名称：Goodfellow（顾特服）
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氮化铝,片, AlN, 0.125mm厚
材料 >> 陶瓷
| 品牌: | Goodfellow |
| 产地: | 英国 |
产品介绍
| 订货号 | 包装规格 |
| Sizes | |
| 142-442-85 | 25 mm x 25 mm |
产品参数
| Polish[抛光] | 0.025 - 0.05μm Ra |
| State[性状] | Translucent |
| Surface Finish[表面光洁度] | Polished On Both Sides |
| Thickness[厚度] | 0.125mm |
| Chemical Resistance(耐化学性) | |
| Acids - concentrated | Poor |
| Acids - dilute | Fair |
| Alkalis | Fair |
| Metals | Good |
| Thermal Properties(热性能) | |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 4.400 @20-1000℃ |
| Melting point ( C ) | 2200.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 800.0 @25℃ |
| Sublimation point ( C ) | 2500 |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 175.00 - 190.00 @20℃ |
| Upper continuous use temperature ( C ) | 1000 - 1800 |
| Electrical Properties(电气特性) | |
| Dielectric constant | 9.2 |
| Dielectric strength ( kV mm⁻¹ ) | 35.0 |
| Volume resistivity ( Ohmcm ) | >10¹³@25℃ |
| Physical Properties(物理性质) | |
| Density ( g cm⁻³ ) | 3.330 |
| Useful optical transmission range | 500 - 3000 nm |
| Mechanical Properties(机械性能) | |
| Hardness - Vickers ( kgf mm⁻² ) | 1100 |
| Shear strength ( MPa ) | 450 |
其他参数
公差
| 长度 | <100mm | ±1mm |
|---|---|---|
| ≥100mm | +2% / -1% | |
| 直径 | <100mm | ±1mm |
| ≥100mm | +2% / -1% | |
| 厚度 | ±10% | |
| 陶瓷 | ±20% | |
| 复合材料 | ±20% | |
| 聚合物 | ±20% | |
| 长度 1 | <100mm | ±1mm |
| ≥100mm | +2% / -1% | |
| 长度 2 | <100mm | ±1mm |
| ≥100mm | +2% / -1% |
