High strength ceramics
The category of ceramics with high strength includes materials with increased strength, hardness and toughness to destruction.
Armor ceramics include:
-
Silicon carbide (SiC);
-
Boron Carbide (B4C);
-
Aluminum oxide (Al2O3).
Specifications
|
Properties |
Conditions |
Units of measurement |
Materials | ||
|
Al2O3 99% |
SiC |
B4C |
|||
|
Colour |
|
|
white |
black
|
black |
|
Bulk density |
|
г/см3 |
≥ 3,85 |
≥ 3,12 |
≥ 2,50 |
|
Flexural strength |
|
МПа |
≥ 340 |
≥ 400 |
450 |
|
Modulus of elasticity |
|
ГПа |
|
415 |
|
|
Vickers Hardness (translation) |
HV10 |
ГПа |
14,7 |
25,9 |
30,4 |
|
Rockwell Hardness |
45N |
|
≥ 86 |
≥ 93 |
≥ 96 |
|
Fracture toughness |
|
МПа∙м1/2 |
2,5 |
≥ 4,5 |
4,0 |
More detailed tables of material properties can be found in the relevant sections.
Application area
- the parts affected by the impact load.