红宝?? AlO CrO SiO, 1mm厙/div>
产品介绍
Cr?O?: Content: 0.9%
| 订货叶/strong> |
包装规格 |
| Sizes |
| 176-773-89 |
20mm x 20mm |
产品参数
| Thickness[厚度] |
1mm |
| Type[类型] |
Single Crystal |
| Mechanical Properties(机械性能) |
| Hardness - Knoop ( kgf mm?? ) |
2000 |
| Hardness - Vickers ( kgf mm?? ) |
2500 - 3000 |
| Tensile modulus ( GPa ) |
350.00 - 390.00 |
| Tensile strength ( MPa ) |
250.00 - 400.00 |
| Physical Properties(物理性质) |
| Apparent porosity ( % ) |
0.00 |
| Density ( g cm?? ) |
3.980 |
| Useful optical transmission range |
150 - 5500 nm |
| Pultrusion(挤拉成型) |
| Compressive strength ( MPa ) |
2100 |
| Electrical Properties(电气特? |
| Dielectric constant |
7.5 - 11.5 |
| Dielectric strength ( kV mm?? ) |
15.0 - 50.0 |
| Volume resistivity ( Ohmcm ) |
10??@25ℂ/td> |
| Chemical Resistance(耐化学? |
| Acids - concentrated |
Good |
| Acids - dilute |
Good |
| Alkalis |
Good |
| Halogens |
Good |
| Metals |
Good |
| Thermal Properties(热性能) |
| Coefficient of thermal expansion ( x10?? K?? ) |
5.800 @20-1000ℂ/td> |
| Melting point ( C ) |
2050.00 |
| Specific heat ( J K?? kg?? ) |
750.0 @25ℂ/td> |
| Thermal conductivity ( W m?? K?? ) |
35.00 - 40.00 @20ℂ/td> |
| Upper continuous use temperature ( C ) |
1800 - 1950 |
其他参数
公差
| 长度 |
<100mm |
1mm |
| ?00mm |
+2% / -1% |
| 直径 |
<100mm |
1mm |
| ?00mm |
+2% / -1% |
| 厚度 |
|
10% |
| 陶瓷 |
20% |
| 复合材料 |
20% |
| 聚合?/td> |
20% |
| 长度 1 |
<100mm |
1mm |
| ?00mm |
+2% / -1% |
| 长度 2 |
<100mm |
1mm |
| ?00mm |
+2% / -1% |
|
|
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