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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Alloy Development and Powder Manufacture for Additive Manufacturing
Presentation Title Additive Manufacturing of a Quasicrystalline Phase Former Al-based Alloy Obtained Using Recycled Material
Author(s) Piter Gargarella, Leandro Michelotti, ClŠudio S Kiminami, Edson Costa Santos
On-Site Speaker (Planned) Piter Gargarella
Abstract Scope Quasicrystalline phase (QC) former Al-based alloys exhibit high strength and wear resistance, especially at high temperatures, and are promising to be used as polymer extrusion dies. Nevertheless, the QC is only formed under high cooling rates (>10^3 K/s), which restrict sample size to powders and ribbons and consolidation methods may be necessary. Polymer extrusion dies usually show complex geometry with complicated machining process and limited design possibilities. An alternative method to fabricate these dies is Selective Laser Melting (SLM). It allows producing parts with complex geometry, internal cooling channels and may impose high cooling rates during solidification (up to 10^5K/s). The aim of this work was to produce bulk samples of the Al91Fe4Cr3Ti2 alloy containing QC by using recycled material (Al cans) and SLM. Powders were produced by gas atomization and were consolidated by SLM. The correlation between microstructure, phase formation, mechanical properties and processing parameters will be discussed.
Proceedings Inclusion? Planned: Supplemental Proceedings volume


Alloy Design Principles for Additive Manufacturing – Lessons from Learned from Welding Metallurgy
Alloy Design Strategies for the Adaptation of Non-weldable Compositions for Additive Manufacturing
Aluminium Alloy Design for Selective Laser Melting
Aluminium Alloy Development for Additive Manufacturing
Bridging the Gap Between Rapid Solidification and the Additive Manufacture of Novel Aluminum Alloys
Characterization of Metal Additive Manufacturing Surfaces Using Synchrotron X-ray CT and Micromechanical Modeling
Computational Design of High-performance Aluminum Alloys for Additive Manufacturing
Current Understanding and Status of Ni-base Superalloys for Additive Manufacturing: Towards Alloy Development for AM
Designing Fe-Ni-Al and Fe-Ni-Ti Maraging Steels for In-situ Precipitation Hardening during Laser Metal Deposition
Developing Powder Rheology Relationships for Characterization of Metal Powder Feedstocks Used in Additive Manufacturing
Development and Application of Techniques for Rapid Alloy Screening via Novel Bicombinatorial Approaches
Effect of Atomizing Media on Mechanical Properties of 17-4 PH Stainless Steel Additively Manufactured via Selective Laser Melting
Fabrication of Hastelloy X by Electron Beam Melting and Selective Laser Melting
High Entropy Alloys for Additive Manufacturing
Increasing Powder Yields and Quality for Additive Manufacturing by Fundamental Processing Research on Gas Atomization
Laser Engineered Net Shaping (LENS) of High Entropy Alloys
Microstructural Optimization and Design of Metallic Materials for AM
Microstructure Development in Isolated Melt Pools of Electron Beam Melted Inconel 718
Performance of PTA AM Components for Mining and Energy Applications
Preventing the Coarsening of Al3Sc Precipitates by the Formation of a Zr-rich Shell during Laser Metal Deposition
Progress toward the Use of Elemental Powders for Additive Manufacturing of Aluminum Alloys
Rapid Solidification of Cu-Sn(-Ti) Based Alloys: Towards Alloy Design for Selective Laser Melting
Relationship between Alloy Composition and Solidification Conditions
RF Plasma Powder Metallurgy: An Overview of Applications for Material Development in Additive Manufacturing
The Metalysis Process - a Flexible Distributed Manufacture Route for the Production of Novel AM Powders
Thermal Stability of Laser Sintered Nanostructured Powder

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