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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium Magnesium Technology
Presentation Title NOW ON-DEMAND ONLY – E-19: Effect of ECAP on Corrosion Properties of ZK40 Magnesium Alloy for Biodegradable Load-bearing Applications
Author(s) Hamza Faisal Ghauri, Marwa AbdelGawad, Matthew Vaughan, Bilal Mansoor, Ibrahim Karaman, Hans Jürgen Maier
On-Site Speaker (Planned) Hamza Faisal Ghauri
Abstract Scope Equal channel angular extrusion was employed on Mg-4%Zn-0.5%Zr (ZK40) to explore its potential for biodegradable orthopedic applications. The as-extruded and heat-treated starting material displayed inhomogeneous microstructure while after ECAP by 4Bc, significant grain refinement and precipitate modifications resulted in a relatively more homogenous microstructure. Preliminary investigations of time-dependent EIS plots and corroded surface morphologies revealed evidence of galvanic couples between populations of grains with different grain sizes as well as the grain matrix and the precipitates. The ultra fine-grained structure was also found to reduce the overall corrosion resistance of ZK40 indicating an underlying contributing factor which was linked to the composition and integrity of the developing surface film. Cross-section SEM images and X-ray photoelectron spectroscopy (XPS) results revealed a more compact and thicker surface film on pre-ECAP ZK40 despite having an inhomogeneous microstructure, in addition to evidence of the disassociation of Zr from the matrix into the surface film.
Proceedings Inclusion? Planned:
Keywords Magnesium, Biomaterials, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Magnesium Clean Energy Ecosystem Vision
A Method for Crystal Plasticity Model Parameter Calibration Based on Bayesian Optimization
A Predictive Multisurface Approach to Damage Modeling in Mg Alloys
Accelerated Micromechanical Response Prediction Using a Deep Network-based Surrogate Model
Active Corrosion Protection Surfaces Based on Layered Double Hydroxides Nanocontainers: A Computational Study
An Update on Magnesium Based Powder Metallurgy and Additive Manufacturing Processes
Assessment of Extruded Magnesium Tubing for Absorbable Stent Production
Characterization of Binary Solute Contributions to Cyclic Deformation in Magnesium Alloys by High Energy X-ray Diffraction
Characterizing Precipitate Composition and Grain Boundary Segregation Behavior in Mg-alloys
Design of Efficient Low-cost Recycling of Magnesium Using Gravity-driven Multiple Effect Thermal System (G-METS)
Determining the Contributions of Dynamic Recrystallization and Deformation Mechanisms to the Weak Textures Observed in As-deformed Mg-Zn-Ca Alloys
Development of Flame-retardant Wrought Magnesium Alloys and Application of the Alloys to High-speed Railway Body
Development of Magnesium-lithium Based Alloys for Space Applications: The Relationship between Precipitation Hardening and Damping Capacity
Dissimilar Metal Micro Friction Stir Welding of Magnesium AZ31 to Aluminum 6061
E-17: A Parametric Study of the Role of Basal-prismatic Dislocation Interactions in Dynamic Strain Aging in Mg Alloys
E-18: Corrosion Properties of Friction Stir Processed Cast Mg-alloys
E-20: Effect of Minimum Quantity Lubrication on Machinability of Magnesium RZ5 Alloy: A Comparative study
E-21: Mechanical and Microstructural Behavior of Rolled AZ31B Magnesium Alloy Subjected to Multiaxial Stress State
E-23: Possibility of Joining Explosively Welded AA1050/AZ31 Clad Plates Using FSW/Laser Hybrid Method
E-24: Primary Production of Magnesium via Molten Salt Electrolysis with Reactive Cathode
E-25: Process-structure-property-performance Relationship of Solid-state Additively Manufactured Magnesium Alloy WE43
E-27: Towards High Hardness and Corrosion Resistant Mg Alloys Using High-energy Ball Milling
E-28: Understanding Mechanisms of Electrocrystallization in Mg-based Batteries
Effect of CO2 Annealing Treatments on Corrosion Behavior of AZ91D Mg Alloy
Effect of Different Mold Materials on the Solidification Rate and Microstructure of Magnesium Alloy Plate Castings
Effect of Microstructural Refinement and Na Addition on Hydrogenation Kinetics of Cast Mg-Al-La Alloy during the First Hydrogen Absorption Process
Effect of Single Pass Differential Speed Rolling on the Dynamic Recrystallization, Microstructure and Mechanical Properties of Mg5Zn
Effective Dispersion of Stable Quasicrystals in ZW82 and ZA63 Alloys for Strengthening
Enhanced Corrosion Resistance of an AZ31 Magnesium Alloy through Shear Extrusion
Exploring the Microstructure-property Relationship of Mg-Al-Mn Alloys Enhanced via Friction Stir Processing
First-principles Investigation of Early-stage Precipitation in Mg-Sn and Mg-Zn Alloys
Flexible Surface Treatment Technology to Enable Temporary SCC Prevention for Mg Dissolvable Alloys
Friction Stir Extrusion of AZ31 Magnesium Alloy Rod
High Performance Mg-4Al-4RE (RE = Cerium and Lanthanum) Die-casting Alloy
Historical Developments and Status of Carbothermal Reduction Technology to Produce Magnesium Metal
ILTEC Technology in Magnesium Industry – Elimination of Water as Cooling Medium
Improving the Corrosion Behavior and Mechanical Properties of Biodegradable Mg-Zn-Zr Alloys through ECAP for Usage in Biomedical Applications
In-situ Analysis on Formation and Development of LPSO-like Nanostructures in Dilute MgYZn and MgGdZn Alloys
Influence of Third Alloying Element on Dislocation Slip and Twinning Activities in Mg-Nd Based Alloys
Investigation on the Effect of Si Addition in Controlling the Microstructure of Mg-4wt%Al-4wt%RE Alloy
Magnesium Alloy Development for Structural and Biomedical Applications
Mg-Ca-X Alloys – A Brief Fact Sheet of High Strength Mg Wrought Alloys
Microstructure and Texture Analysis of Dissimilar Friction Stir Welded AZ31 Mg and Al 6061 Joint
Microstructure Evolution of AZ31B Mg Alloy during Bi-axial Fatigue Loading
Multi-functional Ceramic Coatings for Corrosion Protection of Magnesium Alloys
Nanomechanical Analysis and Fractography of Extruded Mg-Dy-Nd Based Alloy Influenced by Solution Heat Treatment
Novel Laboratory-scale In Situ Methods for Studying Mg Alloy Degradation
NOW ON-DEMAND ONLY – E-19: Effect of ECAP on Corrosion Properties of ZK40 Magnesium Alloy for Biodegradable Load-bearing Applications
NOW ON-DEMAND ONLY - E-22: Phase-field Modeling of the Effects of Second Phases on the Corrosion of Mg Alloys
On the Mechanical Behaviors of Extruded AZ61A Magnesium Alloy Tube under Cyclic Torsion
Phase Field Modeling of Deformation Twinning and Dislocation Slip Interaction in Polycrystalline Solids
PRISMS-plasticity: Recent Advancements for Simulating Deformation of Mg Alloys
Quantifying the Influence of Coarse Intermetallic Particles on Twin Transmission
Role of Ca & Y in Corrosion Resistance of SEN Magnesium Alloys
Strengthening Mechanisms and Thermal Stability of MgLiCa Alloys Processed by Severe Plastic Deformation
The Comparability of In Vitro and In Vivo Experiments for Degradable Mg-implants
The Effects of Annealing Treatment on Microstructure and Mechanical Properties of the Extruded Mg-1.3Zn-0.5Ca Alloy
The Role of Ordered Phases in Enhanced Ductility of RE Based Mg Alloys
To Fail or Not to Fail
Towards Improving Cold Formability of Concentrated Mg-Al-Zn-Ca Alloy Sheet
Twinning, Detwinning and Crack Initiation in Compression-compression Fatigue of Extruded Magnesium Alloy AZ31
Unlocking the Strengthening Potential of Magnesium Alloys Using Deformation-induced Clustering and Precipitation
Unraveling Mg Slip Using Neural Network Potentials
Water Adsorption and Surface Atom Dissolution on Zn, Al, Ce Doped Mg Surfaces
Wire-based Additive Manufacturing of Magnesium Alloys

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