95% Relay Metallized Alumina Ceramic Soldering Assembly For Electric Car
95% Relay Ceramic Metallized Alumina Ceramic Soldering Assembly For Electric Car
1. Description:
Advanced technical ceramics are frequently being used to replace metals, polymers, and refractory materials in a wide variety of applications due to their notable high temperature capability, hardness, and electrical properties. By altering the chemical formulation or manufacturing processes, their properties can be tailored to meet a large range of demanding conditions. When used correctly, ceramics have the ability to increase product lifespan, increase efficiency, reduce overall maintenance costs, and improve product performance.
2. Feature Advantages:
1) High elasticity modulus
2) High stability
3) High welding sealing performance
4) High hardness and high density
5) Low thermal conductivity
6) Satisfy various technical requests
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. Production Facilities: Prilling Tower , Forming Machine , High Temperature Sintering Kiln
7. Detection Devices:
Electric Performance Tester , Film Thickness Analyzer , Granulometer , Helium Mass Spectrometer Leak Detector , Universal Pull Force Meter
8. Our advantages: Quality Assurance ; Price Competitive ; Factory Supply Directly ; Good Service
9. Shipping and Package:
Notes:Above information only for reference and please contact with us for more details freely when you have any inquiry!
Loudi Antaeus Electronic Ceramic Co.,Ltd
Factory address:Loudi Economy and Technological Development Zone,Hunan,China.
Contact person:Alice Deng
Tel:+8615073852630 (wechat)
Mail: alice@andidz.com
Skype: alicedeng0629
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.