Morgan Advanced Ceramics AL-300™ 97-99% Alumina

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Morgan Advanced Ceramics AL-300™ 97-99% Alumina
Categories:	Ceramic; Oxide; Aluminum Oxide
Material Notes:	Excellent mechanical, thermal, electrical, and chemical properties. Highly versatile grades that can be used for metallized applications.
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Physical Properties	Original Value	Comments

Density	3.74 - 3.89 g/cc	Fired
Porosity	0.00 %	Apparent; fully dense
Particle Size	4.0 - 14 µm	Grain size

Mechanical Properties	Original Value	Comments
Hardness, Rockwell 45 N	75 - 85
Vickers Microhardness	12800 - 17000	MPa, at Hv 0.5kg
Modulus of Elasticity	330 - 340 GPa @Temperature 20.0 °C
Flexural Strength	296 - 350 MPa @Temperature 20.0 °C	3-point
Compressive Strength	1720 - 2500 MPa
Fracture Toughness	3.50 - 3.60 MPa-m½

Electrical Properties	Original Value	Comments
Volume Resistivity	1.00e+8 - 2.30e+10 ohm-cm @Temperature 600 °C
	1.00e+14 - 1.00e+16 ohm-cm @Temperature 20.0 °C
Dielectric Constant	9.0 @Frequency 1e+9 Hz
	9.1 - 9.5 @Frequency 9.40e+9 Hz
	9.2 - 9.8 @Frequency 1e+6 Hz
Dielectric Strength	10.0 - 43.3 kV/mm @Temperature 20.0 °C	dc
Dissipation Factor	0.00030 @Frequency 1e+9 Hz
Dielectric Loss Index	0.00019 - 0.00041 @Frequency 1e+6 Hz
	0.00038 @Frequency 1e+7 Hz	K*tan delta
	0.00043 - 0.00067 @Frequency 9.40e+9 Hz
	0.0027 @Frequency 1e+9 Hz	K*tan delta
	0.00407 @Frequency 8.50e+9 Hz	K*tan delta

Thermal Properties	Original Value	Comments
CTE, linear	6.90 - 8.10 µm/m-°C @Temperature 20.0 °C
	8.00 - 8.80 µm/m-°C @Temperature 800 °C
Specific Heat Capacity	0.880 J/g-°C
Thermal Conductivity	24.0 - 26.8 W/m-K @Temperature 20.0 °C
Maximum Service Temperature, Air	1550 - 1650 °C

Component Elements Properties	Original Value	Comments
Al2O3	97 - 99 %

Descriptive Properties
Te Value	1000	°C
Thermal Downshock	150-200	Change in °C

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CMORG16 / 90394

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