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Ceramic Powder »
Powder Type Proximate Analysis (wt.%) Powder Feature Particle Size (um) Melting Point (°C) Hardness Function and Application
Al2O3 AlO15111 Al2O3:99.0+ Fused  -74 to +38
-53 to +15
-45 to +10
2038 HRC 60 to 70 High hardness, excellent resistance to abrasive wear, erosion, cavitation and corrosion, good insulation. Used as hard face wear, fibre abrasion, particle erosion and high temperature-resistant coatings.
Al2O3-3TiO2 AlO15121 TiO2:3.0, Al2O3:97.0 Fused  -74 to +38
-53 to +15
-45 to +10
2010 HRC 60 to 70 High hardness, dense and smooth, excellent resistance to abrasive wear, erosion, cavitation and corrosion, good insulation. Used as hard face wear, fibre abrasion, particle erosion and high temperature-resistant coatings.
Al2O3-13TiO2 AlO15122 TiO2:13.0, Al2O3:87.0 Fused  -74 to +38
-53 to +15
-45 to +10
1890 HRC 60 to 70 Tough, dense and smooth, excellent resistance to abrasive wear, erosion, corrosion and fretting. Used as hard face wear, fibre abrasion and particle erosion-resistant coatings.
Al2O3-20TiO2 AlO15123 TiO2:20.0, Al2O3:80.0 Sintered  -74 to +38          -53 to +15          -45 to +10 1890 HRC 60 to 70 Tough, dense and smooth, high bonding strength, excellent resistance to abrasive wear, erosion, corrosion and fretting. Used as hard face wear, fibre abrasion and particle erosion-resistant coatings.
Al2O3-40TiO2 AlO15124 TiO2:40.0, Al2O3:60.0 Sintered  -74 to +38          -53 to +15          -45 to +10 1840 HRC 60 to 65 Tough, dense and smooth, high bonding strength, excellent resistance to abrasive wear, erosion, corrosion and fretting. Used as hard face wear, fibre abrasion and particle erosion-resistant coatings.
Al2O3-50TiO2 AlO15125 TiO2:50.0, Al2O3:50.0 Sintered  -74 to +38
-53 to +15
-45 to +10
1840 HRC 55 to 60 Tough, dense and smooth, high bonding strength, excellent resistance to abrasive wear, erosion, corrosion and fretting. Used as hard face wear, fibre abrasion and particle erosion-resistant coatings.
Al2O3-TiO2-Y2O3 AlO15131 Al2O3:83.0, TiO2:14.0, Y2O3:3.0 Sintered  -74 to +38
-53 to +15
-45 to +10
1890 HRC 60 to 65 Tough, dense and smooth, resistant to wear, scuff and thermal shock. Used as the bearing surface coatings of piston rings.
Al2O3-TiO2-Y2O3 AlO15132 Al2O3:60.0, TiO2:35.0, Y2O3:4.0,                    Other oxides: bal. Sintered  -74 to +38          -53 to +15          -45 to +10 1840 HRC 55 to 60 Tough, dense and smooth, resistant to wear, scuff and thermal shock. Used as the bearing surface coatings of piston rings.
Al2O3-TiO2-La2O3 AlO15133 Al2O3:50.0, TiO2:30.0, La2O3:20.0 Sintered  -74 to +38
-53 to +15
-45 to +10
1860 HRC 55 to 60 Tough and smooth, resistant to wear, scuff, high temperature and thermal shock. Used as the service coatings on running and friction faces of machine parts, such as piston rings, piston bottoms, synchronizing discs and the fire lands of pistons,etc.
Al2O3-TiO2-Nb2O5-CaO AlO15134 Al2O3:50.0, TiO2:30.0, Nb2O5:17.0, CaO:3.0 Sintered  -74 to +38
-53 to +15
-45 to +10
1860 HRC 55 to 60 Tough and smooth, resistant to wear, scuff, high temperature and thermal shock. Used as the service coatings on running and friction faces of machine parts, such as piston rings, piston bottoms, synchronizing discs and the fire lands of pistons,etc.
Al2O3-TiO2-La2O3-Nb2O5-CaO AlO15135 Al2O3:50.0, TiO2:30.0, La2O3:8.0, Nb2O5:9.0, CaO:3.0 Sintered  -74 to +38
-53 to +15
-45 to +10
1860 HRC 55 to 60 Tough and smooth, resistant to wear, scuff, high temperature and thermal shock. Used as the service coatings on running and friction faces of machine parts, such as piston rings, piston bottoms, synchronizing discs and the fire lands of pistons,etc.
TiO2 AlO15331 TiO2:98.0+ Fused  -74 to +38
-53 to +15
-45 to +10
1920 HRC 50 to 55 Tough and dense, high bonding strength, protection against high temperature oxidation, resistant to wear by abrasive grains and hard surfaces.
Cr2O3 AlO15311 Cr2O3:98.0+ Fused  -74 to +38
-53 to +15
-45 to +10
2435 HRC 65 to 70 Tough, dense and smooth, high hardness, excellent resistance to sliding and abrasive wear, erosion, cavitation and corrosion. Used as hard face wear, fibre abrasion, particle erosion, gas and liquid corrosion-resistant coatings.
Cr2O3-TiO2-SiO2 AlO15313 SiO2:5.0,TiO2:3.0, Cr2O3:92.0 Sintered  -74 to +38
-53 to +15
-45 to +10
2435 HRC 65 to 70 Tough, dense and smooth, high hardness, excellent resistance to sliding and abrasive wear, erosion, cavitation and corrosion. Used as hard face wear, fibre abrasion, particle erosion, gas and liquid corrosion-resistant coatings.
ZrO2-8Y2O3 AlO15221 Y2O3:8.0, ZrO2:92.0 Sintered  -74 to +38
-53 to +15
-45 to +10
2480 HRC 35 to 45 Tough and dense, excellent resistance to thermal shock and particle erosion at high temperature, good insulation. Used as thermal barrier coatings, particle erosion and hot gas corrosion protective coatings.
ZrO2-13Y2O3 AlO15222 Y2O3:13.0, ZrO2:87.0 Sintered  -74 to +38
-53 to +15
-45 to +10
2480 HRC 35 to 45 Tough and dense, excellent resistance to thermal shock and particle erosion at high temperature, good insulation. Used as thermal barrier coatings, particle erosion and hot gas corrosion protective coatings.
ZrO2-5CaO AlO15211 CaO:5.0, ZrO2:95.0 Sintered  -74 to +38
-53 to +15
-45 to +10
2535 to 2550 HRC 30 to 45 Porous coat having good thermal insulation properties, resistant to corrosion, heat and thermal shock. Used for thermal barrier and gas corrosion resistant coatings.
ZrO2-10CaO AlO15212 CaO:10.0, ZrO2:90.0 Sintered  -74 to +38
-53 to +15
-45 to +10
2535 to 2550 HRC 30 to 45 Porous coat having good thermal insulation properties, resistant to corrosion, heat and thermal shock. Used for thermal barrier and gas corrosion resistant coatings.