Performance For PBN Ceramic Part
Item |
Unit |
|
|
Apparent Density |
g/cm3 |
2.15-2.19 |
|
Gas permeability(He) |
cm3/s |
<1*10-10 |
|
Micro hardness(Knoop) |
N/mm2 |
691.88(a-b plane) |
|
Tensile strength |
N/mm2 |
153.86(parallel) |
|
Bending strength |
N/mm2 |
243.63(parallel) |
197.76(parallel) |
Modulus of elasticity |
N/mm2 |
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 |
Cm |
3.11*1011 |
APPLICATION
Used to synthesize single semiconductor crystal and III-V compounds by VGF or VB method