氧化铝陶瓷柱塞

Items                                  名称   Unit   

          单位     95%Al2O3         99%Al2O3

Density                                  密度         g/cm3       3.6   3.9

Flexural Strength                      抗弯强度 MPa      313         340

Compressive Strength                    抗压强度     MPa 3400         3600

Modulus of Elasticity                  弹性模量   GPa  350  380

Impact Resistance                      抗冲击强度  MPa•m1/2       4       5.1

Weibull Modulus                        维泊尔系数  m      10     10

Vickers Hardness                        维氏硬度     HV0.5       1500         1650

Thermal Conductivity                   导热系数         W/mk       24     27

Highest Application Temperature          最高使用温度        ℃     1750         1750

Volume Resistivity at 20℃              20℃体积电阻  Ω.cm20  >1014       >1014

Dielertric strength                     电介质强度     KV/mm     20     25

Thermal expansion                        热膨胀系数      X10-6/K    5.0-8.3     5.4-8.3