Items                                  名稱   Unit   

          單位     95%Al2O3         99%Al2O3

Density                                  密度         g/cm3       3.6   3.9

Flexural Strength                      抗彎強度 MPa      313         340

Compressive Strength                    抗壓強度     MPa 3400         3600

Modulus of Elasticity                  彈性模量   GPa  350  380

Impact Resistance                      抗沖擊強度  MPa?m1/2       4       5.1

Weibull Modulus                        維泊爾系數(shù)  m      10     10

Vickers Hardness                        維氏硬度     HV0.5       1500         1650

Thermal Conductivity                   導(dǎo)熱系數(shù)         W/mk       24     27

Highest Application Temperature          最高使用溫度        ℃     1750         1750

Volume Resistivity at 20℃              20℃體積電阻  Ω.cm20  >1014       >1014

Dielertric strength                     電介質(zhì)強度     KV/mm     20     25

Thermal expansion                        熱膨脹系數(shù)      X10-6/K    5.0-8.3     5.4-8.3