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The Effects of Water Addition on the Color and Crystalline Phase of Y2O3 Coatings Fabricated by Plasma Suspension Spray 원문보기

한국세라믹학회지 = Journal of the Korean Ceramic Society, v.53 no.6, 2016년, pp.641 - 646  

Park, Sang-Jun (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology) ,  Lee, Jung-Ki (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology) ,  Oh, Yoon-Suk (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology) ,  Kim, Seongwon (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology) ,  Kim, Hyungsun (School of Material Engineering, Inha University) ,  Lee, Sung-Min (Engineering Ceramic Center, Korea Institute of Ceramic Engineering and Technology)

Abstract ▼ AI-Helper 아이콘AI-Helper

The effects of water addition on $Y_2O_3$ coatings or thick films prepared by plasma suspension spray (SPS) have been investigated. Water addition in suspension media was found to be effective to control the color of a $Y_2O_3$ coating prepared by SPS. The color changed with wa...

주제어

#Suspension plasma spray (SPS)   # $Y_2O_3$   #Water  

AI 본문요약
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제안 방법

  • In order to obtain size distribution of the splats, suspension was rapidly sprayscanned once at a very fast transverse gun speed (4 m/sec) on a mirror polished soda-lime glass substrate; this process is the so-called single rapid scan. After the single rapid plasma spray test, splats were observed using a scanning electron microscope (SEM, JSM-6390, JEOL, Japan) and were analyzed with image analysis software (Image-Pro Plus, Version 6.0, Media Cybernetics Inc., USA) to obtain a splat size distribution.
  • Finally, it should be noted that, in addition to the usual processing parameters in SPS, such as plasma power, stand-off distance, and gas composition and gas flow rate, this study shows another parameter that controls the deposition process in SPS. By adjusting the water addition, we were able to control the temperature of the molten droplet independently from the other parameters.
  • Then, development of crystalline phase was observed with or without water addition. To check for the possibility of different fragmentation behavior depending on water addition, we did a single rapid scan of the plasma spray and obtained the splat size distribution. Finally, through oxygen content measurement, color and crystalline phase development were discussed.
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참고문헌 (23)

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