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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
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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 Comments
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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