





|
|
direct bonding sic | compact sic |
| w(f.c)% | ≤1 | ≤1 |
| w(fe2o3 | ≤0.2 | ≤0.2 |
| pressure resisting(mpa) | ≥229 | ≥300 |
| bending strength(mpa) | ≥50 | ≥60 |
| 1400℃ bending strength(mpa) | ≥60 | ≥70 |
| bulk density(g/cm3) | ≥2.71 | ≥3.4 |
| apparent porosity(%) | ≤15 | ≤1.5 |
| 1000℃ thermal conductive | ≥27 | ≥45 |