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Loudi Antaeus Electronic Ceramic Co.,Ltd.
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Custom 95 Metallized Alumina Ceramics Rings AL2O3

Custom 95 Metallized Alumina Ceramics Rings AL2O3

Brand Name Antaeus
Model Number AD-T003
Certification /
Place of Origin Hunan,China
Minimum Order Quantity 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)
Detailed Product Description

Custom Metallized Alumina Ceramic Rings / Electrical Metallized Ceramic Parts

 

1. Description:

 

The fired coating is subsequently plated with a 0.001–0.003 in. (25.4–76.2 microns) layer of nickel. The nickel plating is sinter-fired at 850°–950°C in a dry hydrogen atmosphere leaving a finished metallic surface that can be readily brazed using standard braze filler metals.

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 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----PassPassPass Pass-
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 times PassPassPass---
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!

Product Tags: 95 Metallized Alumina Ceramics   Custom Metallized Alumina Ceramics   AL2O3 alumina ceramic rings  
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