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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Additive Manufacturing: Beyond the Beam II
Presentation Title Cold Spray Processing of Soft Metals and Hard Tool Steels
Author(s) Yu Zou
On-Site Speaker (Planned) Yu Zou
Abstract Scope Cold spray, initially a coating technique, is being touted as a ‘near-net shape’ manufacturing technology that minimizes material waste by virtue of the high rate of deposition. During the cold spray process, metallic bulk components can be produced by spraying metal powders at high velocity, generating bonding through severe plastic deformation at temperatures well below the melting point of the powders. To fully understand the cold spray processing of metal powders, we systematically compare and study the microstructure evolution in Cu, Ni, Al, Ti, tool steels prepared by cold spray. We show complex microstructure in these powder particles after cold spraying: nanocrystalline, nanotwins, annealing twins, gradient grains, deformation bands, dynamic/static recovery and recrystallization. The effects of gas temperature and powder velocity on the microstructure and mechanical properties in the cold sprayed samples are also discussed. Of particular interest are grain refinement, recrystallization and particle/particle bonding mechanisms of the powder particles.
Proceedings Inclusion? Planned:

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Look into Solid-state Metal AM Techniques from Metallurgical Bonding Perspective
Aluminum Alloy Powders for Solid State Additive Manufacturing Processing
Beyond the Beam Additive Manufacturing of Titanium Alloys
Bi-metal Composite Material for Plastic Injection Molding Tooling Applications via Fused Filament Fabrication Process
Cold Spray Processing of Soft Metals and Hard Tool Steels
Complex Material Deformation and Flow Phenomena during Additive Friction Stir Deposition of Dissimilar Aluminum Alloys
Control of High-temperature Drop-on-demand Metal Jetting Through Numerical Modelling and Experimentation
Development, Characterization, and Modeling of a 3D Binder-jet Printed N95 Metal Filter for COVID-19
Direct Ink Writing of Ceramic Architected Materials
Distortion Modeling of Sintering Process in Binder Jet Printed Parts
Droplet Powder Interactions in Binder Jet Additive Manufacturing
Effect of Processing Defects on Properties of Binderjet WC-Co
Fluid and Particle Dynamics Simulation in Binder Jetting Process
Friction Stir Additive Manufacturing of Al 6061-T6: Modeling and Experimental Analysis
Gravity Influence on Sintering of Binder Jetted Components
Heat Treatment of Recycled Battlefield Stainless-Steel Scrap for Cold Spray Applications
In Situ Monitoring of Additive Friction Stir Deposition: An Overview
Introductory Comments: Additive Manufacturing: Beyond the Beam II
Linear Friction Welding: a Solid-state Joining Process for the Manufacturing of Aerospace Titanium Parts
Spatial Architecture of Copper Fillers in Additively Manufactured PLA-matrix Composite
Texture Development and Influence in Solid-state Additive Manufacturing
Understanding the Effects of Repeated Environmental Exposure on Powder Properties for Additive Manufacturing Applications
Wall Thickness Effects on Dimensional Variation, Microstructure, and Mechanical Properties in Stainless Steel Samples Manufactured Using a Bound Metal Deposition (BMD) Sintering Process

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