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Material Al2O3 ZrO2
Grade AS 99 A 99 A 96 A 92 SA ZY ZM
Main Component 99.70% 99.70% 96% 92% Al2O3+
ZrO2		 ZrO2+Y2O2 ZrO2+MgO
Specific Density
( g/cm2)		 3.95 3.93 3.72 3.65 4 6.01 5.7
Bending Strength
( kg/mm2)		 40 40 35 35 50 90 60
Vickers Harness
( kg/mm2)		 1,800 1,800 1,400 1,500 1,700 1,600 1,500
Fracture Toughness
( Mpam1/2)		 3 4 4 4 4.5 8 9
Thermal Shock Resistance
(http://www.yosaneng.com/img/txt_tan.gif T )		 200 200 200 200 300 250 400
Working Temperature
(°C )		 1,500 1,500 1500 1400 1500 800 1000
Corrosion Acid Excell Excell Good Good Good Good Good
Resistance Alkali Excell Excell Good Good Good Good Good
Merit  * High Wear Resistance  * High Wear Resistance
 * High Corrosion Resistance  * High Toughness
 * High Temperature Application  * Insulation of Heat
Material TiC Si3N4
Grade AT SN 10 SN 20
Main Component Al2O3 + TiC Si3N4 SiAION
Specific Density( g/cm2) 4.4 3.2 3.2
Bending Strength( kg/mm2) 50 80 80
Vickers Harness( kg/mm2) 1,700 1,600 1,650
Fracture Toughness
( Mpam1/2)		 4.5 6 6
Thermal Shock Resistance
(http://www.yosaneng.com/img/txt_tan.gif T )		 400 800 800
Working Temperature
( °C )		 1,000 1,100 1,200
Corrosion Acid Good Good Good
Resistance Alkali Good Good Good
Merit  * High Wear Resistance  * High Thermal Shock Resistance
 * High Electrical Conductivity  * Good HighTemp strength
   * High Wear Resistance
Material BN Composite
Grade CB 10 CB 20 CB 30
Main Component Si3N4 + BN
Specific Density( g/cm2) 2.1 1.9 1.7
Bending Strength( kg/mm2) 40 25 10
Vickers Harness( kg/mm2) - - -
Fracture Toughness
( Mpam1/2)		 - - -
Thermal Shock Resistance
(http://www.yosaneng.com/img/txt_tan.gif T )		 900 1,000 1,100
Working Temperature
( °C )		 1,100 1,100 1,100
Corrosion Acid Good Good Good
Resistance Alkali Good Good Good
Merit  * High Thermal Shock Resistance
 * Lubricating Effect

 
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