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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Building the Pathway towards Process and Material Qualification
Presentation Title A-53: Feasibility Study of Making -TiAl Parts with Electron Beam Melting: Pathway towards Additively Manufacturing Complex Engine Components
Author(s) Ercan Cakmak, Indrani Sen, Peeyush Nandwana, Thomas R Watkins, Ryan R Dehoff, Roger England, Allen Haynes
On-Site Speaker (Planned) Ercan Cakmak
Abstract Scope Titanium aluminide alloys based on the γ-TiAl phase have been of great interest owing to their high specific strength, good strength retention and good corrosion and oxidation resistance at high temperatures. However, their brittle nature makes them hard to manufacture and machine using conventional techniques. Additive manufacturing is a promising alternative for the manufacture of complex geometries with its near net shape manufacturing capability. In this feasibility work, TiAl preforms have been manufactured using the electron beam melting technique. Mechanical testing was performed both at room and high temperature. Characterization experiments were performed to assess the constituent phases, residual stresses, microstructures and grain orientations. Effect of process conditions on the resultant microstructures and microstructure-mechanical property relations are discussed.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


A-44: A Partial Solution to Modeling the Anisotropic Material Properties of Fused Deposition Modeling ABS: Part 2 of 2
A-45: A Simulation Framework for Quantifying Uncertainty in the Mechanical Performance of Additively Manufactured Parts
A-46: Composite Powder Consolidation Using Selective Laser Melting: Input Energy/Porosity Morphology/Balling Effect Relation
A-47: Current Process Limitations of Synthetic Rock Fabrication Using Additive Manufacturing
A-48: Design and Additive Manufacturing of a Scale Model Heat Exchanger for Geothermal Applications
A-49: Qualification of Products Manufactured by Additive Manufacturing as per DNVGL-SE-0160
A-50: Evaluation of Graphene Reinforced Aluminum Prepared by Ball Milling and Selective Laser Melting
A-51: Experimental Technique for Extracting Local Mechanical Behavior from AM Components with Spatially Varying Mechanical Properties for Correlation with FEA Modeling
A-53: Feasibility Study of Making -TiAl Parts with Electron Beam Melting: Pathway towards Additively Manufacturing Complex Engine Components
A-54: In Situ Neutron Diffraction Measurements on Additively Manufactured Stainless Steel
A-55: In Situ Nondestructive Evaluation for Achieving Closed Loop Feedback Control of Ultrasonic Additive Manufacturing
A-56: Microstructure-property Relations of Additively Manufactured 17-4 PH and 316L Steels
A-57: Microstructure and Mechanical Properties of Ti-6Al-4V Additively Manufactured by Selective Electron Beam Melting
A-58: Microstructure Evolution in Additively Manufactured Ti-6Al-4V Alloys
A-59: Microstructure, Mechanical and Electrical Properties of Pure Metallic Microstructures Fabricated Using 3D Localized Electrodeposition
A-61: Nanomechanical Characterization of Functionally Graded Al-Fe MMC Processed by Additive Friction Stir Processing
A-62: Numerical Investigation of Surface Morphology with Different Laser Scanning in Selective Laser Melting
A-64: Physics-based Surrogate Model for Uncertainty Quantification of Single Track Geometry in Selective Laser Melting
A-65: Plasticity and Damage Modeling Capturing Strain-rate and Stress-state Effects of Solid State AFS Additive Manufactured Aluminum Alloys
A-66: Post-processing Effects on AM Pore Geometry
A-68: Process Parameter Optimization Strategy for Ni-based Superalloy in Electron Beam Melting Additive Manufacturing: As-built Part Quality and Microstructure
A-69: Processing-structure-property Correlation for Fused Deposition Modeling of Graphene-polylactic Acid Composites
A-70: Production and Additive Manufacturing of TiNi Powders by PREP
A-71: Recylability Study on a Gamma-TiAl Alloy for use in Electron Beam Melting Additive Manufacturing
A-72: Relating Crack Formation to Process Parameters in MarM-247 Fabricated by Electron Beam Melting
A-74: Stainless 316L Powder Recyclability and Oxygen Pickup as Applicable to Selective Laser Melting (SLM)
A-75: Systematic Approach to Quantifying the Anisotropic Elastic Modulus of FDM Materials
A-77: The Effect of Surface Finish on Performance in Additive Manufacturing
A-79: Understanding the Role of Process Variables on Mechanical Properties
A-80: Vapor Bath Treatment of Fused Filament ABS for Fatigue Life Improvement
A-82: In-Process Layer-by-layer Surface Characterization of Metals Fabricated using Laser Engineered Net Shaping (LENS)
A Comparison of Mechanical Properties of Additively Manufacturing and Conventionally Manufactured Components
A Highly Fracture and Fatigue Resistant Optimized As-deposited EBM Ti-6Al-4V
Additive Friction Stir: A New Additive Manufacturing Technology for Metallic Structural Materials Including Ti64
Additive Manufacturing of Alloy 718 by Powder Bed Fusion Methods
Additive Manufacturing of Polymer-derived Ceramics
Aerospace Applications for Additive Manufacturing
ALE3D's High-Order Fully-Implicit All-Speed Navier-Stokes Solver for Additive Manufacturing Applications
Cellular Automata based Microstructural Modeling for Additive Manufacturing Processes
Challenges and Opportunities for Metal Additive Manufacturing
Characterization of Additive Manufactured IN718 Using Ultrasonic Measurements
Characterization of the Elastic Properties and Microstructure of SLM Al-10Si-Mg
Characterizing Microstructure in Ti Alloys Using Synchrotron-based MicroCT
Control of Deposition Interface Quality in Additive Manufacturing
Development of an Integrated Laser-aided Metal Additive Manufacturing System with Real-time Process, Dimensions, and Property Monitoring, Measurements and Control
Development of Titanium Alloys Optimized for Additive Manufacturing Employing Laser Deposition of Powders
Effect of Process Time Interval on Mechanical Behavior of Metallic Parts Fabricated via Directed Energy Deposition
Effect of the Isotropic and Anisotropic Work Hardening on the Micromechanics Behavior in Textured Inconel 718 by Electron Beam Additive Manufacturing
Embedding Fiber Bragg Gratings with Ultrasonic Additive Manufacturing
High-throughput Testing Reveals Rare, Catastrophic Defects
Identification of Defect Signatures in an Additively Manufactured Precipitation Hardened Stainless Steel
Identifying Critical Variables for Laser Powder Bed Fusion
In-process Monitoring of Cross Contamination in Laser Powder Bed Fusion Additive Manufacturing
In Situ Observation of Porosity Formation in Selective Laser Melting Using Synchrotron-based High Speed X-ray Imaging
Influence of Powder Characteristics on the Defects and Oxidation of High Purity Tungsten Produced via Selective Laser Melting (SLM)
Investigation of Powder Feedstock Variability for SLM Alloy 718
Machine Learning Applications for Microstructure and Process Qualification in Additive Manufacturing
Matrix Grain Refinement in Functionally Graded Ti-6Al-4V/TiB Composite Fabricated by LENS Additive Manufacture
Microstructure and Mechanical Properties of Laser Deposited Ni/WC Metal Matrix Composite Coatings
Microstructure Evolution, Fatigue Crack Growth Mechanisms, and Effects of Heat Treatment and HIP in Ti-6Al-4V Alloys Fabricated by Electron Beam Melting
Microstructure Variation and Process Model Developments For LENS
Microstructures of Nickel-base Superalloy IN100 Fabricated through Scanning Laser Epitaxy
Modeling the Effects of Microstructure on the Strength of Additively Manufactured Ti-6Al-4V
Multiscale Mechanical Property Measurement and Microstructural Characterization of Additively Manufactured Ti-6Al-4V Components
Nanomechanical and EBSD Characterization of Additive Manufactured Mg Alloys
Normal Track Size Related and Abnormal Lack of Fusion Defects Formed during Selective Laser Melting of CoCrMo Alloy
Numerical Investigations of the Coating Process during Powder Bed Additive Manufacturing
Optimization Framework for Designing of Scanning Strategies for Microstructure Control in Additive Manufacturing Using Numerical Modeling Aided by High Performance Computing
Optimizing, Fabricating and Characterizing Additively Manufactured Process Tubing
Phase-field Modeling of Microstructure Evolution during Additive Manufacturing of Ti-6Al-4V Alloys
Positional Dependence of Pore Morphology, Size and Orientation in SEBM Ti-6Al-4V and Influence on Mechanical Properties
Process Monitoring for Powder Bed Fusion of Metal Alloys Using High Speed Optical Diagnostics
Processing, Microstructure, and Tensile Behavior of MarM-247 Fabricated by Electron Beam Melting
Qualification Development for AlSi10Mg for Robotic Spaceflight
Residual Stress Characterization of Additively Manufactured Components
Residual Stress Control in Additive Manufacturing through Integration of Physics-based and Data-driven Modeling
Scaling Relationships for Direct Ink Writing with Acoustic Focusing
Simulation and Experimental Validation of Thermal Cycling Motivated Distortion on Parts Produced Using Alloy IN 625 via Selective Laser Melting
SLM Process Variables and Part Geometry Optimization Based on Numerical Prediction of Process Induced Distortions
Statistical Design Guidelines for Powder Bed Fusion
Stress State, Strain Rate and Temperature Dependence of an Electron Beam Additive Manufactured Ti6Al4V
Structure / Property (Constitutive and Dynamic Strength / Damage) Characterization of Additively Manufactured (AM) Tantalum Produced Using Different AM Build Methods
Surface Topography and the Relationship to Surface and Near-surface Structures in Laser Powder Bed Fusion Additive Manufacturing
The Development of a L-PBF Test Bed and Evaluation of In-process Sensing Technologies
The Influence of Gas Cooling in Context of Wire Arc Additive Manufacturing: A Novel Strategy of Affecting Grain Structure and Size
The Use of Laser Ultrasound to Detect Defects in Laser Melted Parts
Tomography and 3D Grain Mapping for Additive Manufacturing Qualification
Toward a New Generation of Thermodynamic Models for Alloy Additive Manufacturing
Understanding the Influence of Powder Bed Fusion Processing on the Shape Memory Alloy, Uranium-6 wt. Pct. Niobium
Using Neutron and High Energy X-ray Diffraction to Probe Additively Manufactured Materials Over a Range of Length and Time Scales

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