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EV HV Relay Metallized Aluminum Oxide Ceramics 95% Technical Ceramic Parts

Categories Metallized Alumina Ceramics
Brand Name: Antaeus
Model Number: AD-A003
Certification: IATF16949,ISO9001,ISO14001
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 Metallized Alumina Ceramic / Ceramic DC Contactor
Material: Alumina (Aluminum Oxide, Al2O3)
Insulation Resistance: 1000M Ω(1000VDC)
High Light: Relay Metallized Ceramic / Ceramic Contactor / Ceramic Relay
Dielectric Strength: 3000VAC 1 min
Working Temperature: -40℃-125℃
Operate Time: ≤30ms
Release Time: ≤10ms
Shock Resistance Functional: 196m/s² (20G above)
Shock Resistance Destructive: 490m/s²(50G above)
Humidity: 5~85%RH
Virbration Resistance: 10-200HZ,49m/s²
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    EV HV Relay Metallized Aluminum Oxide Ceramics 95% Technical Ceramic Parts

    Red Rectangle HV EV Relay Metallized Ceramic Parts / DC Ceramic Contactor


    1. Description:

    The relay metallized alumina ceramic / ceramic DC contactor is a nickel plating of the ceramic which is made of high-pure toughened alumina ceramic powder and formed through an advanced dry pressure forming process or injection moulding.And then All are customized by different designs.

    Because ceramics employ many different types of manufacturing processes, we want to help you understand them, the following is a basic outline. It will give you a good idea of what it takes to manufacture ceramic parts. It is important to note that all ceramics start as granular powder made up of a base material such as Alumina or Zirconia, mixed with other stabilizers and binders that give each "ceramic body" its own unique characteristics.

    Powder Preparation Understanding how raw powder contributes to the final properties of fired ceramics is key to providing components that meet the challenges of your application.

    Forming There are several basic forming methods such as Isostatic Pressing, Extrusion, Injection Molding, Mechanical Pressing.

    Green Machining The machining of a ceramic in the unfired state is called green machining. Green machining of ceramics is done whenever possible since the machining of ceramics after firing is very costly.

    Firing In order for ceramic to be hard and dense, they must be "sintered", or fired to high temperatures for prolonged periods of time in gas or electric kilns.

    Coating / Glazing One of the reasons that parts are glazed is to make it easy to remove unwanted residue. For instance, spark plugs are glazed to reduce areas of potential arcing in high voltage environments.

    Grinding & Cleaning Grinding and cleaning are part of the after firing operations, please find detailed descriptions for each process at the link above.

    Metalizing & Plating We produce thick film metalization inks that utilize a Moly-Manganese (MoMn) refractory formulation designed for oxide ceramic bodies to provide one of the industry's strongest bond strengths.


    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


    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. Application Fields:

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


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