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	Original Value	Comments

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

Mechanical Properties	Original Value	Comments
Hardness, Rockwell 45 N	85
Hardness, Vickers	15	Gpa @ Hv 0.5kg
Modulus of Elasticity	340 GPa @Temperature 20.0 °C
Flexural Strength	350 MPa	3 point; ASTM C1161
Compressive Strength	2500 MPa
Fracture Toughness	3.60 MPa-m½

Electrical Properties	Original Value	Comments
Volume Resistivity	<= 1.00e+8 ohm-cm @Temperature 600 °C
	<= 1.00e+12 ohm-cm @Temperature 300 °C
	<= 1.00e+16 ohm-cm @Temperature 20.0 °C
Dielectric Constant	9.5 @Frequency 9.40e+9 Hz
	9.6 @Frequency 1e+6 Hz
Dielectric Strength	20.0 kV/mm	@ 2-3mm
Dielectric Loss Index	0.00019 @Frequency 1e+6 Hz
	0.00043 @Frequency 9.40e+9 Hz

Thermal Properties	Original Value	Comments
CTE, linear	8.10 µm/m-°C @Temperature 0.000 - 800 °C
Specific Heat Capacity	0.880 J/g-°C
Thermal Conductivity	24.0 W/m-K @Temperature 20.0 °C
Maximum Service Temperature, Air	1660 °C	No-Load

Component Elements Properties	Original Value	Comments
Al2O3	97.5 %

Descriptive Properties
Color	white

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CMORF8037 / 203514

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