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Meeting Materials Science & Technology 2020
Symposium Additive Manufacturing of Metals: Complex Microstructures and Architecture Design
Sponsorship TMS Additive Manufacturing Committee
Organizer(s) Yu Zou, University of Toronto
Hang Yu, Virginia Polytechnic Institute And State University
Scope Additive manufacturing (AM) is a disruptive technology, not only because it enables the production of components with complex geometries, but also because it provides unique opportunities for microstructure control and materials design. By contrast to conventional manufacturing technologies such as casting, forging, and hot rolling, AM offers additional degrees of freedom to “architect” materials microstructure across length scales. Both beam-based processes—such as power bed fusion (PBF) and directed energy deposition (DED)—as well as non-beam-based processes—such as cold spray, additive friction stir deposition, and ultrasonic additive manufacturing—unlock new opportunities for the control of microstructure and architecture for desired mechanical and functional properties. Understanding microstructure evolution and the resulting material’s behavior is key to developing novel material designs by AM methods. The goal of this focus issue is to highlight research on AM-produced microstructures and their impact on mechanical and physical properties of metallic materials. Both experimental and modeling submissions are encouraged, especially in which modeling or theory is applied and validated experimentally. Materials systems of interests include but not limited to structural materials, different types of steels, aluminum, titanium, nickel, copper, cobalt, refractory metals, shape-memory alloys, high entropy alloys, and bulk metallic glasses.

• Microstructural evolution during the AM process.
• Microstructure response of AM components to post-processing conditions.
• Simulation of microstructure stability and evolution during or post the AM process
• Novel alloy design tailored for AM.
• Architecture design in using AM methods.
• Microstructure and property relationship of the AM components.
• Artificial intelligence aided design for the microstructure or architecture optimization

Abstracts Due 05/31/2020

Additive Manufacturing of Pure Magnesium
Alloy and Process Modification for Microstructure Control in Additively Manufactured Alloys
Application of Photodiode Sensor for Contour Extraction of Part Features in the Laser Powder Bed Fusion Process
Control of Nanoscale Lamellae in Bulk Al-Cu Eutectic Samples Through Laser Powder Bed Fusion
Cracking in Additively Manufactured Refractory Metals
Engineering the Plasticity of SLM Steel via Crystallographic Texture Control
Evaluation of Microstructure in Multi Bead Ti-6Al-4V
Fabrication of High Temperature High Strength Austenitic Steels by Laser Powder-bed Fusion
Laser Powder Bed Fusion of Single-crystalline-like Stainless Steel 316L; From Samples to Parts
Microstructural Features and Mechanical Properties of a Newly Designed Steel Fabricated by Laser Powder Bed Fusion
Microstructure of Alloy 247LC Manufactured by Laser Powder Bed Fusion
Mitigating Stray Grain Nucleation during the Laser Powder Bed Fusion of Single Crystal CMSX-4
Modeling of Grain Growth in Metal Printing
Secondary Orientation Preference of Ni-based Superalloy Single Crystals Produced via Electron Beam Melting
Synchrotron X-ray Studies on Additive Manufacturing and Materials
The Structure of Cellular Features in Additively Manufactured 316L

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