材料 >> 陶瓷
红宝石,球体, AlO CrO SiO, 1mm 直径
半岛bd体育手机客户端 介绍
订货号 |
包装规格 |
268-198-04 |
10 Piece |
303-230-89 |
20 Piece |
197-178-36 |
50 Piece |
858-129-03 |
100 Piece |
半岛bd体育手机客户端 参数
Diameter[直径] |
1mm |
Quantity[数量] |
10 Piece - 100 Piece |
Sphericity[球面] |
0.625μm |
Surface Finish[表面光洁度] |
Polished |
Type[类型] |
Precision Sphere |
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(电气特性) |
Dielectric constant |
7.5 - 11.5 |
Dielectric strength ( kV mm?? ) |
15.0 - 50.0 |
Volume resistivity ( Ohmcm ) |
10??@25℃ |
Chemical Resistance(耐化学性) |
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 @20-1000℃ |
Melting point ( C ) |
2050.00 |
Specific heat ( J K?? kg?? ) |
750.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
35.00 - 40.00 @20℃ |
Upper continuous use temperature ( C ) |
1800 - 1950 |
其他参数
公差
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