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Rulon Bearings

CoorsTek ZDY Yttria Fully Stabilized Zirconia
Categories: Ceramic; Oxide; Zirconium Oxide

Material Notes: Oxygen ionic conductor for high-stress and high-thermal-shock environments

Key Words: ZrO2
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Physical PropertiesMetricEnglishComments
Density 5.60 g/cc0.202 lb/in³ASTM-C 20
Water Absorption 0.00 %0.00 %ASTM-373
 
Mechanical PropertiesMetricEnglishComments
Hardness, Rockwell 45 N 7575
Modulus of Elasticity 173 GPa25100 ksiASTM-C848
Flexural Strength 207 MPa30000 psiMOR; ASTM-F417
Fracture Toughness 3.00 MPa-m½2.73 ksi-in½Notched Beam
 
Thermal PropertiesMetricEnglishComments
CTE, linear 10.5 µm/m-°C
@Temperature 25.0 - 1000 °C
5.83 µin/in-°F
@Temperature 77.0 - 1830 °F
ASTM-C372
Thermal Conductivity 2.20 W/m-K15.3 BTU-in/hr-ft²-°FASTM-C408
Maximum Service Temperature, Air 2400 °C4350 °FNO-LOAD COND.
 
Descriptive Properties
ColorIvory
PermeabilityGas tight
Thermal Shock Resistance (°C)200 ΔTc

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