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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Powder Metallurgy of Light, Reactive and Other Non-ferrous Metals
Presentation Title Selective Laser Melting Based Additive Manufacturing (SLM-AM) of Commercially Pure Titanium (CP-Ti): Development of Cost-affordable Ti Powder for AM , and High-strength As-printed CP-Ti
Author(s) Ming Yan, Yuhang Hou, Dawei Wang
On-Site Speaker (Planned) Ming Yan
Abstract Scope We report two recent developments in SLM of CP-Ti: (1)Low-cost, printable CP-Ti powder: Cost is often regarded as the bottleneck for scaling up AM-fabricated Ti products because the price of gas-atomized CP-Ti powder can be up to US$600/kg. Herein we demonstrate that ball milling can be used to modify irregularly shaped hydride-dehydride Ti powder (about US$30/kg) so that its flowability meets the requirements for laser-based AM while the impurity is under control. (2)High-strength, as-printed CP-Ti: Although widely regarded as a detrimental impurity, nitrogen can be used as an effective alloying element for CP-Ti. Herein we used a mixture of Ar + N2 as a reactive atmosphere to enable the reaction between Ti and N2. We found that the tensile strength of the as-printed CP-Ti is up to 850 MPa, close to that of mill-annealed Ti-6Al-4V. Solution strengthening by N and precipitation of TixNy are the two major contributing factors.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Novel Approach to Making Metal@titanium Core-shell Powder by Fluidized Bed Chemical Vapor Deposition
A Review of the Preparation Methods of WC Powders
AA5083 Powder Sintering Comparison Using AC and DC Currents
Advanced Melt-less Powder Manufacturing Technologies
Aluminum Matrix Composites by Both Powder Metallurgy (PM) and Additive Manufacturing (AM) Methods
Characterization and Heat Treatment of Ti-6Al-4V Powders for Use in Cold Spray Deposition
Characterization of the Liquid Phase Sintered Tungsten Heavy Alloys Prepared by an Electrochemically Produced Tungsten Powder
Cost-effective Titanium Alloy Components for Internal Combustion Engine Valve Trains
Densification of Near-net Shape Turbine Blades in TiAl by Spark Plasma Sintering
Development of Gas Atomization for Generating Reactive Metal Powders for Additive Manufacturing and Powder Processing
Effect of Gradient Structure on the Sound Absorption Coefficient of Porous Metal Fiber Materials
Effect of Minor Titanium Addition on Copper/Diamond Composites Prepared by Hot Forging
Effects of Geometry Anisotropy on Fluid-flow and Mechanical Properties of Titanium Foams
Experimental Characterization of Polymeric Particles with Micro Compression Tester
Fabrication of Functional Materials Powder by Powder Metallurgical Process, and Investigation of their Bulk Properties
Fabrication of Porous Copper Structure by Using Powder Injection Molding and Space Holder Technology
Fabrication of Powder Metallurgy Ti-6Al-4V Connecting Rod by Powder Forging Process
FAST-forge: From Rutile Sand to Novel Titanium Alloy Aerospace Component in 3 Steps
High-temperature Mechanical Properties of Powder Forged Ti-6Al-4V Alloys
Hot Deformation Behaviors of Powder Metallurgy Ti-6Al-4V Alloy with Different Microstructures
Implementation of a Multi-physics Model for Simulating Microstructural Evolution during Sintering
Influence of Hot Rolling on Mechanical Behavior and Strengthening Mechanism in Boron Carbide Reinforced Aluminum Matrix Composites
Leaching Characteristics of Non Ferrous Metals Recovery from Korean Municipal Solid Waste Incineration Bottom Ash Samples
Magnesiothermic MASHS and Pressureless Sintering of Diborides of Zirconium and Hafnium
Mechanical Characterization of Cold Sprayed Aluminum Alloy Powders Using In-situ Micropillar Compression and Tension
Mechanism and Characteristics of Mn-Zn Ferrite Powder Compacts Heated by Microwave
Mesoscale Modeling of Single Particle Impact Induced Microstructural Evolution during Cold Spray of Aluminum Powders
Microstructural and Chemical Analysis of Gas Atomized and Heat Treated Aluminum Alloy Powders
Microstructure and Phase Transformations in Ti15Mo Alloy Prepared by Cryogenic Milling and SPS
Microstructure of Y2O3 Stabilized UFG CP Ti Prepared by Cryomilling and Spark Plasma Sintering
Novel Continuous Extrusion of Titanium Powders for Wire Applications
Numerical Modeling of Gas-atomized Metal Powders: Powder Size Distribution
On the Synthesis of Lithium Boron Nitride (Li3BN2): Challenges and Opportunities
Optimization of Manufacturing Process for the High Magnetic Properties of Nd-Fe-B Bonded Magnets Using High-energy Compaction Method
Powder Metallurgy of Titanium – Past, Present, and Future
Powder Metallurgy Porous Ti-10Mo Alloy for Orthopedic Applications: Structure Characterization, Mechanical Properties, Vitro Cytotoxicity and Vivo Osteointegration
Powder Metallurgy Ti-Fe alloys with Network-structured β Phases
Preparation of Titanium Foams with Uniform and Fine Pore Characteristics through Powder Metallurgy Route Using Urea Particles as Space Holder
Processing and Characterization of Porous High Entropy Alloy Structures via Freeze-casting
Producing High-quality Titanium Alloy by a Cost-effective Route Combining Fast Heating and Hot Processing
Production of Ti-6Al-4V Alloy Powder by Mechanical Alloying and Plasma Spheroidisation
Research Progress in High-performance Metal Powder Porous Materials
Selective Laser Melting Based Additive Manufacturing (SLM-AM) of Commercially Pure Titanium (CP-Ti): Development of Cost-affordable Ti Powder for AM , and High-strength As-printed CP-Ti
Solid-state Sintering of Al Alloy Powder and AlN Synthesis in Sintering
Synthesis and Characterization of Dual Matrix In-situ Al-based Nanocomposites
Technologies for the Processing of Sieve Residues: A Novel Approach for Cost-effective Production of 3D Printing Powders
The Fabrication of Core-shell Special Powders and their Potential Applications
The Mechanism and Characteristics of Mn-Zn Ferrite Powder Compacts Heated by Microwave
Utilizing Hydrogen for Improved Properties of Titanium Alloys Produced via Powder Metallurgy

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