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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing of Metals: Establishing Location Specific, Processing-Microstructure-Property-Relationships III
Presentation Title Deformation Mechanism of Inconel 718 Made by Additive Manufacturing and Investigated by In-situ Neutron Diffraction
Author(s) Qingge Xie, Yan Chen, Alexandru Dan stoica, Gian Song, Sarma Gorti, Radhakrishnan Balasubramaniam, Hassina Z Bilheux, Michael M Kirka, Ryan R Dehoff, Jean-Christophe Bilheux, Louis J. Santodonato, Ke An
On-Site Speaker (Planned) Qingge Xie
Abstract Scope Inconel 718 samples made by additively manufacturing process (AMP) with two different microstructures were studied using time-of-flight in-situ neutron diffraction. The lattice strain behavior of both samples was investigated under tensile and compression tests. Although similar behavior as the deformation of single phase face centered cubic (FCC) metals was observed, i.e. the <220> peak intensity in the load direction (LD) increases in compression and the <111> and <200> peak intensities increase in tension. The deformation of the FCC matrix of current samples under the effect of the precipitate shows that the peak intensity increase with additional <111> and <200> peaks at early deformation in compression. The <200> peak intensity and the <400> peak intensity show different evolution trend in tension. To understand this irregular behavior, the micromechanical mechanism including the evolution of the crystallographic texture, lattice strains of precipitates and the loading sharing among different grain families will be presented.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

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Additive Manufacturing of Tantalum: Differing Microstructure with Differing Build Parameters
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Application of the Small Punch Test to Estimate the Mechanical Properties of Additive Manufactured Materials
Assessing Additive Manufacturing Process Heterogeneity
Bead Formation in Powder Bed Melting of Inconel Material
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Compositional Influence on Microstructure and Mechanical Behavior of Additively Manufactured Austenitic Stainless Steels
Deformation Mechanism of Inconel 718 Made by Additive Manufacturing and Investigated by In-situ Neutron Diffraction
Deformation Mechanisms of SLM 316L Stainless Steels and Ti-6Al-4V Alloys
Design and Testing of Thin-walled Elements of Additively Manufactured
Development of Process-structure-property Relationships for Optimization of Alloy 17-4PH for SLM AM Process
Direct Laser Cladding an Emerging Technique for Development of Component
Direct Metal Laser Melting of Gamma Prime Strengthened Superalloys; An Assessment of Microstructure Response through Additive Manufacturing and Heat Treatment.
Direct Metal Writing: Controlling the Rheology through Microstructure
Dynamic Mechanical Response of AMTi64: Effect of Post-processing Treatments
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Effect of Processing Parameters on Microstructure of PH 13-8 Stainless Steel Fabricated by Hybrid DED/CNC Manufacturing
Effects of Different Laser Parameters on Microstructure and Melt Pool of Additively Manufactured 316L Stainless Steel
Effects of Gas Pressure on Melt Track Shape and Quality in SLM
Efficiency of Use of High-strength Aluminum Powders at the Press of Details of the Aerospace Equipment
Electron Beam Melting of High-gamma Prime Ni-base Superalloys
Enhancement of Density and Pseudoelasticity of a Cu-Al-Ni-Mn Shape-memory Alloy Produced by Selective Laser (Re)Melting
Fabrication of Large Additively Manufactured Stainless Steel Structures Using Directed Energy Deposition
Flow Stress Asymmetry Dependance on Post-processing Parameters and Deformation Conditions of a Selective Laser Melting Additive Manufactured Inconel 718
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Heat Resistant Ti Based Alloy with Dispersed TiB Particles Utilizing Additive Manufacturing by Selective Electron Beam Melting
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High-fidelity Mesoscale Thermal/Fluid Modeling of the LENS Additive Manufacturing Process
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In-situ Synchrotron Transmission X-ray Microscopy and Self-consistent Modeling for Mechanical Behavior Study of Addictive Manufacturing Ti6Al4V Implants
In-situ Synchrotron X-ray Diffraction Measurements of Mechanical Properties, Phase Transformation, and Strain Pole Figures of Additively Produced 17-4 Stainless Steel by Laser Powder Bed Fusion.
In Operando High-speed X-ray Imaging of Inconel 625 during Laser Powder Bed Fusion Additive Manufacturing
Investigation of Grain Structure Development in Laser-based Manufacturing via Modeling and Experiment
Investigation of the SLM Process to Fabricate Multiperforated Plates in Aeroengines
Laser Additive Manufacturing of Titanium Aluminides
Laser Modulation Effects on the Morphology and Microstructure of Additively Manufactured Metals
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Location-specific Microstructure and the Effect of Heat Treatment on Electron-beam Melted Ni-based Superalloy LSHR
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Microstructural Development in Heat-treated 17-4 PH Stainless Steel Parts Prepared by Selective Laser Melting
Microstructural Evolution during Post-built Thermal Processing of Additively Manufactured Inconel 625
Microstructural Investigation of Inconel 625 – Inconel 738 Functionally Graded Material Fabricated by Laser Metal Deposition
Microstructure-property Relationships in Advanced High Deposition Rate Cold Metal Transfer (CMT) Additive Manufactured IN718
Microstructure and Mechanical Properties of Selectively Laser Melted IN718 Alloy before and after Heat Treatment
Microstructure and Properties of Additively Manufactured Aluminum Alloy 2139
Microstructure Evolution during Rapid Solidification: Developing Predictive Modeling Capabilities for Additive Manufacturing
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Modeling and Simulation of Phase and Microstructure Formation in Ni and Ti Alloys during AM Using Finite Elements, Computational Thermodynamics and Phase Field Simulation
Multi-physics Modeling of Wire Arc Additive Manufacturing (WAAM) Process
Multi-scale Modeling of Selective Laser Melting of Inconel 718
Multi Scale Solid Mechanics Models of Additive Manufacturing
On the Relationships between Process Parameters, Microstructure and Properties of Selectively Laser-melted Ti-6V-4V
Parametric Study on Direct Energy Deposition of Aluminum Alloys
Porosity Analysis of AM Powder Based on Machine Learning Approach and In-situ Annealing Technique for Observation of  Property Evolution of AM Material
Porosity Characterization and Reduction in AlSi10Mg Components Built Using Selective Laser Melting Systems.
Potential Contributors to Creep Resistance in DMLS Processed IN718 Revealed through Modeling of Creep Test Data
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Quantitative Microstructure-property Relationships in Additive Manufacturing of Metals
Relations between Microstructure and Oxidation Resistance of an Additive Manufactured Nickel-based Superalloy
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The Effects of Pore Morphology in 316L AM Builds
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Thermally-induced Microstructural Evolution of Additively Manufactured Inconel 718 via In-situ Bragg-edge Neutron Radiography and Diffraction
Understanding Silicon Reinforcement in Ti6Al4V to Enhance Wear Resistance
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X-ray Powder Diffraction of Additively Manufactured (3D Printed) Inconel-718

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