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Ivory Electrical Component Metallized Alumina Ceramics Insulator Anti corrosion

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Ivory Electrical Component Metallized Alumina Ceramics Insulator Anti corrosion

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Brand Name : Antaeus

Model Number : AD-T006

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 : Metallized Alumina Ceramic Tube / Metallized Electrical Ceramic Components

Material : Alumina (Aluminum Oxide, Al2O3)

Insulation Resistance : 1000M Ω(1000VDC)

High Light : Metallized Alumina Ceramic / Metallized Ceramic Tube / Electrical Ceramic Components

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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Electrical Component Metallized Alumina Ceramic / Metallization Ceramic Insulators

1. Description:

The metallization of alumina ceramics (92 pct purity) was performed by the molybdenum-manganese (MoMn) process in moist hydrogen and nitrogen atmosphere in the temperature range of 1250 °C to 1400 °C for 10 minutes with a dew point of 20 °C . The metallized alumina ceramics were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), evaluation of metallic coating adhesion by scratch test, and nanohardness measurement. XRD identified the phase composition of the metallized layer surface. The surface and cross-section microstructures of the metallized alumina ceramic specimens were observed by SEM. An EDX analysis across the metallized alumina specimens determined the elemental compositions at the selective regions. The scratch test results showed that the adhesion of the metallized layer on alumina ceramics enhanced with the increase in metallization temperature. Nanohardness measurements along the cross-sectional region of the metallized alumina ceramics exhibited the gradual change in the nanohardness values from the alumina substrate to the metallizing layer. Furthermore, it was observed that the nanohardness of interfacial and metallizing regions was enhanced slightly with increasing processing temperature.

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

16) High temperature resistance

17) A variety of specifications is available

18) Satisfy various technical requests

19) Lower medium spoilage

20) Stiffness texture

3. Material Features / Properties:

Composite (wt %) 99% 99.5% 99.8%
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 --- Printing --- Nickel Plating --- Assembing --- Brazing --- Inspecting --- Packing

Ivory Electrical Component Metallized Alumina Ceramics Insulator Anti corrosion

6. Production Facilities: Prilling Tower , Forming Machine , High Temperature Sintering Kiln

Ivory Electrical Component Metallized Alumina Ceramics Insulator Anti corrosion

7. Detection Devices:

Electric Performance Tester , Film Thickness Analyzer , Granulometer , Helium Mass Spectrometer Leak Detector , Universal Pull Force Meter

Ivory Electrical Component Metallized Alumina Ceramics Insulator Anti corrosion

8. Our advantages: Quality Assurance ; Price Competitive ; Factory Supply Directly ; Good Service

Ivory Electrical Component Metallized Alumina Ceramics Insulator Anti corrosion

9. Shipping and Package:

Ivory Electrical Component Metallized Alumina Ceramics Insulator Anti corrosion

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


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