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Effect of SPPS Process Parameters on In-Flight Particle Generation and Splat Formation to Achieve Pure α-Al2O3 Coatings
2015 (English)In: Journal of thermal spray technology (Print), ISSN 1059-9630, E-ISSN 1544-1016, Vol. 24, no 7, 1221-1234 p.Article in journal (Refereed) Published
Abstract [en]

The present paper describes the role of process conditions in developing phase-pure α-Al<inf>2</inf>O<inf>3</inf> coatings using solution precursor plasma spraying. Different precursor combinations were employed and two key parameters, namely plasma power and substrate pre-heat temperature, were varied. Detailed studies of in-flight formed particles and splat characteristics were found to correlate well with the Al<inf>2</inf>O<inf>3</inf> coating characteristics. The Al<inf>2</inf>O<inf>3</inf>-forming precursor formulation was also found to be crucial in determining the phase constitution of the deposited coatings. © 2015 ASM International

Place, publisher, year, edition, pages
Springer New York LLC , 2015. Vol. 24, no 7, 1221-1234 p.
Keyword [en]
alumina, influence of spray parameters, phase constitution, solution precursor spraying, splat morphology, Aluminum, Coatings, Plasma spraying, Coating characteristics, Different precursors, In-flight particles, Solution precursor, Solution precursor plasma spraying, Aluminum coatings
National Category
Materials Engineering
Research subject
ENGINEERING, Manufacturing and materials engineering
URN: urn:nbn:se:hv:diva-8522ISBN: 10599630 (ISSN)OAI: diva2:859836
Available from: 2015-10-08 Created: 2015-10-08 Last updated: 2016-04-18Bibliographically approved

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Joshi, Shrikant V.
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