These targets are normally available for immediate shipment from stock. Other sizes are available to special order.
订货号 |
包装规格 |
Disc |
809-691-25 |
25mm |
632-937-22 |
50mm |
628-903-97 |
75mm |
572-441-69 |
76mm |
037-291-57 |
100mm |
半岛bd体育手机客户端 参数
Diameter[直径] |
25mm - 100mm |
Purity[纯度] |
99.997% |
Thickness[厚度] |
3mm |
Typical Analysis(典型分析) |
Al |
0.2 PPM |
B |
1 PPM |
Ca |
0.05 PPM |
Cu |
0.01 PPM |
Fe |
0.2 PPM |
Mg |
0.05 PPM |
Na |
0.02 PPM |
Si |
1 PPM |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
0.600 - 4.300 @0-100℃ |
Melting point ( C ) |
3650.00 |
Specific heat ( J K?? kg?? ) |
712.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
80.00 - 240.00 @0-100℃ |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Diamond ) |
542.0 |
Bulk modulus ( GPa ) ( Graphite ) |
33.0 |
Hardness - Mohs ( Diamond ) |
10.00 |
Hardness - Mohs ( Graphite ) |
0.50 - 1.00 |
Material condition |
Diamond |
Material condition |
Graphite |
Tensile modulus ( GPa ) ( Graphite ) |
4.80 |
Atomic Properties(原子属性) |
Atomic number |
6 |
Atomic weight ( amu ) |
12.01100 |
Crystal structure |
Hexagonal/Diamond |
Electronic structure |
He2s?2p? |
Ionisation potential ( No./eV ) |
6 / 490 |
Ionisation potential ( No./eV ) |
4 / 64.5 |
Ionisation potential ( No./eV ) |
1 / 11.26 |
Ionisation potential ( No./eV ) |
3 / 47.9 |
Ionisation potential ( No./eV ) |
2 / 24.38 |
Ionisation potential ( No./eV ) |
5 / 392 |
Natural isotope distribution ( Mass No./% ) |
12 / 98.89 |
Natural isotope distribution ( Mass No./% ) |
13 / 1.11 |
Photo-electric work function ( eV ) |
4.80 |
Thermal neutron absorption cross-section ( Barns ) |
0.0034 |
Valences shown |
2 , 3, 4 |
Physical Properties(物理性质) |
Boiling point ( C ) |
5000 |
Density ( g cm?? ) |
2.250 @20℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
1375@0℃ |
Thermal emf against Pt (cold 0C - hot 100C) ( mV ) |
0.70 |
其他参数
公差