zirconium oxide(ZrO2) rollers,ceramic balls,ZrO2 bearings,zirconia rings,ceramic tube, Si3N4 blocks, shafts
density(g/cm3)relative density(??)elastic modulus(GPa)compression strength ratio(25C)??Hardness HV(GPa)3.260.02>99.5300-32040-5016-20Fracture toughness(MPa.m1/21/2)Bending trength(MPa)Poisson's ratioLinear expansion coefficient10-6K-1Webuller modulus6.0-9.0600-10000.253.1-3.312-15Thermal conductivity (W.(m.K)-1)Specific resistance ratioCorrosion resistanceSize stability