CoorsTek EXYRA™ BULK YTTRIA Min. 99.9% Y 2 O 3

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CoorsTek EXYRA™ BULK YTTRIA Min. 99.9% Y₂O₃
Categories:	Ceramic; Oxide
Material Notes:	Information provided by CoorsTek.
Key Words:	Y2O3
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Physical Properties	Metric	English	Comments

Density	4.95 g/cc	0.179 lb/in³	ASTM-C20
Grain Size	30 µm	30 µm	ASTM-E112
	10 - 70 µm	10 - 70 µm	ASTM-E112

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	6.0 @Load 1.00 kg	6.0 @Load 2.20 lb	ASTM-C1327
	7.0 @Load 0.500 kg	7.0 @Load 1.10 lb	ASTM-C1327
Modulus of Elasticity	170 GPa	24700 ksi	ASTM-C848
Flexural Strength	100 MPa	14500 psi	4-Point; ASTM-C1161
	140 MPa	20300 psi	3-Point; ASTM-C1161
Poissons Ratio	0.28	0.28	ASTM-C848
Fracture Toughness	1.20 MPa-m½	1.09 ksi-in½	K_IC; KNOOP 1000 gm

Electrical Properties	Metric	English	Comments
Volume Resistivity	400000 ohm-cm @Temperature 1000 °C	400000 ohm-cm @Temperature 1830 °F	ASTM-D1829
	1.00e+7 ohm-cm @Temperature 600 °C	1.00e+7 ohm-cm @Temperature 1110 °F	ASTM-D1829
	1.00e+9 ohm-cm @Temperature 500 °C	1.00e+9 ohm-cm @Temperature 932 °F	ASTM-D1829
	1.00e+12 ohm-cm @Temperature 300 °C	1.00e+12 ohm-cm @Temperature 572 °F	ASTM-D1829
	>= 1.00e+14 ohm-cm @Temperature 25.0 °C	>= 1.00e+14 ohm-cm @Temperature 77.0 °F	ASTM-D1829
Dielectric Constant	11.5 @Frequency 1e+6 Hz	11.5 @Frequency 1e+6 Hz	ASTM-D150
	11.5 @Frequency 5.00e+9 Hz	11.5 @Frequency 5.00e+9 Hz	TE₀₁₁ Resonant Mode
Dielectric Strength	16.5 kV/mm @Thickness 1.00 mm	420 kV/in @Thickness 0.0394 in	ASTM-D116
Dissipation Factor	<= 0.00010	<= 0.00010	ASTM-D150
	0.000015 @Frequency 5.00e+9 Hz	0.000015 @Frequency 5.00e+9 Hz	TE₀₁₁ Resonant Mode

Thermal Properties	Metric	English	Comments
CTE, linear	7.00 µm/m-°C @Temperature 400 °C	3.89 µin/in-°F @Temperature 752 °F	ASTM-C372
	7.70 µm/m-°C @Temperature 800 °C	4.28 µin/in-°F @Temperature 1470 °F	ASTM-C372
	7.90 µm/m-°C @Temperature 1000 °C	4.39 µin/in-°F @Temperature 1830 °F	ASTM-C372
Specific Heat Capacity	0.450 J/g-°C	0.108 BTU/lb-°F	ASTM-E1269
Thermal Conductivity	15.0 W/m-K	104 BTU-in/hr-ft²-°F	ASTM-C408

Component Elements Properties	Metric	English	Comments
Iron, Fe	<= 0.00020 %	<= 0.00020 %	in Sintered Material per Glow Discharge Mass Spec
Magnesium, Mg	<= 0.00010 %	<= 0.00010 %	in Sintered Material per Glow Discharge Mass Spec
Other, total	<= 0.050 %	<= 0.050 %	in Sintered Material per Glow Discharge Mass Spec
Silicon, Si	<= 0.010 %	<= 0.010 %	in Sintered Material per Glow Discharge Mass Spec
Sodium, Na	<= 0.00010 %	<= 0.00010 %	in Sintered Material per Glow Discharge Mass Spec
Y2O3	>= 99.9 %	>= 99.9 %

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CCOOR825 / 254573

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