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Al2O3 Aluminium Oxide Ceramics for EV HVDC Contactor

Categories Ceramic Housing
Brand Name: Antaeus
Model Number: AD-K020
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
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Al2O3 Aluminium Oxide Ceramics for EV HVDC Contactor

EV HVDC Contactor Advanced Technical Ceramics Al2O3 Aluminium Oxide Ceramics


1. Description:

HVDC is a method of transmitting electrical energy across long or extremely long distances using an overhead transmission line or an underground cable or submarine cables.It will be economically eye-catching over traditional AC transmission lines.


2. Feature Advantages:

1) Good advanced ceramic materials

2) High welding sealing performance

3) High hardness and high density

4) Low thermal conductivity

5) Chemical inertness

6) Lower medium spoilage


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 --- 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:


Notes:Above information only for reference and please contact with us for more details freely when you have any inquiry!


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