Thermal Spray Coating


고온의 열원으로 Plasma를 이용하여 대기 환경에서 피막을 형성하는 기술

Item
Unit
Spec
Method
Powder
Purity
Y2O3/TREO
wt%
>99.9
-
Impurity
Ca
ppm
<10
ICP
Fe
ppm
<10
Mg
ppm
<10
Na
ppm
<10
Si
ppm
<30
Particle Shape
-
-
Spherical
SEM
Particle Size
D50
um
30~50
Microtrac
Coating
Discolor Spot
-
None
Visual
Coating Color(a)
-
White
Visual
-
<2
Chromameter
Coating Rate
um / pass
5~7
SEM
Roughness
um
4.5~7
Ra Tester
Porosity
%
2~5
SEM
Hardness
Hv
400~450
Vickers
Erosion Thickness
um
< 10
Alpha-step

Powder(Y2O3 / YF3 / YOF)


Granules

2차 입자


Primary Particle

1차 입자

Size distribution