蓝宝石,球体, AlO 99.9, 10mm 直径
关注：2037
品牌：Goodfellow
产地：英国
| 订货号 | 包装规格 |
| 405-329-14 | 1 Piece |
| 038-344-13 | 2 Piece |
| 204-533-30 | 5 Piece |
| 815-289-81 | 10 Piece |
产品参数
| Diameter[直径] | 10mm |
| Quantity[数量] | 1 Piece - 10 Piece |
| Sphericity[球面] | 0.625μm |
| Surface Finish[表面光洁度] | Polished |
| Type[类型] | Precision Sphere |
| Pultrusion(挤拉成型) | |
| Compressive strength ( MPa ) | 2100 |
| Mechanical Properties(机械性能) | |
| Hardness - Knoop ( kgf mm⁻² ) | 2000 |
| Hardness - Vickers ( kgf mm⁻² ) | 1600 - 1800 |
| Tensile modulus ( GPa ) | 350.00 - 390.00 |
| Tensile strength ( MPa ) | 250.00 - 400.00 |
| Thermal Properties(热性能) | |
| Coefficient of thermal expansion ( x10⁻⁶ K⁻¹ ) | 5.800 @20-1000℃ |
| Melting point ( C ) | 2050.00 |
| Specific heat ( J K⁻¹ kg⁻¹ ) | 750.0 @25℃ |
| Thermal conductivity ( W m⁻¹ K⁻¹ ) | 35.00 - 40.00 @20℃ |
| Upper continuous use temperature ( C ) | 1800 - 1950 |
| Chemical Resistance(耐化学性) | |
| Acids - concentrated | Good |
| Acids - dilute | Good |
| Alkalis | Good |
| Halogens | Good |
| Metals | Good |
| Physical Properties(物理性质) | |
| Apparent porosity ( % ) | 0.00 |
| Density ( g cm⁻³ ) | 3.985 |
| Refractive index | 1.710-1.790 |
| Useful optical transmission range | 200 - 5500 nm |
| Electrical Properties(电气特性) | |
| Dielectric constant | 7.5 - 11.5 |
| Dielectric strength ( kV mm⁻¹ ) | 15.0 - 50.0 |
| Volume resistivity ( Ohmcm ) | >10¹⁴@25℃ |
其他参数
公差
| 直径 | ±5% |
|---|
产品发布日期：2025.07.01
Goodfellow（顾特服）