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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Powder Metallurgy of Light Metals
Presentation Title Synthesis and Densification of Large-sized TiAl Alloy Samples by Spark Plasma Sintering
Author(s) Yongjun Su, Deliang Zhang
On-Site Speaker (Planned) Yongjun Su
Abstract Scope It has been well established that fully or nearly fully dense TiAl alloy samples with homogeneous microstructures can be obtained by spark plasma sintering (SPS) in a few minutes. However, the previous experrimental studies were only limited to fabricating small sized TiAl alloy samples, and no works on SPS of large-sized TiAl alloy samples have been seen. This talk presents and discusses our work on the synthesis and densification of large-size TiAl alloy samples. TiAl alloy powder with the composition of Ti-48Al-2Cr-2Nb was consolidated by SPS at different temperatures and different holding times. Finally, a densified TiAl alloy with a diameter of 60 mm was fabricated at 1300 C for 30 min by SPS. The microstructures and mechanical properties of the samples were studied by conducting scanning electron microscopy and tensile testing at room temperature. It was confirmed that large sized sample had a homogeneous microstructure and good tensile ductility.
Proceedings Inclusion? Planned: EPD Congress Volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Porous TiAl Intermetallic Compound with Double Pore Structures Fabricated by Powder Metallurgy Using Carbamide as a Space Holder
Advances in Additive Manufacturing of Magnesium
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
Enhanced Sintering Kinetics in AA5083 Powder Processed Using DC Electric Fields
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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