Morgan Advanced Ceramics SSN Sintered Silicon Nitride Mac-SSNS

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Morgan Advanced Ceramics SSN Sintered Silicon Nitride Mac-SSNS
Categories:	Ceramic; Nitride
Material Notes:	An advanced synthetic ceramic with a nominal Si3N4 content of 99%. The sintered silicon nitride (SSN) technique produces a material with excellent physical properties that is ideally suited to components that operate under thermally demanding conditions. Prime Features: Outstanding resistance to thermal downshock Extremely hard and wear resistant .Exceptional compressive strength Excellent resistance to attack from molten non-ferrous alloys containing aluminium, magnesium, copper, zinc and lead Spatter resistant Low thermal conductivity High electrical resistivity Typical Applications: Shrouds for TIG/MIG welding torches Shrouds for plasma cutting torches Heat treatment jigs and fixtures Bearing balls and rollers Production Capabilities: Manufacture to close engineering tolerances Prototype, batch and volume production Information provided by Morgan Advanced Materials
Key Words:	SSN
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Physical Properties	Metric	English	Comments

Density	3.20 g/cc	0.116 lb/in³	fired
Open Porosity	0.00 %	0.00 %	fully dense, nominal, apparent

Mechanical Properties	Metric	English	Comments
Hardness, Vickers	16 @Load 0.500 kg	16 @Load 1.10 lb	[Gpa]
Modulus of Elasticity	280 GPa @Temperature 20.0 °C	40600 ksi @Temperature 68.0 °F
Flexural Strength	650 MPa @Temperature 20.0 °C	94300 psi @Temperature 68.0 °F	3 point
Compressive Strength	>= 3000 MPa	>= 435000 psi

Electrical Properties	Metric	English	Comments
Volume Resistivity	>= 1.00e+12 ohm-cm @Temperature 20.0 °C	>= 1.00e+12 ohm-cm @Temperature 68.0 °F	pure form

Thermal Properties	Metric	English	Comments
CTE, linear	8.80 µm/m-°C @Temperature 20.0 - 1000 °C	4.89 µin/in-°F @Temperature 68.0 - 1830 °F
Thermal Conductivity	5.00 W/m-K @Temperature 20.0 °C	34.7 BTU-in/hr-ft²-°F @Temperature 68.0 °F

Descriptive Properties
Color	black (reduced form)
	gray

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CMORF5085 / 200322

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