Solid-State Synthesis of Yttirum Oxyfluoride Powders and Their Application to Suspension Plasma Spray Coating

Sang-Jun Park; Hyungsun Kim; Sung-Min Lee

doi:10.3740/MRSK.2017.27.12.710

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2017 Vol.27, Issue 12 Preview Page Next Page

Solid-State Synthesis of Yttirum Oxyfluoride Powders and Their Application to Suspension Plasma Spray Coating Yttirum Oxyfluoride 원료의 고상합성 및 서스펜션 플라즈마 스프레이 코팅 응용

December 2017. pp. 710-715

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Abstract

We synthesized YOF(yttirum oxyfluoride) powders through solid state reactions using Y₂O₃ and YF₃ as raw materials. The synthesis of crystalline YOF was started at 300 °C and completed at 500 oC. The atmosphere during synthesis had a negligible effect on the synthesis of the YOF powder under the investigated temperature range. The particle size distribution of the YOF was nearly identical to that of the mixed Y₂O₃ and YF₃ powders. When the synthesized YOF powders were used as a raw material for the suspension plasma spray(SPS) coating, the crystalline phases of the coated layer consisted of YOF and Y₂O₃, indicating that oxidation or evaporation of YOF powders occurred during the coating process. Based on thermogravimetric analysis, the crystalline formation appeared to be affected by the evaporation of fluoride because of the high vapor pressure of the YOF material.

Keywords

yttrium oxyfluoride

solid-state synthesis

suspension plasma spray

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Information

Publisher :Materials Research Society of Korea
Publisher(Ko) :한국재료학회
Journal Title :Korean Journal of Materials Research
Journal Title(Ko) :한국재료학회지
Volume : 27
No :12
Pages :710-715
Received Date : 2017-11-16
Revised Date : 2017-11-29
Accepted Date : 2017-11-30
DOI :https://doi.org/10.3740/MRSK.2017.27.12.710

Korean Journal of Materials Research ISSN:1225-0562(Print) 2287-7258(Online) 한국재료학회지

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