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         E       propertIes of fIne CeramICs                                                                                                                                                                                        E






                 DENSITY(g/cm ) 3                                 HARDNESS(Kg/mm )                                                THERMAL EXPANSION(%)                             THERMAL CONDUCTIVITY(ω/mK)
                                                                                 2
       tech-                                                                                                                                                                                                                        tech-
        nical                                                                                                                                                                                                                       nical
        Data                                                                                                                                                                                                                        Data






















                 BENDING STRENGTH(MPa)                            TOUGHNESS(MP a ·   )                                            THERMAL SHOCK(∆T, ℃)                             WORKING TEMP.(℃, in air)




























                                                                                                                                                               3
                                                                                                    2
                 YOUNG’S MODULS(10 kg/cm ) 2                      HIGH TEMPERATURE STRENGTH(kg/cm )                               CORROSION RESISTANCE(mg/cm , boiling, 30min.)
                                    6





















            4                                                                                     Union Materials                 cUttinG tools                                                                                    5
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