Ceradyne Ceralloy® 147-31E Sintered Reaction Bonded Silicon Nitride (Si3N4)

Category	Ceramic , Nitride
Manufacturer	Ceradyne Advanced Ceramics
Trade Name	Ceralloy®
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Ceradyne Ceralloy® 147-31E Sintered Reaction Bonded Silicon Nitride (Si3N4).pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Ceralloy® 147 Reaction Bonded Silicon Nitride (RBSN) is a high purity grade of silicon nitride. RBSN has excellent thermal shock resistance and outstanding compatibility with non-ferrous molten metals. This lower cost alternative to the fully dense silicon nitride grades can be manufactured to close tolerance without the need for expensive diamond grinding.Features: Impact Strength Net Shape Fabrication Applications: Cutting Tools Wear Components Information provided by Ceradyne, Inc.

Physical Properties	Metric	English
Density	3.30 g/cc	0.119 lb/in³
Porosity	0.00 %	0.00 %
Weibull Modulus	10 - 15	10 - 15

Mechanical Properties	Metric	English	Comments
Vickers Microhardness	1450	1450	HV (0.3); kg/mm<sup>2</sup>
Abrasive Hardness	825	825	Abrasive Wear Resistance Parameter
Modulus of Elasticity	310 GPa	45000 ksi
Flexural Strength	700 MPa	102000 psi
Poissons Ratio	0.28	0.28
Fracture Toughness	6.00 MPa-m½	5.46 ksi-in½
Shear Modulus	121 GPa	17500 ksi	Calculated

Thermal Properties	Metric	English	Comments
CTE, linear	3.10 µm/m-°C @Temperature 20.0 - 1000 °C	1.72 µin/in-°F @Temperature 68.0 - 1830 °F
Thermal Conductivity	42.0 W/m-K	291 BTU-in/hr-ft²-°F

Electrical Properties	Metric	English	Comments
Electrical Resistivity	1.00e+14 - 1.00e+15 ohm-cm	1.00e+14 - 1.00e+15 ohm-cm	Minimum
Dielectric Constant	8.0	8.0

Descriptive Properties	Value	Comments
Purity, %	>92
Theoretical Density, %	>99.5
Thermal Shock Parameter, °C	524

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