本公司专长: 为满足客户特殊需求,专业设计定制各种异型、特异型陶瓷件;欢迎来图来样。
Our company's specialty is to design and customize all kinds of special shape ceramic parts for meeting customer's special requirements. welcome to send us the drawings and samples.
品牌： 特恩之
Brand： TM
功能: 绝缘耐磨耐蚀耐高温高湿
Function: insulationwear-resistinganti-corrosionhigh 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
氧化铝陶瓷管棒
alumina ceramic tube and rod
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(℃) ≥
1750
