| 製作範囲 |
| ● |
外径：～φ330mm |
| ● |
高さ：～500mm |
| ● |
厚さ：～1.0mm |
| ● |
その他PBNチューブ（寸法同上）、PBNプレート（厚さ4mmまで）もお請け致します。 |
General Properties
| Apparent Density |
g/cc |
2.15-2.19(crucible) |
2.10-2.15(sheet) |
| Gas permeability (He) |
cc/s |
<1 x 10e-10 |
| Micro hardness (Knoop) |
N/m㎡ |
691.88 (a-b plane) |
| Tensile strength |
N/m㎡ |
153.86 (parallel) |
|
| Bending strength |
N/m㎡ |
243.63 (parallel) |
197.76 (perpendicular) |
| Modulus of elasticity |
N/m㎡ |
235690 |
| Specific heat capacity |
cal/g.℃ |
0.371 (@ 200℃) |
0.442 (@ 900℃) |
| Thermal conductivity 200℃ |
W/cm.k |
0.6 (parallel) |
0.026 (perpendicular) |
| Thermal conductivity 900℃ |
W/cm.k |
0.4370 (parallel) |
0.028 (perpendicular) |
| Dielectric strength (RT) |
KV/mm |
56 |
| Volume resistivity |
Ω.cm |
3.11 x 10e13 |
Chemical Properties
| Element |
Content |
Element |
Content |
Element |
Content |
Element |
Content |
| F |
1.5x10e-6 |
Na |
1.7x10e-6 |
Mg |
5.8x10e-6 |
Al |
1.9x10e-5 |
| Si |
5.4x10e-5 |
P |
2.2x10e-5 |
S |
3.1x10e-5 |
Cl |
|
| K |
3.0x10e-6 |
Ca |
3.3x10e-7 |
Ti |
5.2x10e-6 |
V |
3.7x10e-6 |
| Cr |
1.5x10e-6 |
Mn |
4.4x10e-7 |
Fe |
7.7x10e-6 |
Co |
4.7x10e-8 |
| Ni |
2.1x10e-6 |
Cu |
7.4x10e-7 |
Zn |
1.1x10e-6 |
Ga |
2.8x10e-7 |
| Ge |
|
As |
3.4x10e-7 |
Se |
1.3x10e-7 |
Zr |
1.4x10e-6 |
| Nb |
|
Mo |
9.7x10e-7 |
In |
|
Sb |
8.7x10e-7 |
| W |
|
|
|
|
|
|
|
|
