All foils are mounted on a permanent support which cannot be removed without damaging the foil.
订货号 |
包装规格 |
Sizes |
416-136-90 |
25 mm x 25 mm |
530-228-33 |
50 mm x 50 mm |
半岛bd体育手机客户端 参数
Purity[纯度] |
98.7% |
Support[载体] |
0.125 mm Permanent Polyester |
Thickness[厚度] |
0.007mm |
Typical Analysis(典型分析) |
Al |
40 PPM |
Ca |
100 PPM |
Cr |
4 PPM |
Cu |
8 PPM |
Fe |
40 PPM |
Mg |
100 PPM |
Pb |
1.25 Percent |
Si |
50 PPM |
Mechanical Properties(机械性能) |
Bulk modulus ( GPa ) ( Polycrystalline ) |
118.0 |
Hardness - Mohs ( Polycrystalline ) |
5.00 |
Material condition |
Polycrystalline |
Poisson's ratio ( Polycrystalline ) |
0.240 |
Tensile modulus ( GPa ) ( Polycrystalline ) |
191.00 |
Atomic Properties(原子属性) |
Atomic number |
25 |
Atomic weight ( amu ) |
54.93800 |
Crystal structure |
Body Centred Cubic |
Electronic structure |
Ar3d?4s? |
Ionisation potential ( No./eV ) |
2 / 15.64 |
Ionisation potential ( No./eV ) |
3 / 33.67 |
Ionisation potential ( No./eV ) |
4 / 51.2 |
Ionisation potential ( No./eV ) |
6 / 95 |
Ionisation potential ( No./eV ) |
5 / 72.4 |
Ionisation potential ( No./eV ) |
1 / 7.43 |
Photo-electric work function ( eV ) |
3.80 |
Thermal neutron absorption cross-section ( Barns ) |
13.3000 |
Valences shown |
1 , 2, 3, 4, 6, 7 |
Physical Properties(物理性质) |
Boiling point ( C ) |
1962 |
Density ( g cm?? ) |
7.400 @20℃ |
Thermal Properties(热性能) |
Coefficient of thermal expansion ( x10?? K?? ) |
23.000 @0-100℃ |
Latent heat of evaporation ( J g?? ) |
4207 |
Latent heat of fusion ( J g?? ) |
267.00 |
Melting point ( C ) |
1244.00 |
Specific heat ( J K?? kg?? ) |
477.0 @25℃ |
Thermal conductivity ( W m?? K?? ) |
7.81 @0-100℃ |
Electrical Properties(电气特性) |
Electrical resistivity ( μOhmcm ) |
160@20℃ |
其他参数
公差
长度 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
直径 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
厚度 |
<0.01mm |
±25% |
≤0.05mm |
±15% |
>0.05mm |
±10% |
长度 1 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |
长度 2 |
<100mm |
±1mm |
≥100mm |
+2% / -1% |