Insulated Alumina Ceramic Housing / Stud For 400A 24V HVDC Relay
Brand Name:Antaeus
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Model Number:AD-K021
Minimum Order Quantity:Negotiation
Delivery Time:15-45 days
Payment Terms:T/T or Negotiation
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Loudi Hunan China
Address:
Antaeus Industrial Park, Chuangye 1 Road, Loudi Economy and Technological Development Zone, Hunan, China
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Insulated Alumina Ceramic Housing / Stud For 400A 24V HVDC Relay
1. Description:
A comparison of the technological, economic, public policy and environmental factors of HVDC and HVAC interregional transmission. Considering the financial and technical aspect the DC long transmission line is better than AC long transmission line.
2. Feature Advantages:
1) High compressive strength.
2) High hardness and high density
3) Low thermal conductivity
4) Chemical inertness
5) Good wear resistance
6) High Fracture toughness
3. Material Features / Properties:
| Color | White or Ivory | White or Ivory | White or Ivory | |
| Density | g/cm 3 | 3.82 | 3.9 | 3.92 |
| Hardness | HRA | 83 | 85 | 85 |
| Flexural Strength | Mpa (psi*10 3 ) | 375 | 386 | 381 |
4. Technical Parameters:
| Technical Parameters of Ceramics | ||||||||
| Items | Test Conditions | Unit or Symbol | 99% AL2O3 | 95% AL2O3 | 90% AL2O3 | Zirconia | Steatite | Silicon Carbide |
| Volume Density | -- | g/cm3 | ≥3.70 | ≥3.62 | ≥3.40 | ≥5.90 | ≥2.60 | ≥3.08 |
| Tightness | -- | Pa·m³/s | ≤1.0×10-11 | ≤1.0×10-11 | ≤1.0×10-11 | - | - | - |
| Liquid Permeability | -- | -- | Pass | Pass | Pass | Pass | - | |
| Flexural Strength | - | MPa | ≥300 | ≥280 | ≥230 | ≥1100 | ≥120 | ≥400 |
| Elastic Modulus | - | GPa | - | ≥280 | ≥250 | ≥220 | - | 400 |
| Poisson Ratio | - | - | - | 0.20～0.25 | 0.20～0.25 | - | - | - |
| Thermal Shock Resistance | 800℃( Room Temperature) Cycle: 10 times | Pass | Pass | Pass | - | - | - | |
| Coefficient of Linear Expansion | 20℃～100℃ | ×10-6 K-1 | - | - | - | ≤8 | - | |
| 20℃～500℃ | ×10-6 K-1 | 6.5～7.5 | 6.5～7.5 | 6.5～7.5 | 6.5～11.2 | - | - | |
| 20℃～800℃ | ×10-6 K-1 | 6.5～8.0 | 6.5～8.0 | 6.3～7.3 | - | 4 | ||
| 20℃～1200℃ | ×10-6 K-1 | - | 7.0～8.5 | - | - | - | - | |
| Coefficient of Thermal Conductivity | 20℃ | W/(m·k) | - | - | - | - | - | 90～110 |
| 1000℃ | ||||||||
| Dielectric Constant | 1MHz 20℃ | - | 9.0～10.5 | 9.0～10 | 9.0～10 | - | ≤7.5 | - |
| 1MHz 50℃ | - | - | 9.0～10 | - | - | - | - | |
| 10GHz 20℃ | - | 9.0～10.5 | 9.0～10 | 9.0～10 | - | - | - | |
| Volume Resistivity | 100℃ | Ω·cm | ≥1.0×1013 | ≥1.0×1013 | ≥1.0×1013 | - | ≥1.0×1012 | - |
| 300℃ | ≥1.0×1013 | ≥1.0×1010 | ≥1.0×1013 | - | - | - | ||
| 500℃ | ≥1.0×109 | ≥1.0×108 | -- | - | - | - | ||
| Disruptive Strength | D.C | kV/mm | ≥17 | ≥15 | ≥15 | - | ≥20 | - |
| Chemical Durability | 1:9HCl | mg/c㎡ | ≤0.7 | ≤7.0 | - | - | - | - |
| 10%NaOH | mg/c㎡ | ≤0.1 | ≤0.2 | - | -- | - | - | |
| Grain Size | - | μm | - | 3~12 | - | - | - | - |
5. Process Flows:
Formulating --- Granulating --- Forming --- Sintering --- Grinding --- Printing --- Nickel Plating --- Assembing --- Brazing --- Inspecting --- Packing
6. Application Fields:
Widely apply for new energy vehicles, charging piles, solar power generation, energy storage and power storage system, electric vehicle power system and so on.
7. Production Facilities: Prilling Tower , Forming Machine , High Temperature Sintering Kiln
8. Detection Devices:
Electric Performance Tester , Film Thickness Analyzer , Granulometer , Helium Mass Spectrometer Leak Detector , Universal Pull Force Meter
9. Notes:Above information only for reference and please contact with us for more details freely when you have any inquiry!
Insulated Alumina Ceramic Housing / Stud For 400A 24V HVDC Relay
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