品牌： 特恩之
Brand： TM
功能: 耐磨\\耐高温高湿\\绝缘\\耐腐蚀
Function: wear resistant\\high temperature and humidity resistance\\ insulation\\anti-corrosion
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 | 氧化铝耐磨陶瓷 alumina wear-resisting ceramic |
氧化铝AL2O3(%) | 94-99 |
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） | 7.2×10-6 |
导热系数Thermal conductivity (w/m.k) | 18-20 |
绝缘强度Insulating strength（KV/mm）≥ | 15 |
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 |
