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Meeting 2016 TMS Annual Meeting & Exhibition
Symposium Powder Metallurgy of Light Metals
Presentation Title Microstructure and Mechanical Properties of Ti-6Al-4V Additively Manufactured by Selective Electron Beam Melting
Author(s) Huiping Tang, Shenglu Lu, Jian Wang, Gang Chen
On-Site Speaker (Planned) Gang Chen
Abstract Scope Additive manufacturing (AM) is a layer-by-layer building process thereby resulting into an inhomogeneous microstructure. In this work, Ti-6Al-4V rods (diameter: 1.5mm - 12mm; height: 80mm - 300mm) and plates (thickness: 1mm -5 mm; height: 220mm; width: 40mm) have been additively manufactured by selective electron beam melting (SEBM). The as-built microstructure was consisted of martensite, massive phases and equilibrium α and β phases. It was found that the smaller the sample diameter/thickness is, the more non-equilibrium phase (i.e. martensite) exists. Along the building direction, it was revealed that the microstructure is coarsest and near equilibrium in the top segment and finest and non- equilibrium in the bottom segment. Even there are some variances in tensile properties, especially in ductility, all the tensile properties of the rods and plates meet the requirements specified by ASTM F3001-14. Post hot isostatic pressing (HIP) was used to homogenise the microstructure and realize consistent tensile properties.
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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