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