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Meeting Materials Science & Technology 2020
Symposium Additive Manufacturing of Metals: Complex Microstructures and Architecture Design
Presentation Title Additive Manufacturing of Pure Magnesium
Author(s) Bandar AlMangour
On-Site Speaker (Planned) Bandar AlMangour
Abstract Scope The low density and high biocompatibility of Mg-based materials make them suitable for lightweight structural and biomedical applications. In this study, selective laser melting (SLM), an emerging additive manufacturing process, was used to process pure Mg under various laser energy densities (η). The densification behavior, microstructure evolution, and microhardness were evaluated. Both the peak temperature gradients within the molten pool and the molten pool dimensions increased with increasing η, and an opposite trend was observed for the cooling rate. Low η generated low operating temperature and short liquid lifetime, resulting in poor wettability and large amount of porosity chain and balling phenomena. However, the increase in η generated melt pool instability, which resulted in extensive evaporation, cracks, and porosity, and was accompanied by an increase in the grain size due to the lower cooling rate.


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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