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550Mpa Alumina Ceramic Components Ceramic To Metal Brazing Assemblies ISO14001
| Place of Origin | Hunan,China |
|---|---|
| Brand Name | Antaeus |
| Certification | / |
| Model Number | AD-A036 |
| Minimum Order Quantity | Negotiation |
| Price | Negotiation |
| Packaging Details | Inner vacuum packaging, outside carton. |
| Delivery Time | 15-45 days |
| Payment Terms | T/T or Negotiation |
| Supply Ability | Full Supply |
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xProduct Details
| Chemical Ingredients | Al2O3 | Max. Use Temp. | 1650℃ |
|---|---|---|---|
| Bulk Density | 3.6g/cm3-3.9g/cm3 | Water Absorption | 0% |
| ROHS Hardness | ≥85 | Flexural Strength | 358(52) - 550 Mpa(psix10^3) |
| Compressive Strength | 2068(300) - 2600(377) Mpa(psix10^3) | Coefficient Of Thermal Expansion | 7.6 - 8.2 / 1X10^-6/℃ |
| Coefficient Of Thermal Conductivity | 16-30.4 / W/m.K | Thermal Shock Resistance | 250℃ |
| Dielectricity Constant | 9-9.7 / 1MHz.25℃ | Dielectric Strength | 8.3(210) - 8.7(220) / Ac-kV/mm(ac V/mil) |
| Volume Resistivity | >10^13 Ohm-cm | ||
| Highlight | 550Mpa Alumina Ceramic Components,ISO14001 Alumina Ceramic Components,ISO14001 ceramic to metal assemblies |
||
Product Description
Alumina ceramic components / relay ceramic assemblies / ceramic - metal brazed contactor
1. Description:
There were two key challenges. The first was to create a design and a manufacturing process that would produce a robust, high-integrity vacuum seal (leak rate 10-8 mbar l/s) across a large component that is 200 mm in diameter. The second was to solve the problem of the difference in thermal co-efficient between the alumina ceramics of the tube and its low-carbon steel flanges. Furthermore, a very tight specification was set for the physical dimensions and cleanliness of the components because of the nature of the project.
2. Feature Advantages:
1) High elasticity modulus
2) Chemical inertness
3) High Fracture toughness
4) High temperature resistance
5) Satisfy various technical requests
6) Stiffness texture
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 --- Inspecting --- Packing
6. Application Fields:
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. Order Flow Steps as belows: Inquiry ---Quotation --- Place an order --- Production --- Delivery
10. Our advantages: Quality Assurance ; Price Competitive ; Factory Supply Directly ; Good Service
11. Shipping and Package:
12. Our aimed market:
13. Guiding questions for material selection:
In order to select the appropriate material for your application, there are several questions that you should consider.
1) Are the mechanical properties important?
2) Will the part be exposed to wear/friction/impacts?
3) How many pieces are you looking to have made in your first batch?
4) What type of atmosphere will the part be operating in; inert or oxidizing?
5) What is the maximum operating temperature of the component?
6) Will the component experience any thermal shock?
7) Is electrical insulation important?
8) Is thermal conductivity important?
9) How important are tolerances and surface finish?
Notes:Above information only for reference and please contact with us for more details freely when you have any inquiry!
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