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Al2O3 High Temperature Ceramic Tube Alumina Oxide Ceramics For Electrical Components

Categories Metallized Alumina Ceramics
Brand Name: Antaeus
Model Number: AD-T001
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.
Product Name: Relay Ceramic Housing / Ceramic Relay Housing
Material: Alumina (Aluminum Oxide, Al2O3)
Insulation Resistance: 1000M Ω(1000VDC)
High Light: Ceramic Relay Housing / / Ceramic Relay
Thermal Shock Resistance room temperature to 850C: will not burst or leak after five operations
Working Temperature: -40℃-125℃
Operate Time: ≤30ms
Release Time: ≤10ms
Shock Resistance Functional: 196m/s² (20G above)
Shock Resistance Destructive: 490m/s²(50G above)
Helium Leak Rate: < 10-9 cc/sec
Tensile Strength, Kovar Cup Method: > 20,000 psi, avg. (138N/mm2)
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Al2O3 High Temperature Ceramic Tube Alumina Oxide Ceramics For Electrical Components

Metallized Alumina Ceramic / Metallized Ceramics Tubes for Electrical Components


1. Description:

Antaeus supplies custom Metalized Alumina Ceramics, These metallized ceramics are ideal for use within high vacuum, high voltage and high pressure applications.We provide metallized ceramic for power grid tubes, vacuum interrupters, RF windows, metallized rings and components for insulators and sensors.Alumina is one of the most commonly used engineering ceramic materials, offering high hardness and wear resistance with excellent electrical insulation properties. Ortech high-purity alumina 94-96% ceramics (Al2O3) are used as a ceramic base material. Other ceramic base materials can be use on request.

2. Feature Advantages:

1) High elasticity modulus

2) High compressive strength.

3) Anti corrosion

4) Abrasion resistance

5) Impact resistance

6) High precision

7) High stability

8) Good advanced ceramic materials

9) High welding sealing performance

10) High hardness and high density

11) Low thermal conductivity

12) Chemical inertness

13) Good wear resistance

14) High Fracture toughness

15) Good insulation performance


3. Material Features / Properties:

Composite(wt %)99%99.5%99.8%
ColorWhite or IvoryWhite or IvoryWhite or Ivory
Densityg/cm 33.823.93.92
HardnessHRA838585
Flexural StrengthMpa (psi*10 3 )375386381

4. Technical Parameters:

Technical Parameters of Ceramics
ItemsTest ConditionsUnit or Symbol99% AL2O395% AL2O390% AL2O3ZirconiaSteatiteSilicon 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----PassPassPassPass-
Flexural Strength-MPa≥300≥280≥230≥1100≥120≥400
Elastic Modulus-GPa-≥280≥250≥220-400
Poisson Ratio-  --0.20~0.250.20~0.25---
Thermal Shock Resistance800℃( Room Temperature) Cycle: 10 timesPassPassPass---
Coefficient of Linear Expansion20℃~100℃×10-6 K-1---≤8-
20℃~500℃×10-6 K-16.5~7.56.5~7.56.5~7.56.5~11.2--
20℃~800℃×10-6 K-16.5~8.06.5~8.06.3~7.3-4
20℃~1200℃×10-6 K-1-7.0~8.5----
Coefficient of Thermal Conductivity20℃W/(m·k)-----90~110
1000℃
Dielectric Constant1MHz 20℃-9.0~10.59.0~109.0~10-≤7.5-
1MHz 50℃--9.0~10----
10GHz 20℃-9.0~10.59.0~109.0~10---
Volume Resistivity100℃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 StrengthD.CkV/mm≥17≥15≥15-≥20-
Chemical Durability1:9HClmg/c㎡≤0.7≤7.0----
10%NaOHmg/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!

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