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Graduate Seminar

Wednesday, January 19, 2022
12:00 pm to 1:00 pm

Abstract: The cold spray process is a dynamic powder consolidation technique capable of producing materials with high strength and toughness through an extremely versatile processing system. In this solid state additive manufacturing process, the consolidated material and mechanical properties are directly dependent on the powder properties. Let’s look at these powder properties! To account for this relationship, a through-process model was developed as a predictive tool to follow the microstructural evolution of the cold spray process – from asreceived powder to post processing consolidated material. The significance of the feedstock powder properties becomes evident in this work and will be discussed in terms of kinetic, thermodynamic, and solidification predictive simulations and experimental characterization. The final model predicts material and mechanical properties of the consolidated material as a function of feedstock powder and process parameters. Examples of aluminum, steel, and refractory powders are demonstrated.

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Please email mrp@wpi.edu for Zoom call details.
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