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Meeting MS&T21: Materials Science & Technology
Symposium Powder Metallurgical Components in High Performance Applications
Presentation Title Dispersing Tailored Nanoparticles through Powder Metallurgy Consolidation
Author(s) Bahrum Prang Rocky, Rofiques Salehin, Christopher R. Weinberger , Steve Daniewicz, Gregory B. Thompson
On-Site Speaker (Planned) Bahrum Prang Rocky
Abstract Scope While solid-state precipitation routes can readily yield a dispersion of nano-precipitates, the tailoring of such phases can be difficult owing to thermodynamic and kinetic precipitation conditions. In contrast, powder metallurgy (PM) consolidation can readily incorporate tailored nano-precipitates via specifically synthesized nanoparticles that are placed into the matrix. However, the uniform dispersion of such nanoparticles with micron-sized powders can be difficult. In this presentation, the fabrication routes for dispersing transition metal carbide (TMC) nanoparticles into ferrous matrix powders are discussed using various surfactants and/or high energy ball milling methods to identify the optimal mechanochemical techniques that provide a uniform TMC dispersion. The aim of which is to capture specifically tailored TMCs that are computationally predicted to trap hydrogen improving the strength and resistance to hydrogen embrittlement. The dispersion and PM processing routes are discussed in terms of consolidation, mechanical strength, and hydrogen charging/trapping potentials.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Cemented Carbides with Complex Binder Alloys
Development of Eco-friendly POM Binder System for High Strength Ti-MIM
Development of Resistance Based Sintering for Metal Powders
Dispersing Tailored Nanoparticles through Powder Metallurgy Consolidation
Effect of Manufacturing Parameters on Inoculated PM Tool Steel Properties
Fabrication of Titanium and Titanium Alloy Components by Thermomechanical Powder Consolidation
High-strength Titanium Matrix Composites Reinforced with In Situ Polycarbosilane-derived TiC Particle
Microstructural Uniformity duringSsintering, Thermal-plastic Processing and Recrystallization of Tungsten
Selective Laser Melting of Metallic Glass Powder to Improve Chemical and Mechanical Performance of Magnesium
Synthesis of Low-oxygen Titanium towards Achieving Strength-ductility Synergy
Synthesis, Sintering and Mechanical Behavior of Ultra-fine Low-oxygen Titanium Powder
Thermodynamic Model for Predicting the Embodied Energy of Titanium Alloys Produced by Powder Metallurgy

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