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Investigation of particle in-flight characteristics during atmospheric plasma spraying of yttria stabilized ZrO2: Part 2. Modeling
2001 (English)In: Journal of thermal spray technology (Print), ISSN 1059-9630, E-ISSN 1544-1016, Vol. 10, no 2, 359-366 p.Article in journal (Refereed) Published
Abstract [en]

Yttria stabilized ZrO2 particle in-flight characteristics in an Ar-H2 atmospheric plasma jet have been studied using analytical and experimental techniques. In the previous article,[1] the primary gas flow, plasma composition, current, and powder feed rate were systematically varied and particle surface temperatures, velocities, and size distributions measured and statistically analyzed. In this paper, a mathematical model for the plasma flow and particle characteristics is presented. Model predictions are compared with the experimental results in Ref 1 and a reasonable correlation is found. A statistical investigation (composite cubic face (CCF)) is performed on the particle predictions, giving fast and simple relationships between gun parameters and particle in-flight properties. The statistical and theoretical models that are presented here combine to form a powerful and cost-effective tool, which can be used in the evaluation and optimization of spray parameters off-line.

Place, publisher, year, edition, pages
2001. Vol. 10, no 2, 359-366 p.
Keyword [en]
Particle temperature, Particle velocity, Plasma modeling, Plasma spraying, Yttria stabilized ZrO2, Correlation methods, Mathematical models, Optimization, Plasma flow, Plasma guns, Plasma jets, Thermal effects, Yttrium, Composite cubic face (CCF), Zirconia
National Category
Mathematics
Identifiers
URN: urn:nbn:se:hj:diva-15785DOI: 10.1361/105996301770349448OAI: oai:DiVA.org:hj-15785DiVA: diva2:434222
Available from: 2011-08-12 Created: 2011-08-12 Last updated: 2011-09-05Bibliographically approved

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