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Ceria Stabilized Zirconia (CSZ)

Why does MSZ have a better high temperature strength than YTZP?

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Consider CSZ a top candidate when choosing a material for high strength and toughness in moist, challenging environments. With high flexural strength and very high compressive strength this material is ideally suited as a structural component in sensors, instrumentation, probes, pumps and fluid control systems.

CSZ offers a more robust Stabilized Zirconia material when low temperature degradation properties are in question, displaying a reduced vulnerability of molecular water attack compared to YTZP or MSZ, The ability of this material to withstand high temperature, wet operating conditions elevates its performance above other ceramic materials.

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Property Charts & Safety Data Sheets
Property ChartsCeria Stabilized Zirconia (CSZ)
Master Ceramics Property ChartFull Color
Printer Friendly - Color 
Printer Friendly - B&W
Safety Data SheetsDense Ceria Stabilized Zirconia Ceramic
Ceria Stabilized Zirconia Powder (RTP)
Prime Features
High mechanical strengthHigh temperature resistance
Very high wear resistanceVery high impact resistance
Low thermal conductivityThermal expansion suitable for ceramic-to-metal assemblies
High chemical resistance (acids/bases)High and low pH resistance
Resistance to low temperature degradation 
Typical Applications
InstrumentationSensors
SealsBearings
Desalination plant componentsSteam system instrumentation
Boiler probesUnderwater sensors
Pump pistonsMedical instrumentation
Pump linersValve seats
Emission sensorsMarine system components
Chemical pumpsFluid metering pumps
Fluid control valvesChemical analysis fluid control systems

Materials Property Chart
 Zirconias
 PropertyASTM MethodUnitsCeria Stabilized Zirconia
ElectricalDielectric Strength (.125" Thick)D 149-97AV/mil250
Dielectric Constant @ 1 MHzD 150-98--30.0
Dielectric Loss @ 1 MHzD 150-98--0.0010
Volume Resistivity, 25°CD 257ohms-cm> 1 x 1013
Volume Resistivity, 300°CD 1829ohms-cm1 x 1010
Volume Resistivity, 500°CD 1829ohms-cm1 x 106
Volume Resistivity, 700°CD 1829ohms-cm5 x 103
ThermalC.T.E. 25 - 100° CC 372-96x 10-6/C6.9
C.T.E. 25 - 300° CC 372-96x 10-6/C8.1
C.T.E. 25 - 600° CC 372-96x 10-6/C10.5
Thermal Conductivity @ RTC 408W/m K3.5
Max Use Temp--Fahrenheit (°F)1000
--Celsius (°C)537
MechanicalDensityC 20-97g/cc6.20
HardnessVickers 500gmGPa (kg/mm2)11.7 (1200)
Hardness--R45N78
Fracture ToughnessNotched BeamMPam1/212
Flexural Strength (MOR)
(3 point) @ RT		F417-87MPa (psi x 103551 (80)
Tensile Strength @ RT--MPa (psi x 103)337 (49)
Compressive Strength @ RT--MPa (psi x 103)2000 (290)
Elastic ModulusC848GPa (psi x 106)200 (29)
Poisson's RatioC848--0.25
GeneralCrystal Size (Average)Thin SectionMicrons3
Color----Yellow
Gas Permeability--atms-cc/secgas tight <10-10
Water AbsorptionC 20-97%0
Note: The information in this data sheet is for design guidance only. STC does not warrant this data as absolute values. Forming methods and specific geometry could affect properties. Slight adjustments can be made to some of the properties to accommodate specific customer requirements. Most of the dense materials in the table are resistant to mechanical erosion and chemical attack. STC has performed ASTM testing qualification for certain compositions, in accordance with ASTM D2442. Please consult our technical staff for appropriate material and specific test results.