Silicon nitride ceramic parts
STANDS AS A BEACON OF INNOVATION AND EXCELLENCE IN STRUCTURAL CERAMIC MATERIALS
Clasificación:
Ceramic structural parts
Palabra clave:
xuecheng ceramics
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Silicon nitride is an important structural ceramic material with high hardness, inherent lubricity, wear resistance, and is an atomic crystal. It is resistant to oxidation at high temperatures. It can also resist thermal shocks and will not break even if it is heated to over 1000°C in the air, cooled rapidly, and then heated rapidly. It is precisely because of the excellent properties of silicon nitride ceramics that people often use it to manufacture mechanical components such as bearings, turbine blades, mechanical seal rings, and permanent molds.
| Items | Unit | 99%A1203 | ZrO2 | Si3N4 | Sic |
| color | / | light yellow | white | black | balck |
| Water absorption | % | 0 | 0 | 0 | 0 |
| Density | g/cm3 | 3.9 | 6 | 3.2 | 3.2 |
| Flexural Strength | Mpa | 340 | 1000 | 1000 | / |
| Compressive Stragth | Mpa | 3600 | 3000 | 3600 | 2000 |
| Modulus of Elasticity | Gpa | 380 | 200 | 300 | 410 |
| Impact Resistance | Mpa.m1/2 | 5.1 | 6 | 7 | 4 |
| Vickers Hardness | HV | 1650 | 1200 | 1600 | 2000 |
| Thermal Conductivity | W/mk | 27 | ＜2 | 30 | 70 |
| Highest Application Temperature | ℃ | 1750 | 1050 | 1300 | 1300 |
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