Influence of Feedstock Feed Rate on the Properties of SPPS-Deposited Cobalt Ferrite Splats

Noppakun Sanpo; Jirasak Tharajak

doi:10.4028/www.scientific.net/AMM.866.291

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 866Influence of Feedstock Feed Rate on the Properties...

Influence of Feedstock Feed Rate on the Properties of SPPS-Deposited Cobalt Ferrite Splats

Abstract:

Cobalt ferrite sol-gel solution was deposited onto mild steel substrates to form single splats using a solution precursor plasma spray (SPPS) process. It was revealed that the thermal oxidation of cobalt and iron salts occurred mainly into six different formations of deposited splats. These formulations were cobalt monoxide (CoO), maghemite (γ-Fe₂O₃), cobalt oxide (Co₃O₄), cobalt oxyhydroxide (CoOOH), goethite (α-FeOOH), hematite (α-Fe₂O₃), magnetite (Fe₃O₄), and cobalt ferrite (CoFe₂O₄). The surface topographies of the splats exhibited burned, unmolten, partially molten, and completely molten splats. The feed rates of SPPS process played the important role on several properties of the splat such as splat morphologies and percentage of the obtained composite splat phases.

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Periodical:

Applied Mechanics and Materials (Volume 866)

Pages:

291-294

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.866.291

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Online since:

June 2017

Authors:

Noppakun Sanpo, Jirasak Tharajak*

Keywords:

Cobalt Ferrite, Solution Precursor Plasma Spray, Splat

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References

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