氮化硅陶瓷元件
氮化硅具有高温韧性,是发动机零件的最佳选择, 优越的抗热震性, 重量轻,耐腐蚀.
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产品描述
氮化硅具有良好的高温强度, 抗蠕变性和抗氧化性, 氮化硅提供低
与大多数陶瓷材料相比,热膨胀系数具有良好的抗热震性。氮化硅经过烧结
在高温下( 2000℃左右)且高度致密 . 与碳化硅相比, 氮化硅具有更好的机械性能
强度和耐热震性. 它还具有优异的电绝缘性能, 耐磨、耐腐蚀
反抗
Si3N4陶瓷的主要特点
1.低密度: 3.2 克/厘米3 油田用氮化硅陶瓷线圈芯
2. 油田用氮化硅陶瓷线圈芯, 油田用氮化硅陶瓷线圈芯
3. 油田用氮化硅陶瓷线圈芯
4. 油田用氮化硅陶瓷线圈芯 (20 W/m.k)
5. 油田用氮化硅陶瓷线圈芯, 油田用氮化硅陶瓷线圈芯
6. 油田用氮化硅陶瓷线圈芯
7. 油田用氮化硅陶瓷线圈芯 & 耐高温, 油田用氮化硅陶瓷线圈芯. 油田用氮化硅陶瓷线圈芯
8. 油田用氮化硅陶瓷线圈芯, 油田用氮化硅陶瓷线圈芯
9. 油田用氮化硅陶瓷线圈芯, 油田用氮化硅陶瓷线圈芯
Properties of Silicon Nitride (氮化硅)
Very low density
High wear resistance and corrosion resistance
耐高温
Good flexural strength and high fracture toughness
Very good thermal shock resistance
Dimensional stability and aging resistance
Excellent sliding properties (tribology)
Biocompatibility (for use in hygiene and the food and beverage industry)
技术陶瓷数据表
财产 | Si3N4陶瓷的典型应用 | 材料 | ||||
氮化硅 | 99.5% 氧化铝 | 99% 氧化铝 | 96% 氧化铝 | 氧化锆 | ||
密度 | 克/厘米3 | Si3N4陶瓷的典型应用 | Si3N4陶瓷的典型应用 | ≥3.85 | Si3N4陶瓷的典型应用 | Si3N4陶瓷的典型应用 |
吸水率 | % | – | 0 | 0 | 0 | 0 |
硬度 | 高压 | – | 1700 | 1700 | 1500 | 1300 |
抗弯强度 | 兆帕 | Si3N4陶瓷的典型应用 | ≥379 | ≥338 | ≥320 | ≥1200 |
抗压强度 | 兆帕 | Si3N4陶瓷的典型应用 | ≥2240 | ≥2240 | ≥2000 | ≥1990 |
断裂韧性 | 兆帕米1/2 | 6 | 4-5 | 4-5 | 3-4 | 6.5-8 |
最大限度. Si3N4陶瓷的典型应用 | ℃ | 1200 | 1675 | 1600 | 1450 | 1000 |
Si3N4陶瓷的典型应用 (科特) | 1×10 -6 /℃ | 3.2 | 6.5~8.0 | 6.2~8.0 | 5.0~8.0 | 8.0~9.5 |
热冲击 | 吨(℃) | Si3N4陶瓷的典型应用 | ≥250 | ≥200 | ≥220 | ≥300 |
导热系数(25℃) | W/m.k | 20 | 30 | 29 | 24 | 3 |
体积电阻率 | 欧姆.厘米 | |||||
25℃ | – | >1 X 10 14 | >1 X 10 14 | >1 X 10 14 | >1 X 10 11 | |
300℃ | – | 1 X 10 12 | 8 X 10 11 | 10 12 -10 13 | 1 X 10 10 | |
500℃ | – | 5 X 10 10 | 2 X 10 9 | 1 X 10 9 | 1 X 10 6 | |
绝缘强度 | 千伏/毫米 | 19 | 18 | 18 | 17 | |
介电常数(1兆赫) | (乙) | 6 | 9.7 | 9.5 | 9.5 | 29 |
Related Products of Silicon Nitride (氮化硅):
Ceramic Seal Rings, Bearings and Sealing Technology
Ceramic Rollers and Guide Elements
Ceramic Forming Rings and Large Components
Ceramic Rollers and Drawing Cones
Ceramic Bearing Rollers
Centering Pins
Ceramic Inserts
陶瓷喷嘴
Components for Pumps and Valve
Silicon nitride ceramic Product Gallery: