Morgan Advanced Ceramics Deranox™975 Mac-A975R Technical Ceramic

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Morgan Advanced Ceramics Deranox™975 Mac-A975R Technical Ceramic
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Fine grain alumina ceramic. A high quality material, widely used for electrical and mechanical components that require thick film metallizing, as well as for dynamic duties where resistance to abrasion and chemical attack are essential. Applications: Thick film metallized components, such as those with conductor and/or resistor networks, dielectric layers, solderable interfaces, etc High-integrity devices for duties in the defence, aerospace, medical, laser and scientific instrument fields Dynamic and static components in pumps and valves that handle corrosive or abrasive media information provided by Morgan Advanced Materials
Key Words:	Technical Ceramic
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Physical Properties	Metric	English	Comments

Density	3.80 g/cc	0.137 lb/in³	fired
Porosity	0.00 %	0.00 %	fully dense, nominal
Grain Size	4.0 µm	4.0 µm

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell 45 N	85	85
Hardness, Vickers	15	15	Gpa @ Hv 0.5kg
Modulus of Elasticity	340 GPa @Temperature 20.0 °C	49300 ksi @Temperature 68.0 °F
Flexural Strength	350 MPa	50800 psi	3 point; ASTM C1161
Compressive Strength	2500 MPa	363000 psi
Fracture Toughness	3.60 MPa-m½	3.28 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+16 ohm-cm @Temperature 20.0 °C	<= 1.00e+16 ohm-cm @Temperature 68.0 °F
Dielectric Constant	9.5 @Frequency 9.40e+9 Hz	9.5 @Frequency 9.40e+9 Hz
	9.6 @Frequency 1e+6 Hz	9.6 @Frequency 1e+6 Hz
Dielectric Strength	20.0 kV/mm	508 kV/in	@ 2-3mm
Dielectric Loss Index	0.00019 @Frequency 1e+6 Hz	0.00019 @Frequency 1e+6 Hz
	0.00043 @Frequency 9.40e+9 Hz	0.00043 @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	1660 °C	3020 °F	No-Load

Component Elements Properties	Metric	English	Comments
Al2O3	97.5 %	97.5 %

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.

CMORF8037 / 203514

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