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| Categories | Alumina Ceramic Components |
|---|---|
| Brand Name: | Antaeus |
| Model Number: | AD-A020 |
| Certification: | / |
| Place of Origin: | Hunan,China |
| MOQ: | Negotiation |
| Price: | Negotiation |
| Payment Terms: | T/T or Negotiation |
| Supply Ability: | Full Supply |
| Delivery Time: | 15-45 days |
| Packaging Details: | Inner vacuum packaging, outside carton. |
| 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 |
| Company Info. |
| Loudi Antaeus Electronic Ceramic Co.,Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Alumina ceramic components / relay ceramic assemblies / ceramic - metal brazed contactor
1. Description:
We have proposed an optical method that can be applied to in-process or in situ measurement of the microsurface profile. The present method is based on optically performed spectral analysis and the phase retrieval technique. Spectral information of a surface profile is obtained by measuring the Fraunhofer diffraction intensity. The phase retrieval technique is used to reconstruct the surface profile from the measured spectrum. We have developed an instrument on the basis of the general principles of the present method, and measured the surface of a reference standard having rectangular pockets 44 nm deep at intervals of 10 μm.
2. Feature Advantages:
1) Impact resistance
2) High precision
3) High stability
4) Good advanced ceramic materials
5) High welding sealing performance
6) High hardness and high density
7) Low thermal conductivity
8) Chemical inertness
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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