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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Powder Metallurgy of Light Metals
Presentation Title Processing-structure-property Relations in Powder Metallurgy Mg97Zn1Y2 Alloys
Author(s) R Sadangi, D Kapoor, T Zahrah, R Tandon, D Madan
On-Site Speaker (Planned) R Sadangi
Abstract Scope Rapid solidification technology has been applied to a number of magnesium compositions in an effort to increase solubility limits and microstructrural homogeneity. Inoue et al. have developed a Mg97Y2Zn1 (at.%) alloys with yield strength (~610 MPa) with 5% of elongation. We have been investigating alternate powder processing methods of this ternary alloy composition via mechanical alloying and gas atomization. Prior work focused on synthesis and processing of the ternary alloys via mechanical alloying. Current work is focused on consolidation of commercially available gas-atomized powders by a two-step consolidation process: (a) Hot Isostatic Pressing (HIP), and (b) Extrusion. The HIP-ed materials display inferior mechanical properties as the prior-particle boundaries provide path for easy crack propagation. Extruded structures show significant property improvements through redistribution of prior particle boundaries. This paper compares the structure and properties of powder metallurgy Mg97Zn1Y2 alloys, obtained via the two processing methods.
Proceedings Inclusion? Planned: EPD Congress Volume

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An Energy Efficient Thermochemical Process for Production of Ti Metal Powder
Characteristics of Titanium Powders by Gas Atomization and PREP
Dehydrogenation Kinetics of Hydrogen Sintered Titanium
Development of an Efficient TiAl Alloy and Densification of Near-net Shape Blades by Spark Plasma Sintering
Development of Low-cost Ti-6Al-4V Fasteners through Powder Metallurgy Method
Development of Powder Metallurgical Ti- Ta-Mo Alloys with High Strength and Low Modulus
Effect of Mo Particle Sizes on Microstructure and Mechanical Properties of Ti-Mo Alloy Prepared by Spark Plasma Sintering
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Field Effects during Spark Plasma Sintering of AA5083 Powder
Fundamental Properties of PM Ti Materials with Nitrogen Solid-solution and TiN Particle Dispersion
High Performance Titanium Alloys with Wrought-like Microstructures and Mechanical Properties Produced by Hydrogen Sintering and Phase Transformation (HSPT)
Implementation of Titanium Powder Metallurgy for Airframe Applications
Light Weight Automotive Trends Impact on Powder Metallurgy
Mechanical Properties and Microstructure of PM Ti-Si3N4 Discontinuous Fibre Composite
Mechanism of Microstructural Refinement of Ti-6Al-4V during Hydrogen Sintering and Phase Transformation (HSPT)
Microstructural Evolution and Mechanical Responses of Solid Solution Strengthened Titanium Materials with Ubiquitous Light Elements
Microstructure and Mechanical Properties of Ti-6Al-4V Additively Manufactured by Selective Electron Beam Melting
Microstructure Evolution and Mechanical Properties Investigation of Friction Stir Welded AlMg5-Al2O3 Nanocomposites
MIM Processing of Titanium Alloys – Achievements, Setbacks and Current Research
Processing-Microstructure Relationships during Cold Spray Deposition of Aluminum-Copper Alloys
Processing-structure-property Relations in Powder Metallurgy Mg97Zn1Y2 Alloys
Production of Titanium Hydride Powder by Leaching of Aluminum and Silicon Impurities from Reduced Upgraded Titania Slag for Low Cost Titanium Production
Room Temperature Viability of NiMnCoSn as Magnetic Shape Memory Sensory Particle in an SPS Consolidated Al7075 Composite
Synthesis and Densification of Large-sized TiAl Alloy Samples by Spark Plasma Sintering
Titanium Foam for Cancellous Bone Implant Prepared by Space Holder Technique
Trace Carbon in Biomedical Beta-titanium Alloys by Powder Metallurgy Approaches
Tuning of Close-coupled Gas Atomization for Generating Light Metal Powder for Additive Manufacturing
Verification of a Predictive Strength Model for Gas-Atomized Aluminum Powder

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