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CeramTec SL 200 BG Silicon Nitride, Si3N4-Y2O3

Category Ceramic , Nitride
Manufacturer CeramTec North America
Trade Name
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF CeramTec SL 200 BG Silicon Nitride, Si3N4-Y2O3.pdf
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Material Notes:
SL 200 BG is a silicon nitride ceramic used to make welding rollers, pins, and components, gas nozzles, and forming tools. Silicon nitrides are ideal for components working under mechanical loads and engine parts, even and especially at elevated temperatures. Their property profile includes: extremely high strength, good crack resistance, outstanding wear resistance, good heat conductivity, very low heat expansion, and good resistance to sudden changes in temperature. Due to these properties and its low weight, silicon nitride is a material for the highest demands.
Physical Properties Metric English Comments
Density 3.21 g/cc
0.116 lb/in³
DIN EN 623-2
Water Absorption 0.00 %
0.00 %
Open Porosity; DIN EN 623-2
Permeability 0.00
0.00
%, Gas
Weibull Modulus 16
16
DINV ENV 843-5
Mechanical Properties Metric English Comments
Vickers Microhardness 1650
1650
HV1; DINV ENV 843-4
Tensile Modulus 310 GPa
45000 ksi
Young's; DINV ENV 843-2
Flexural Strength 850 MPa
123000 psi
DIN EN 843-1
Compressive Strength 3000 MPa
435000 psi
DIN 51067T1
Poissons Ratio 0.26
0.26
DINV ENV 843-2
Fracture Toughness 7.00 MPa-m½
6.37 ksi-in½
K<sub>IC</sub> (SEVNB); DIN CEN/TS 14425-1
Shear Modulus 123 GPa
17800 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 3.20 µm/m-°C

@Temperature 20.0 - 400 °C
1.78 µin/in-°F

@Temperature 68.0 - 752 °F
DIN EN 821-1
4.30 µm/m-°C

@Temperature 20.0 - 1000 °C
2.39 µin/in-°F

@Temperature 68.0 - 1830 °F
DIN EN 821-1
Specific Heat Capacity 0.700 J/g-°C
0.167 BTU/lb-°F
DINV ENV 821-3
Thermal Conductivity 21.0 W/m-K
146 BTU-in/hr-ft²-°F
DIN EN 821-2
Maximum Service Temperature, Air 1300 °C
2370 °F
Maximum Service Temperature, Inert 1600 °C
2910 °F
Electrical Properties Metric English Comments
Volume Resistivity 1.00e+14 ohm-cm
1.00e+14 ohm-cm
IEC 672-1
Dielectric Constant 8.0

@Frequency 1.00e+6 Hz
8.0

@Frequency 1.00e+6 Hz
IEC 672-1
Dielectric Strength 19.0 kV/mm
483 kV/in
IEC 672-1
Dielectric Loss Index 0.0040

@Frequency 1.00e+9 Hz
0.0040

@Frequency 1.00e+9 Hz
IEC 672-1
Descriptive Properties Value Comments
Ra = Arithmetic Mean Roughness Value (µm) <0.1
Thermal Shock Resistance R1 (K) 569
calculated; R1 = [s? (1-µ)] / (a·E)
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