Gas Atomization of Molten Metal: Part II. Applications
Journal Title: American Journal of Engineering and Applied Sciences - Year 2016, Vol 9, Issue 2
Abstract
Gas Atomization of Molten Metal: Part II. Applications Taher M. Abu-Lebdeh, Genaro Pérez-de León, Sameer A. Hamoush, Roland D. Seals and Vincent E. Lamberti DOI : 10.3844/ajeassp.2016.334.349 American Journal of Engineering and Applied Sciences Volume 9, Issue 2 Pages 334-349 Abstract A numerical model was derived to obtain results for two alloys during the Gas Atomization (GA) method. The model equations and governing equations were implemented through the application of part I data. Aspects such as heat transfer, fluid mechanics, thermodynamics and law of motions were taken into account for the formulation of equations that take gas dynamics, droplet dynamics and energy balance or conservation into consideration. The inputs of the model include: Processing parameters such as the size of the droplets, characteristics of the metal alloy, initial temperature of the molten metal, properties and fractions of the atomization gas and the gas pressure. The outputs include velocity and thermal profiles of the droplet and gas. Velocity profiles illustrate the velocity of both droplet and gas, while thermal profiles illustrate cooling rate and the rate of temperature change of the droplets. The alloys are gamma-Titanium Aluminide (γ-TiAl) and Al-3003-O. These alloys were selected due to the vast amount of applications both can have in several industries. Certain processing parameters were held constant, while others were altered. The main focus of this study was to gain insight into which optimal parameters should be utilized within the GA method for these alloys and to provide insight into the behavior of these alloys. Copyright © 2016 Taher M. Abu-Lebdeh, Genaro Pérez-de León, Sameer A. Hamoush, Roland D. Seals and Vincent E. Lamberti. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. http://thescipub.com/abstract/10.3844/ajeassp.2016.334.349
Authors and Affiliations
Taher M. Abu-Lebdeh, Genaro Pérez de León, Sameer A. Hamoush, Roland D. Seals, Vincent E. Lamberti
Keywords
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- EP ID EP203633
- DOI 10.3844/ajeassp.2016.334.349
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