Metallized Alumina Ceramic Ring
Mo/Mn metallized and Ni, Cu, Ag or Au plated rings ready to braze.
- MaterialAlumina (Al2O3)
- SizeCustom
- ColorWhite + metal
Metallized Ceramic Parts
Mo/Mn metallized and plated alumina ready for brazing into vacuum interrupters, feedthroughs and hermetic assemblies.
What This Range Is For
Mo/Mn metallized and plated alumina ready for brazing into vacuum interrupters, feedthroughs and hermetic assemblies.
Performance Advantages
- Metallization thickness 25 +/-10um
- Nickel thickness 2-10um
- Pin pull strength 4200kgf/cm2 avg at 3.0mm pin
- Brazeable to metal parts
Industry Applications
- Electrical transmission and distribution
- Electronics industry
- Textile machinery
- Automobile industry
- Sealing
- Solid oxide fuel cells
- High temperature application
Typical Parts
- Metallized ceramics for vacuum interrupters
- Metallized ceramics for electrical and electronic devices
- Ceramic brazed components
- Ceramic metallizing
- Welding ceramic part
Material: Alumina with Mo/Mn metallizing. Everything in this range can be made in a custom size, shape and, where the material allows it, colour.
One Product In This Range
Parts We Have Made In Metallized
Photographed in our own plant, not rendered.
Published Properties
| Item | Unit | Typical value |
|---|---|---|
| Physical Properties | ||
| Color | Ivory/Beige | |
| Density | g/cm3 | 3.85 |
| Alumina Content | % | 99% |
| Gas permeability | 0 | |
| Water Absorption | 0 | |
| Mechanical Properties | ||
| MONS' Hardness | Grade | 9 |
| Rockwell Hardness | HRA | 92 |
| Vickers Hardness (Hv50) | Gpa(Kg/mm2) | 15.7 (1600) |
| Flexural Strength (20C) | Mpa | 330 |
| Compressive Strength (20C) | Mpa | 2000 |
| Fracture Toughness (20C) | MPam1/2 | 4 |
| Modulus of Elasticity | Gpa | 350-400 |
| Thermal Properties | ||
| Thermal Conductivity (20C-400C) | W(m.K) | 27.5 |
| Thermal Expansion Coefficient | 10-6/C | 7.6 |
| Thermal Shock Resistance | dT C | 200 |
| Maximum Use Temperature | C | 1650 |
| Electronic Properties | ||
| Dielectric Strength | KV/mm | > 10 |
| Dielectric Constant | Er | 9.1 |
| Dielectric Loss Angle (1MHz) | 0.0002-0.0003 | |
| Volume Resistivity (20C) | ohm.cm | > 10^14 |
Questions About Metallized Ceramic Parts
Which parts in this range are made to drawing?
All of them. We can supply the products according to the customer's drawings, samples and performance requirement.
What is the lead time?
Sample delivery in 4 to 7 working days. Production is 15 to 30 days if the goods are not in stock, according to the dimension and quantity.
Do you charge for a sample?
We offer the sample free of charge but do not pay the cost of freight.
How is quality confirmed before shipment?
We inspect according to your drawings and issue an inspection report, and provide photographic documentation of the packing and shipping process.
Other Ranges
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High toughness zirconia parts for wear surfaces that run against metal, fluid or fibre without picking up magnetism or corroding.
See the range
Al2O3 Alumina Ceramic Parts
95% and 99% alumina rings, tubes, substrates and plates for insulation, wear and high temperature service up to 1650C.
See the range
Steatite Ceramic Parts
Talc based steatite beads, strips and insulators for electrical heating assemblies where dielectric strength matters more than toughness.
See the range
SSIC And SIC Parts
Silicon carbide rings, cylinders and seal faces for abrasive slurry and hot gas duty where alumina wears through too quickly.
See the rangeGet A Quote On A Metallized Part
Send the drawing or the sample. We quote on the part, not on a catalogue number.