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CeramTec DC 25 Dispersion Ceramic, Al2O3-ZrO2

Category Ceramic , Oxide , Aluminum Oxide
Manufacturer CeramTec North America
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF CeramTec DC 25 Dispersion Ceramic, Al2O3-ZrO2.pdf
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Material Notes:
DC 25 is a ZTA Alumina Zirconia Platelet Composite used in dental applications.
Physical Properties Metric English Comments
Density 4.37 g/cc
0.158 lb/in³
DIN EN 623-2
Water Absorption 0.00 %
0.00 %
Open Porosity; DIN EN 623-2
Particle Size 0.54 µm
0.54 µm
Grain
Permeability 0.00
0.00
%, Gas
Weibull Modulus 14
14
DINV ENV 843-5
Mechanical Properties Metric English Comments
Vickers Microhardness 1910
1910
HV1; DINV ENV 843-4
Tensile Modulus 357 GPa
51800 ksi
Young's; DINV ENV 843-2
Flexural Strength 1350 MPa
196000 psi
DIN EN 843-1
1390 MPa
202000 psi
Bending Strength; 4-Point; DIN ENV 843-1
Compressive Strength 4700 MPa
682000 psi
DIN 51067T1
Poissons Ratio 0.24
0.24
DINV ENV 843-2
Fracture Toughness 6.40 MPa-m½
5.82 ksi-in½
K<sub>IC</sub> (SEVNB); DIN CEN/TS 14425-1
Shear Modulus 144 GPa
20900 ksi
Calculated
Thermal Properties Metric English Comments
CTE, linear 8.10 µm/m-°C

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

@Temperature 68.0 - 752 °F
DIN EN 821-1
Specific Heat Capacity 0.700 J/g-°C
0.167 BTU/lb-°F
DINV ENV 821-3
Thermal Conductivity 17.0 W/m-K
118 BTU-in/hr-ft²-°F
DIN EN 821-2
Maximum Service Temperature, Air 1000 °C
1830 °F
Maximum Service Temperature, Inert 1000 °C
1830 °F
Component Elements Properties Metric English Comments
Al2O3 74 %
74 %
DIN EN ISO 12677
Cr2O3 0.30 %
0.30 %
DIN EN ISO 12677
Y2O3 0.60 %
0.60 %
DIN EN ISO 12677
ZrO2 24 %
24 %
DIN EN ISO 12677
Electrical Properties Metric English Comments
Volume Resistivity 2000 ohm-cm
2000 ohm-cm
IEC 672-1
Dielectric Strength 16.5 kV/mm
419 kV/in
IEC 672-1
Descriptive Properties Value Comments
Color Magenta
Monoclinic Content (%) < 10
DIN EN ISO 12677
Other Oxides (%) < 0.1
DIN EN ISO 12677
Ra = Arithmetic Mean Roughness Value (µm) <0.06
Radioactivity (Bq/kg) < 25
SrO (%) 0.8
DIN EN ISO 12677
Thermal Shock Resistance R1 (K) 355
calculated; R1 = [s? (1-µ)] / (a·E)
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