Ceria Stabilized Zirconia (CSZ)

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

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> CSZ's Superior Resistance to Low Temperatures

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 Charts	Ceria Stabilized Zirconia (CSZ)
Master Ceramics Property Chart	Full Color Printer Friendly - Color Printer Friendly - B&W
Safety Data Sheets	Dense Ceria Stabilized Zirconia Ceramic Ceria Stabilized Zirconia Powder (RTP)

Prime Features
High mechanical strength	High temperature resistance
Very high wear resistance	Very high impact resistance
Low thermal conductivity	Thermal expansion suitable for ceramic-to-metal assemblies
High chemical resistance (acids/bases)	High and low pH resistance
Resistance to low temperature degradation

Typical Applications
Instrumentation	Sensors
Seals	Bearings
Desalination plant components	Steam system instrumentation
Boiler probes	Underwater sensors
Pump pistons	Medical instrumentation
Pump liners	Valve seats
Emission sensors	Marine system components
Chemical pumps	Fluid metering pumps
Fluid control valves	Chemical analysis fluid control systems

Materials Property Chart

		Zirconias
	Property	ASTM Method	Units	Ceria Stabilized Zirconia
General	Crystal Size (Average)	Thin Section	Microns	3
	Color	--	--	Yellow
	Gas Permeability	--	atms-cc/sec	gas tight <10^-10
	Water Absorption	C 20-97	%	0
Mechanical	Density	C 20-97	g/cc	6.20
	Hardness	Vickers 500gm	GPa (kg/mm²)	11.7 (1200)
	Hardness	--	R45N	78
	Fracture Toughness	Notched Beam	MPam^1/2	12
	Flexural Strength (MOR) (3 point) @ RT	F417-87	MPa (psi x 10³	551 (80)
	Tensile Strength @ RT	--	MPa (psi x 10³)	337 (49)
	Compressive Strength @ RT	--	MPa (psi x 10³)	2000 (290)
	Elastic Modulus	C848	GPa (psi x 10⁶)	200 (29)
	Poisson's Ratio	C848	--	0.25
Thermal	C.T.E. 25 - 100° C	C 372-96	x 10^-6/C	6.9
	C.T.E. 25 - 300° C	C 372-96	x 10^-6/C	8.1
	C.T.E. 25 - 600° C	C 372-96	x 10^-6/C	10.5
	Thermal Conductivity @ RT	C 408	W/m K	3.5
	Max Use Temp	--	Fahrenheit (°F)	1000
	Max Use Temp	--	Celsius (°C)	537
Electrical	Dielectric Strength (.125" Thick)	D 149-97A	V/mil	250
	Dielectric Constant @ 1 MHz	D 150-98	--	30.0
	Dielectric Loss @ 1 MHz	D 150-98	--	0.0010
	Volume Resistivity, 25°C	D 257	ohms-cm	> 1 x 10¹³
	Volume Resistivity, 300°C	D 1829	ohms-cm	1 x 10¹⁰
	Volume Resistivity, 500°C	D 1829	ohms-cm	1 x 10⁶
	Volume Resistivity, 700°C	D 1829	ohms-cm	5 x 10³

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.

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