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Products |
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The performance sheet in thulium and ceramic material |
Capacity |
Sign |
B4C |
99Al2O3 |
ZTA-20% |
ZrO2 |
Si3N4 |
SiC |
Density |
g/cm 3 |
2.4~2.51 |
3.7~3.99 |
5.5 |
6.0 |
3.2 |
3.2 |
HV Hardness |
Kg/mm |
2700~3200 |
2300~2700 |
1470~1500 |
1300~1500 |
1700 ~2700 |
2350~2450 |
Flexural Strength |
MPa |
350~400 |
300~400 |
700 |
1000~1500 |
900 |
450~800 |
Compressive strength |
MPa |
1800~2500 |
2800~3500 |
2000 |
2000 |
3500 |
2250~3000 |
Fracture Toughness |
Mpa·m -3/2 |
6.0 |
2~4 |
5~6 |
11.0 |
7.0 |
4~5 |
Weibull modulus |
GPa |
|
> 7 |
> 10 |
> 15 |
> 15 |
> 6 |
Elastic modulus |
GPa |
|
407 |
260 |
210 |
320 |
410 |
Poisson's ratio |
|
|
0.2 |
0.23 |
0.30 |
0.26 |
0.16 |
Thermal expansion coefficient |
× 10 -6 / °C |
4.5 |
6.5~8.6 |
9.4 |
10.5 |
3.2 |
4.3 |
Thermal shock |
Δ T °C |
|
200 |
470 |
250 |
500 |
350 |
Resistance |
Ω /cm 2 |
0.3 ~ 0.8 |
> 1014 ~1016 |
> 10 10 |
> 10 10 |
> 10 14 |
100 ~2 |
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| Xing Lun Bearings Group Limited |
| Ningbo XLBearings
Limited |
Tel: +86-574-87503999
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| Fax: +86-574-87510260 |
| E-mail:
info@xlb.cc |
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