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PRODUCT DATA of Al2O3
MaterialAl2O3
Product Datasheettechnical ceramics
General InformationExcellent hardness and high wear resistance, toghether with a good acids endurance
Main CategoriesUsed in shafts, pistons, balls for valves, nozzles, thermal barriers
Name of ManufacturerATC components
Via V. Veneto, 23851, Galbiate (LC)
+39 3343770812
salesworld@atccomponents.it
www.atccomponents.it
PHYSICAL PROPERTIES
Specific Gravity3.9
ELASTIC PROPERTIES
Tensile Modulus300 to 400 GPa
Poisson Ratio0.19
MECHANICAL PROPERTIES
Ultimate Tensile Strength303 MPa
Fracture Toughness (KIc)4 to 5 MPa.m^1/2
Hardness1500 to 1650 Hv
Shear Strength330 MPa
ELECTRICAL PROPERTIES
Electrical Volume Resistivity1e7 ohm.m(minimum)
Dielectric Constant9 to 10.1
Dielectric Strength10 to 35 kV/mm
THERMAL PROPERTIES
Temperature Range1700 °C(maximum)
Thermal Conductivity26 to 35 W/m.K
Thermal Expansion Coefficient8 μstrain/°C
Specific Heat0.85 to 0.9 J/g.K
Melting Range2100 °C