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Meeting Materials Science & Technology 2019
Symposium Additive Manufacturing: Effective Production, Characterization, and Recycling of Powder Materials
Presentation Title Metal Particulate Produced by Modulation-assisted Machining
Author(s) Indrani Biswas, Stiven Puentes, James Mann, Srinivasan Chandrasekar, Kevin P. Trumble
On-Site Speaker (Planned) Kevin P. Trumble
Abstract Scope Superimposition of a controlled, low-frequency modulation in conventional machining causes chips to form as discrete particles of controllable shape and size, and with very narrow size distribution. This modulation-assisted machining (MAM) process is applicable to produce powders directly from most any machinable alloy, with identical composition to the workpiece and only native oxide contamination. Concurrent large-strain deformation leads to microstructure refinement within the particles and associated hardness (strength) enhancements. Microstructural studies on strain homogeneity and shape development in short fiber particles of Al 6061-T6 produced under plane-strain conditions are presented. Flowability of the short fiber powders with varying particle size and aspect ratio has also been studied. A first-order process economics analysis and prospects for scaling MAM to commercial production are discussed.
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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