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Meeting Materials Science & Technology 2019
Symposium Additive Manufacturing: Effective Production, Characterization, and Recycling of Powder Materials
Presentation Title Additive Manufacturing Alloys: Influence of Powder Preparation Method in Aluminum Matrix Composites
Author(s) Jakob D. Hamilton, Ola L.A. Harrysson, Christopher D. Rock, Iris V. Rivero
On-Site Speaker (Planned) Jakob D. Hamilton
Abstract Scope Aluminum matrix composites (AMCs) have recently found utility in AM for tailoring microstructural and mechanical properties. However, optimal AMC feedstock characteristics for maximizing strength in AM components remain largely unreported. In this study, AMC feedstock powders designed for powder bed fusion (PBF) were fabricated using powder blending, mechanical alloying, and cryomilling. Powder morphology, particle size distribution, and reinforcement dispersion varied between methods and affected the resultant structure and properties in the fabricated articles. Strengthening modeling was performed on the feedstock particles before melting and after PBF fabrication to determine any effects during melting or with varying AMC production methods.
Proceedings Inclusion? Planned: At-meeting proceedings


Additive Manufacturing Alloys: Influence of Powder Preparation Method in Aluminum Matrix Composites
Assessment of 316L Stainless Steel Powder Produced from Recycled Machining Chips for Closed Lifecycle Additive-Subtractive Manufacturing
Characterization of Gas Atomized Aluminum Alloy Powder for Additive Manufacturing Applications
Characterization of Nickel-base Superalloy MAR-M247 Powders by Synchrotron X-ray Computed Tomography
Characterization of Titanium Powder Produced from Battlefield Scrap for Additive Manufacturing
Determination of Viscosity of Metal Melts by High Temperature Rheometry
Effects of Recycling PREP and Plasma Atomized Ti-6Al-4V Powder from LENS Process
Exploring the Feasibility of Cryomilled Aluminum Alloy 5083 as Feed Stock Material for Additive Manufacturing
Hydrogen Assisted Magnesiothermic Reduction (HAMR) for Making Low-oxygen Ti Powder
Metal Particulate Produced by Modulation-assisted Machining
P3-26: Identifying Correlations between Metal Powder Properties and Binder Jet Print Settings to Optimize Process
Potentials and Risks in Hybrid Manufacturing
Powder Specification Needs for Steels in the LPBF Process
Surface Area as a Powder Morphology Probe
Synchrotron X-ray CT of AM Feedstock Metal Powder: A Validation of Metallographic Porosity Measurements.
Understanding Powder Morphology and Its Effect on Flowability through Computer Vision and Machine Learning In Additive Manufacturing
Understanding Surface Area Measurement for Improved Powder Characterization

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