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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Advanced Functional and Structural Thin Films and Coatings
Presentation Title Application of Mg/Al2O3 and Mg/SiO2 Nanolaminates for Uniform and Controlled Corrosion of Biodegradable Implants
Author(s) Pratap N. Deshmukh, Sudheer Neralla, Jagannathan Sankar, Sergey Yarmolenko
On-Site Speaker (Planned) Pratap N. Deshmukh
Abstract Scope Degradable thin films are found to be effective for controlling corrosion of biodegradable implant materials. We have shown that uniform corrosion of magnesium alloy substrates can be achieved by depositing slow-degrading water-permeable Mg/MeOx nanolaminates. In this study, model Mg/Al2O3 and Mg/SiO2 nanolaminates, with bilayer thickness varying from 20 to 100 nm, were deposited on glass substrates using magnetron sputtering techniques at room temperature. These coatings degrade through formation and growth of pores in magnesium layers resulted in reaction of Mg with water penetrating through defects in oxide layers. Applicability of these nanolaminates for controlling degradation was studied by immersion of the samples in different concentrations of saline and measuring pore growth rate at 37C using optical microscopy. Effect of oxide layer thickness, saline flow rate and sputtering deposition parameters on pore density and corrosion rate was investigated. It was found that nanolaminate degradation time is proportional to number of bilayers.
Proceedings Inclusion? Planned:
Keywords Thin Films and Interfaces, Magnesium, Surface Modification and Coatings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A-2: Corrosion Behaviour of an Aisi 4140 Steel Nitrided by Plasma in a Seawater Medium Solution
A-3: Incorporation of Metallic Nanoparticles into Alkyd Resin: A Review of their Coating Performance
A-4: Nanostructured Graphene Thin Films: A Brief Review of Their Fabrication Techniques and Corrosion Protective Performance
A-5: The Design of Coatings Developed Using Polyetherimide and Nanocomposites Thereof for Corrosion Protection of Base Metals
A-6: The Effect of Additives in Hybrid Zr-based Chemical Conversion Coating on the Surface Morphology Chemical Compositions and Corrosion Resistance
A-7: Tribocorrosion Performance of Polymer-derived Ceramic Coatings on 304 Stainless Steel
Application of Mg/Al2O3 and Mg/SiO2 Nanolaminates for Uniform and Controlled Corrosion of Biodegradable Implants
Bandgap Emission of Czochralski-silicon Coated with Spin-coated Silica Using Various Catalysis
Challenges of TiN Thin Film Coating Development and Deposition onto Medical Grade Thermoplastic Polyurethane (TPU) Used in Biomedical Devices
Doping of Biomimetic Calcium-deficient Hydroxyapatite Deposited on Activated Carbon Fiber Cloth to Improve Bone Regeneration
Effect of Oxygen Partial Pressure and Pulse Frequency on the Structure and Properties of Tungsten Incorporated Ga2O3 Films made by Pulsed Laser Deposition
Effects of Femtosecond Laser Shock Peening on the Tribocorrosion Resistance of Biodegrade WE43 Magnesium Alloys
Ellipsometry Characterization of Plasmonic Responses of Nanoparticles
Fifty Shades of TiN: How Deposition Conditions Influence the Growth Morphology and Thereby Hardness and Especially Fracture Toughness
Grafting Phosphonic Acid Polymers onto Titanium Implant by UV Irradiation
Improvement of Corrosion Resistance of A36 Steel Using SiC and TiB2 Thermally Sprayed Coatings
Improvement of Hydrophilicity and Wetting Behavior on Patterned PLA Substrates by AP Plasma Treatment and APTES Grafting
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Investigation of Pineapple Leaf Fiber Reinforced Natural Rubber by Dynamic Mechanical Properties
Large Scale Growth of Diamond on Surface-terminated Silicon-incorporated Diamond-like Carbon Thin Films
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Microstructural Characterization and Vibration Damping Behavior of Al-NiTi Composites
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Non-reactively Sputtered Ultra-high Temperature Nb-C Coatings
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Numerical Study of Intrinsic Stresses in Perovskite-on-Si Solar Cells with Intermetallic Bonding
Performance of nc-AlTiN/Si3N4 and ZrO2/Al2O3 Coated Carbide Inserts in Dry Turning of AlSI304 Stainless Steel
Polymer Grafting on Metal Surfaces Using “Grafting from” Chemical Method
Polymeric Coatings Embedded with Green Anti-corrosive Pigment for Corrosion Inhibition of Steel
Radiative Properties of Polymers
Silicone Breast Implants: Grafting of a Bioactive Polymer to Improve the Bio-integration
Stress Evolution and Recovery in High-entropy Metal Sublattice Diborides
Study on Surface Cracking and Interfacial Delamination of Metallic Coatings Using a Tension Test
Surface Chemistry and Subsurface Microstructure of Al 2024-T3 Laser-interference Structured
(CrMoTaVNb)Si2: A Novel Single-phase High Entropy Silicide Material

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