Morgan Advanced Ceramics Deranox™970 Mac-A970R Technical Ceramic

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Morgan Advanced Ceramics Deranox™970 Mac-A970R Technical Ceramic
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	High-quality alumina ceramic. This material is an excellent electrical insulator that can be metallized to facilitate high-temperature brazing of assemblies. Applications: Metallized ceramic components used in high-integrity applications, including: High-vacuum systems Laser equipment (gas, solid-state and waveguide) X-ray tubes and electron microscopes Microwave windows Insulators in medical and scientific equipment information provided by Morgan Advanced Materials
Key Words:	Technical Ceramic
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Physical Properties	Metric	English	Comments

Density	3.74 g/cc	0.135 lb/in³	fired
Porosity	0.00 %	0.00 %	fully dense, nominal
Grain Size	14 µm	14 µm

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	12.8	12.8	Gpa @ Hv 0.5kg
Modulus of Elasticity	330 GPa @Temperature 20.0 °C	47900 ksi @Temperature 68.0 °F
Flexural Strength	280 MPa @Temperature 20.0 °C	40600 psi @Temperature 68.0 °F	3 point
Compressive Strength	2000 MPa	290000 psi
Fracture Toughness	3.50 MPa-m½	3.19 ksi-in½

Electrical Properties	Metric	English	Comments
Volume Resistivity	<= 1.00e+8 ohm-cm @Temperature 600 °C	<= 1.00e+8 ohm-cm @Temperature 1110 °F
	<= 1.00e+12 ohm-cm @Temperature 300 °C	<= 1.00e+12 ohm-cm @Temperature 572 °F
	<= 1.00e+15 ohm-cm @Temperature 20.0 °C	<= 1.00e+15 ohm-cm @Temperature 68.0 °F
Dielectric Constant	9.1 @Frequency 9.40e+9 Hz	9.1 @Frequency 9.40e+9 Hz
	9.2 @Frequency 1e+6 Hz	9.2 @Frequency 1e+6 Hz
Dielectric Strength	30.6 kV/mm	777 kV/in
Dissipation Factor	0.00041 @Frequency 1e+6 Hz	0.00041 @Frequency 1e+6 Hz
	0.00067 @Frequency 9.40e+9 Hz	0.00067 @Frequency 9.40e+9 Hz
	0.00101 @Frequency 9.40e+9 Hz	0.00101 @Frequency 9.40e+9 Hz

Thermal Properties	Metric	English	Comments
CTE, linear	8.10 µm/m-°C @Temperature 0.000 - 800 °C	4.50 µin/in-°F @Temperature 32.0 - 1470 °F
Specific Heat Capacity	0.880 J/g-°C	0.210 BTU/lb-°F
Thermal Conductivity	24.0 W/m-K @Temperature 20.0 °C	167 BTU-in/hr-ft²-°F @Temperature 68.0 °F
Maximum Service Temperature, Air	1550 °C	2820 °F	No-Load

Component Elements Properties	Metric	English	Comments
Al2O3	97 %	97 %

Descriptive Properties
Color	white

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

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