ESD-Safe Zirconia
ESD zirconia is a grade of zirconia. The graph bars on the material properties cards below compare ESD zirconia to other oxide-based engineering ceramics (top) and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.
Mechanical Properties
Compressive (Crushing) Strength
1260 MPa 180 x 103 psi
Elastic (Young's, Tensile) Modulus
200 GPa 29 x 106 psi
Flexural Strength
630 MPa 91 x 103 psi
Fracture Toughness
8.0 MPa-m1/2 7.3 x 103 psi-in1/2
Thermal Properties
Maximum Temperature: Mechanical
500 °C 930 °F
Maximum Thermal Shock
300 °C 570 °F
Specific Heat Capacity
400 J/kg-K 0.1 BTU/lb-°F
Thermal Conductivity
4.3 W/m-K 2.5 BTU/h-ft-°F
Thermal Expansion
9.5 µm/m-K
Other Material Properties
Density
5.8 g/cm3 360 lb/ft3
Electrical Resistivity Order of Magnitude
4.5 10x Ω-m
Common Calculations
Stiffness to Weight: Axial
19 points
Stiffness to Weight: Bending
33 points
Strength to Weight: Axial
19 to 22 points
Strength to Weight: Bending
21 to 23 points
Thermal Diffusivity
1.8 mm2/s
Thermal Shock Resistance
15 to 19 points
Followup Questions
Further Reading
Ceramic and Glass Materials: Structure, Properties and Processing, James F. Shackelford and Robert H. Doremus (editors), 2008
Ceramics and Composites: Processing Methods, Narottam P. Bansal and Aldo R. Boccaccini (editors), 2012
Springer Handbook of Condensed Matter and Materials Data, W. Martienssen and H. Warlimont (editors), 2005