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Meeting 2020 TMS Annual Meeting & Exhibition
Symposium Advances and Discoveries in Non-equilibrium Driven Nanomaterials and Thin Films
Presentation Title Wetting Behavior of Ce-based Conversion Coatings on 7075 Aluminum Alloy
Author(s) Diana Galeano, Santiago Vargas, Carlos Eduardo Castano
On-Site Speaker (Planned) Diana Galeano
Abstract Scope Aluminum alloys and other metal components need protective coatings or surface treatments to deal with environmental corrosion. Rare-earth-based conversion coatings are good environmentally-friendly candidates for lightweight metals. However, these coated systems stored in a humid environment will eventually get prone to corrosion. So, coatings with additional properties such as hydrophobicity will guarantee a longer shelf life of the components. Superhydrophobic surfaces have gained a particular interest in the industry since their properties allow to use them in different technological applications. This work investigates the wettability behavior of Cerium-based conversion coatings on 7075 Aluminum alloy obtained by spontaneous electroless immersion technique. The surfaces turn from hydrophilic to superhydrophobic as a result of controlled heat treatment. The rare phenomenon of superhydrophobicity in these oxides is explained by the nanostructure, electronic structure, and morphology of the films.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

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Development of Reactive Molecular Dynamics (MD) and Hybrid Reverse Monte Carlo (HRMC) Modeling to Synthesize Amorphous Boron Carbide
Discoveries of Q-carbon and Q-BN and Direct Conversion of Carbon into Diamond and h-BN into c-BN
Dynamically Evolving Metastability in an Atomic Hourglass: Temporal Control of the Metal-insulator Transition of VO2 by a Mobile Dopant
Effect of Interfacial Strain on the Point-defect Energetics in LaNiOx
Emergence of Shallow Energy Levels in B-doped Q-carbon: A high- temperature Superconductor
Enhanced Field Emission of CNT-W Nanowire Hierarchical Emitters
Fabrication of Nanodiamond and Q-carbon by Ultrafast Quenching of Carbon Structures for Electron Field Emission Devices
Formation of Reduced Graphene Oxide/amorphous Carbon P-N Junctions via Highly Nonequilibrium Route of Nanosecond Laser Irradiation
Heat Capacity and Free Energy of Ni-Fe Nanocrystals
In-situ Analysis of IR Laser Radiation Damage on Nano-structured MoS2
In-situ and Real Time Chemical Analysis of Complex Oxide Thin Film Surfaces using Pulsed Laser Deposition
Laser Processing in the Transmission Electron Microscope
Low Temperature, Metal Induced Crystallization Growth of SixGe1-X Films on Nanostructured Si Substrates
Magnetism in Graphene Nanoribbons
Metastable Silicon Nanocomposites via Plasma Synthesis and Spark Plasma Sintering
Microstructure Morphology and Concentration Modulation of Bicontinuous Nanocomposite Thin-films during Physical Vapor Deposition
Microstructures Studies on Ag-TiO2 Thin Films for Self-cleaning Solar Panel Application
Morphological Evolution of Phase-separated Domains in Vapor-deposited Polycrystalline Alloy Films
Quasi-one-dimensional Mo Chains for Efficient Hydrogen Evolution Reaction
Recent Advances in Thin Film Thermoelectrics: SnSe and Beyond
Scalable Synthesis of Graphene Quantum Dots and its Application in Bioimaging
Stabilization of High-temperature Polymorphs of SrSnO3 at Room Temperature via Epitaxy
Structural Transformation in Sn and CNT Reinforced Al-Cu-Fe Quasicrystalline Matrix Nanocomposite: Influence of Mechanical Milling and Cryomilling
Structure-dependent Optical and Electrical Properties of CeOx Coatings Growth by RF-MS and HIPIMS
Surface Chemistry Evolution in Ti-BNNT System Processed by SPS and its Correlation to Physico-chemical and Mechanical Properties
Synthesis and Densification of Functional Metal-oxide Nano Bulk Composite with Far from Equilibrium State
The Transition from Amorphous Carbon to Carbon Nanohorns by DC Arc Discharge
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Understanding the Effects of Lattice Strain on MoS2 through Irradiation
Wetting Behavior of Ce-based Conversion Coatings on 7075 Aluminum Alloy

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