La<sub>2</sub>Zr<sub>2</sub>0<sub>7</sub> (LZ) Coatings by Liquid Feedstock Plasma Spraying: the Role of Precursors: Fid-Bau Portal

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La₂Zr₂0₇ (LZ) Coatings by Liquid Feedstock Plasma Spraying: the Role of Precursors

Duarte123, William / Rossignol, Sylvie / Vardelle, Michel

Solution precursor plasma spraying (SPPS) is an innovative process for obtaining finely structured coatings from metallic salt solutions. Lanthanum and zirconium precursors were studied in order to understand their influence on the synthesis of lanthanum zirconate (La₂Zr₂O₇) by SPPS. Thermal analysis revealed that the nature of the precursor affected the hydration shell as well as the formation temperature of zirconium oxide (ZrO₂). The surface tensions of precursor solutions in various media were investigated and revealed the influence of the nature of the anion. Different solutions of precursor mixtures were used to obtain La₂Zr₂O₇ splats on metallic substrates. A decrease in the surface tension of the solution led to an increase in the size of the splats. Coating mechanisms by SPPS are governed by the nature of the precursors and solvents.

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La₂Zr₂0₇ (LZ) Coatings by Liquid Feedstock Plasma Spraying: the Role of Precursors

Duarte123, William / Rossignol, Sylvie / Vardelle, Michel

Solution precursor plasma spraying (SPPS) is an innovative process for obtaining finely structured coatings from metallic salt solutions. Lanthanum and zirconium precursors were studied in order to understand their influence on the synthesis of lanthanum zirconate (La₂Zr₂O₇) by SPPS. Thermal analysis revealed that the nature of the precursor affected the hydration shell as well as the formation temperature of zirconium oxide (ZrO₂). The surface tensions of precursor solutions in various media were investigated and revealed the influence of the nature of the anion. Different solutions of precursor mixtures were used to obtain La₂Zr₂O₇ splats on metallic substrates. A decrease in the surface tension of the solution led to an increase in the size of the splats. Coating mechanisms by SPPS are governed by the nature of the precursors and solvents.

La₂Zr₂0₇ (LZ) Coatings by Liquid Feedstock Plasma Spraying: the Role of Precursors

Duarte123, William / Rossignol, Sylvie / Vardelle, Michel

Solution precursor plasma spraying (SPPS) is an innovative process for obtaining finely structured coatings from metallic salt solutions. Lanthanum and zirconium precursors were studied in order to understand their influence on the synthesis of lanthanum zirconate (La₂Zr₂O₇) by SPPS. Thermal analysis revealed that the nature of the precursor affected the hydration shell as well as the formation temperature of zirconium oxide (ZrO₂). The surface tensions of precursor solutions in various media were investigated and revealed the influence of the nature of the anion. Different solutions of precursor mixtures were used to obtain La₂Zr₂O₇ splats on metallic substrates. A decrease in the surface tension of the solution led to an increase in the size of the splats. Coating mechanisms by SPPS are governed by the nature of the precursors and solvents.

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Title:

La₂Zr₂0₇ (LZ) Coatings by Liquid Feedstock Plasma Spraying: the Role of Precursors

Contributors:

Kriven, Waltraud M. (editor) / Zhu, Dongming (editor) / Moon, Kyoung II (editor) / Hwang, Taejin (editor) / Wang, Jingyang (editor) / Lewinsohn, Charles (editor) / Zhou, Yanchun (editor) / Duarte123, William (author) / Rossignol, Sylvie (author) / Vardelle, Michel (author)

Published in:

Developments in Strategic Materials and Computational Design V ; 151-159

Ceramic Engineering and Science Proceedings ; 35

Publication date:

2014-12-19

Size:

9 pages

ISBN:

9781119040293 , 9781119040286

ISSN:

DOI:

https://doi.org/10.1002/9781119040293.ch12

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

Solution precursor plasma spraying , Zirconium , Liquid feedstock plasma spraying , Lanthanum , Zirconium oxide

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