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Metallized Precision Alumina Ceramic Insulator Components For Electronics

  • Metallized Precision Alumina Ceramic Insulator Components For Electronics
  • Metallized Precision Alumina Ceramic Insulator Components For Electronics
Place of Origin Hunan,China
Brand Name Antaeus
Certification /
Model Number AD-T008
Minimum Order Quantity Negotiation
Price Negotiation
Packaging Details Inner vacuum packaging, outside carton.
Delivery Time 15-45 days
Payment Terms T/T or Negotiation
Supply Ability Full Supply

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Whatsapp:0086 18588475571

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Product Details
Product Name Metallized Alumina Ceramic Tube / Metallized Electrical Ceramic Components Material Alumina (Aluminum Oxide, Al2O3)
Insulation Resistance 1000M Ω（1000VDC) 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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Metallized Alumina Ceramic Insulator

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precision Alumina Ceramic Insulator

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Metallized ceramic electronic components
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Product Description

Metallized Alumina Ceramic Insulators / Metallized Ceramic for Electronics

 

1. Description:

Ceramic-to-metal bonding has been one of the biggest challenges for manufacturers over the years because of the inherent differences in the thermal expansion coefficients of the two types of materials. By far the most widely preferred and effective method for creating a leak-tight, robust joint between ceramic and metal is by brazing. This starts with the chemical bonding metallization of the ceramic to create a wettable surface on which braze alloy will flow between the two components during the brazing process. 

 

 

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

Metallized Precision Alumina Ceramic Insulator Components For Electronics 0

 

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

Metallized Precision Alumina Ceramic Insulator Components For Electronics 1

 

7. Detection Devices:

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

Metallized Precision Alumina Ceramic Insulator Components For Electronics 2

 

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

Metallized Precision Alumina Ceramic Insulator Components For Electronics 3

 

9. Shipping and Package:

Metallized Precision Alumina Ceramic Insulator Components For Electronics 4

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

Tags:

3.9g/Cm3 Metallized Alumina Ceramics

High Voltage Relay Metallized Alumina Ceramics

3.9g/Cm3 machining ceramic parts