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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Magnesium Technology 2021
Presentation Title Microstructural characterization and hardness of rapidly solidified Mg-Si alloys
Author(s) Guilherme Lisboa de Gouveia, Josť Eduardo Spinelli
On-Site Speaker (Planned) Guilherme Lisboa de Gouveia
Abstract Scope Mg-Si alloys are great opportunities in the application as biodegradable bone implants due to their mechanical properties and non-harmful degradative characteristics in biological environments. However, the literature is scarce on studies focused on the correlation between structural and mechanical parameters in hypoeutectic Mg-Si alloys. This is explained from the challenges presented by the production of such alloys. The present study examines the experimental interrelations between microstructures and mechanical properties of the Mg-0.5wt.%Si, Mg-0.75wt.%Si and Mg-1wt.%Si alloys produced by centrifugal casting. For this, Mg-Si alloys samples with a stepped solidified shape were produced and subjected to microstructural, chemical and mechanical characterizations. The results demonstrate the occurrence of the Mg and Mg2Si phases in different proportions for each alloy of interest. Furthermore, the increase of the hardness with the increase of the Si content and, less markedly, with the decrease of the sample diameter. Quantification by measuring microstructural spacing will be outlined.
Proceedings Inclusion? Planned:


Absorbable wire radiopacity: influence of composition and size on x-ray visibility
Accounting for the Effects of Dislocation Climb Mediated Flow in Mg alloy ZK10 Sheet
Achieving Excellent Room Temperature Formability and High Strength in Wrought Magnesium Alloy Sheets
Corrosion behaviour of shear extruded magnesium alloy
Corrosion Response of Friction Stir Processed EZ33 Mg Alloy
Development of a low-cost and room-temperature formable Mg alloy sheet with in-plane isotropic tensile properties
Effect of annealing on microstructure and hardness of Mg-9Al alloy plates processed by single-pass differential speed rolling
Effect of Processing Parameters on the Microstructure and Mechanical Behavior of Additively Manufactured WE43 Mg Alloy
Effect of Sintering Temperature on the Properties of AZ91 Foamed Magnesium Alloy
Effects of Hot Isostatic Pressing on the Microstructure and Properties of Mg-Gd-Y-Zn Alloys
Efficient Low-Cost Gravity-Driven Multiple Effect Thermal System (G-METS) Distillation of Magnesium
Eliminating Yield Anisotropy and Enhancing Ductility in Mg Alloys by Shear Assisted Processing and Extrusion
Eutectic modification of Mg2Si in Mg-Si alloys for faster hydrogen absorption kinetics.
Exploring Calcium for Improving Properties of Magnesium Alloys with a Destination for Rolled Sheet
Hardening effects of sheared precipitates on twinning in magnesium alloys
Industrial Practice of Extracting Magnesium from Serpentine
Influence of layer thickness on deformation twinning in Mg/Nb laminates
Interactions of a basal edge dislocation with vacancies and interstitials in magnesium
Lanthanum Phosphate Coating on Magnesium Alloys for Biomedical Application, Developed via Sol-Gel and Chemical Conversion Route
Liquid Enhanced Ga-Sn Alloy Anode for RMBs
Low-cost Magnesium Primary Production Using Gravity-driven Multiple Effect Thermal System (G-METS) Distillation
Magnesium and Magnesium Alloy Powder Processing Towards the Development of Near Shape Structural Materials
Measurement of the Critical Resolved Shear Stress for Slip in Mg Alloys Using Instrumented Indentation
Mechanical and microstructural behavior of rolled AZ31B magnesium alloy under three different stress states
Mechanisms and Machine Learning for Mg Alloys Design
Microstructural characterization and hardness of rapidly solidified Mg-Si alloys
Microstructure and fracture toughness of an extruded Mg-Dy-Nd-Zn-Zr alloy influenced by heat treatment
Microstructure and properties of Mg-Gd-Y-Zn-Zr alloy fabricated by centrifugal casting and ring-rolling process
Numerical Study of Multi-axial Loading Behavior of Mg Alloy AZ31 Extruded Bar
On the Role of Crystallographic Anisotropy and Texture in Damage Tolerance of Magnesium and its Alloys
Optimization of Mechanical Properties in Magnesium Zinc Alloys
Preparation of Thin-walled Magnesium AZ31 Alloy Tubes Using Friction Stir Extrusion
Quantitative analysis of impurity elements in pure magnesium by glow-discharge mass spectrometry (GDMS)
Quasi-static and Dynamic Rate Mechanical Behavior and Microstructural Investigation of High-purity Mg and AZ31B Alloy
Research on extracting magnesium from carbide slag and magnesite in flowing argon atmosphere
Revisiting Pyramidal Slip in Magnesium
Role of microstructural heterogeneities in damage formation and fracture of coarse-grained Mg during tensile loading
Role of temperature and pre-strain in fatigue strength of WE43-T5 magnesium alloy
Texture and Microstructure Evolution in Thermomechanically Processed Mg-Ca and Mg-Zn-Ca Alloys
The effects of basal and prismatic precipitates on deformation twinning in AZ91 magnesium alloy
The Gradient Microstructure and Deformation heterogeneity in HPDC AM60 Alloy
The high-solution design of Magnesium alloys
The Margins of Magnesium
Thermally activated nature of basal and prismatic slip in Mg and its alloys
Three dimensional atomistic simulations of {101 ̅2} non-cozone twin-twin interaction in Mg – Role of twin stability and mobility
Three Dimensional Interaction of {101 ̅2} Twins with Tilt Boundaries in Mg: Twin and Dislocation Transmission
Understanding Twinning-detwinning Behavior of Unalloyed Mg during Low-cycle Fatigue Using High Energy X-ray Diffraction
In situ study of Mg-Zn alloy degradation mechanisms towards advancing in vitro testing

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