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NE103 alumina ceramic sealed ring
1. Description:
NE103 alumina ceramic sealed ring produced by high purity complex alumina and nano metallization. it is plating nickle on surface, the main ring is made of aluminum oxide. it is used in power battery as one sealed components.
2.Key Words:
Manufacture samples , open mould ,aluminum oxide,thick-film nickel plating technology,copper and alloys,great limberness,Good corrosion resistance,High intensity,Good high-temperature resistance performance,High purity.
3. Technical Parameters:
Product Parameters | ||
Physical Property | Material | 95% Alumina |
Production Process | Dry Pressing and Brazing | |
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 |