilayered composite coatings and the flexibility of in-situ reactions to yield oxides and nitrides. Single or multiple targets can be employed with the insertion of Oxygen and Nitrogen to yield versatile coatings. Due to this attractive set of features RFMS has a strong potential in the field of bioceramic coatings. In recent years, several multifunctional bioceramic coatings have been deposited on metallic substrates using RFMS for biomedical applications. This review focuses on the recent efforts made in order to deposit multifunctional bioceramic RFMS coatings with surface characteristics necessary for biomedical applications and highlights future directions for the improved biological performance of RFMS bioceramic coatings.

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Enhanced corrosion protection of magnesium alloy via in situ Mg–Al LDH coating modified by core–shell structured Zn–Al LDH@ZIF-8

Wang

Shao

et al. 2022

Rare Met.

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Biodegradable magnesium alloy coated with TiO2/MgO two-layer composite via magnetic sputtering for orthopedic applications: A study on the surface characterization, corrosion, and biocompatibility

Cited by 18 publications

References 33 publications

Corrosion Behavior in Magnesium-Based Alloys for Biomedical Applications

Corrosion Behavior in Magnesium-Based Alloys for Biomedical Applications

The Improvement in Surface Properties of Metallic Implant via Magnetron Sputtering: Recent Progress and Remaining Challenges

Enhanced corrosion protection of magnesium alloy via in situ Mg–Al LDH coating modified by core–shell structured Zn–Al LDH@ZIF-8

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