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#333 Ceramic Spraying - Powder Flame Spraying

Category : Thermal Spraying
March 2, 2018

Ceramic spraying uses ceramics consisting primarily of aluminum oxide, chromium oxide, titanium oxide, or zirconium oxide as spraying materials, in the following methods: plasma spraying, powder flame spraying, and rod flame spraying.

(2)Powder flame thermal spraying films

[Table 2] shows the types and symbols of powder flame thermal spraying films.

[Table 2] Types and symbols of powder flame thermal spraying films
TypeSymbolMain ingredients of the spraying materialsIntended use
Alumina sprayingType 1 AT-WAO-1AL2O3 98% or moreAbrasion resistance
Type 2 AT-WAO-2Chemical resistance
Type 3 AT-WAO-3Heat resistance
and insulation
Type 1 BT-GAO-1AL2O3 94% or more
TiO2 1.5-4.0%
Abrasion resistance
Type 2 BT-GAO-2Chemical resistance
Alumina/titania sprayingType 1 AT-AO-TiO-13-1AL2O3 85% or more
TiO2 12-14%
Abrasion resistance
Type 2 AT-AO-TiO-13-2Chemical resistance
Type 1 BT-AO-TiO-40-1AL2O3 58% or more
TiO2 39-41%
Abrasion resistance
Type 2 BT-AO-TiO-40-2Chemical resistance
Chromium oxide sprayingType 1 AT-CrO-1Cr2O3 98% or moreAbrasion resistance
Type 2 AT-CrO-2Chemical resistance
Type 1 BT-CrO-TiO-3-1TiO2 53% or more
Cr2O3 44-46%
Abrasion resistance
Type 2 BT-CrO-TiO-3-2Chemical resistance
Zirconia sprayingType 2 AT-ZrO-2ZrO2 98% or moreChemical resistance
Type 3 AT-ZrO-3Heat resistance
and insulation
Type 2 BT-ZrO-SiO-32-2ZrO2 64% or more
SiO2 31-34%
Chemical resistance
Type 3 BT-ZrO-SiO-32-3Heat resistance
and insulation
Type 2 CT-ZrO-CaO-7-2ZrO2 90% or more
CaO 6-8%
Chemical resistance
Type 3 CT-ZrO-CaO-7-3Heat resistance
and insulation
Type 2 DT-ZrO-NgO-24-2ZrO2 73% or more
MgO 23-25%
Chemical resistance
Type 3 DT-ZrO-MgO-24-3Heat resistance and insulation
Type 2 ET-ZrO-YO-8-2ZrO2 89% or more
Y2O3 7-9%
Chemical resistance
Type 3 ET-ZrO-YO-8-3Heat resistance
and insulation
Type 2 FT-ZrO-YO-12-2ZrO2 85% or more
Y2O3 11-13%
Chemical resistance
Type 3 FT-ZrO-YO-12-3Heat resistance
and insulation

*Meaning of the symbols:
P: Plasma (plasma spraying), T: Thermal (powder frame spraying), R: Rod (rod flame spraying) WAO: White Aluminum Oxide, GAO: Gray Aluminum Oxide
AO:AL2O3,TiO:TiO2,CrO:Cr2O3,ZrO:ZrO2,YO:Y2O2

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