品牌： 特恩之
Brand： TM
功能: 绝缘\\电阻\\高导热\\耐高温高湿
Function: insulation \\ resistance \\high thermal conductive\\high temperature and humidity resistance
成型工艺: 热压/干压/等静压/挤压
Forming process : hot-pressing/ dry pressing/isostatic pressing/ extrusion Forming
缺点: 脆性,使用时注意尽量避免或减少敲击,摔打,突然性碰撞等。
Shortcoming: fragility, Pay attention to avoid or reduce knock and bang and sudden collision.
加工定制： 是
Working area custom-made： YES
微观结构：多晶
Microstructure： polycrystal
颜色: 乳白色,白色,米黄,黑色,其他各色
Colour: ivory ,white, cream-coloured, black,else
理化指标:
Physical and Chemical Index :
特性Property | 氧化铝电器电子陶瓷 Electric and electronic ceramic |
氧化铝AL2O3(%) | 94-99.7 |
体积密度bulk density (g/cm3) ≥ | 3.55-3.95 |
莫氏硬度Moh’s hardness | 9 |
热膨胀系数coefficient of thermal expansion(m/m.K) (20-1000℃) | 7-8×10-6 |
导热系数Thermal conductivity (w/m.k) | 18-22 |
绝缘强度Insulating strength（KV/mm） | 15-20 |
直流击穿强度DC breakdown strength (Kv/mm) | 17.6-20 |
吸水率Water absorption（%）< | 0.08 |
断裂韧性fracture toughness KΙC≥ | 4.8MPa·m1/2 |
抗弯强度flexure strength≥ | 290MPa |
常温耐压强度Ambient compressive strength（Mpa）≥ | 850 |
常温抗折强度Cold bending strength (Mpa) ≥ | 520 |
耐火度Refractoriness（℃）≥ | 2000 |
最高使用温度Max service temperature(℃) ≥ | 1650 |
