Oxidation Resistant 95% Alumina Ceramic Parts
CMC 04 metal ceramic parts
1.Product Features
Vacuum packaging metallized ceramics is to firmly adhere a layer of metal film on the surface of the ceramic to realize the combination between the ceramic and the metal, so that it has both the characteristics of ceramics and the properties of metal. There are various ceramic metallization processes such as molybdenum-manganese sintering method, gold electroplating, copper electroplating, tin electroplating, nickel electroplating, vacuum plating and so on.
2.Key Words:
Fine ceramic powder, ceramic process, ceramic parts with high hardness, high melting point, wear resistance, corrosion resistance and other properties, oxidation resistance, good optical, acoustic, electromagnetic, Sensitivity and other properties are far superior.
3.Parameters:
| Product Parameters | ||
| Physical Property | Material | 95% Alumina |
| Production Process | Dry Pressing | |
| Product Dimension | Per customers' drawing | |
| Density (g/cm3) | 3.70-3.75g/cm3 | |
| Water Absorption | 0% | |
| Mechanical Performance | Flexural Strength (Mpa) | 310Mpa |
| Modulus of Elasticity (Gpa) | 310Gpa | |
| Hardness (Gpa) | 12.9Gpa | |
| Poisson Ratio | 0.23 | |
| Thermal Character | Linear Thermal Expansion Coefficient | 7.2 |
| Heat Conductivity (W/mk) | 23 | |
| Electrical Property | Dielectric Constant | 9.2 |
| Dielectric Loss Tangent (x10-4) | 8 | |
| Insulation Strength (x106V/M) | 15 | |
| Metalized Ceramic Performance | Air Tightness (Pa·m3/s) | ≤10-8 |
| Bulk Resistivity (Ω·cm) | ≥1010 (20°C), ≥106 (300°C) | |
| Bonding Strength (Mpa) | ≥120Mpa | |
| Metallization Thickness (μm) | ≥20μm | |
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