High Tensile Strength Semiconductor 99.5% Alumina Ceramic Arm With Y Shape
Alumina ceramic is the most mature of the engineering ceramics, offering excellent electrical insulation properties together with high hardness and good wear resistance,but relatively low strength and fracture toughness.Alumina ceramics are generally white but may also be pink or ivory.
Advantages of High temperature resistant semiconductor ceramic arms:
A. Refractory.
B. Self Lubricating
C. Long Service Life.
D. Good Polished Surface.
E. Environmental and Healthy.
F. Superior Mechanical Strength.
G. High Corrosion and Wear Resistance.
H. Good Insulation Performance Precision.
I. High Temperature and Pressure Resistance.
J. High Purity Zirconia and Alumina Ceramic Material.
| Alumina Ceramic Properties | 96% Alumina Ceramic | 99% Alumina Ceramic |
| Item | Unit | Typical Values |
| Physical Properties |
| Color | | White | Ivory |
| Density | g/cm3 | 3.7 | 3.85 |
| Alumina Content | % | 96% | 99% |
| Gas permeability | | 0 | 0 |
| Water Absorption | | 0 | 0 |
| Mechanical Properties |
| MONS' Hardness | Grade | 9 | 9 |
| Rockwell Hardness | HRA | 80 | 82 |
| Vickers Hardness (Hv50) | Gpa(Kg/mm²) | 15.7(1600) | 15.7(1600) |
| Flexural Strength(20°C) | Mpa | 300 | 330 |
| Compressive Strength(20°C) | Mpa | 2000 | 2000 |
| Modulus of Elasticity | Gpa | 275 | |
| Poisson's Ratio (20°C) | | 0.22-0.23 | |
| Fracture Toughness(20°C) | MPam1/2 | 3.5 | 4 |
| Thermal Properties |
| Thermal Conductivity(20°C-400°C) | W(m.K) | 25 | 27.5 |
| Thermal Expansion | 10-6/°C | 6.5-7.5 | 7.6 |
| Maximum Use Temperature | °C | 1600 | 1650 |
| Electronic Properties |
| Dielectric | KV/mm | >12 | >10 |
| Dielectric Constant | Er | 9-10 | 9.1 |
| Dielectric Loss Angle(1MHz) | | 0.0002 | 0.0002-0.0003 |
Company Introuduce
Wuxi Special Ceramic Electrical Co.,Ltd mainly produces alumina, Silicon nitride, Zirconia, Steatite, Boron nitride, Cordierite,mullite products, widely used in metal welding, electronic conductor, mechanics, assembling, insulation, chemicals, instrument, textile, nuclear industry, aerial field.We accept trial produce according to the drawing or sample.It usually takes 15 days to finish trial product.Mass produce usually takes 30 days.Goods' package is carton or PLT.It can be negotiable with each other.
We mainly sell goods to toshiba lighting group in Japan and Europe.Our aim is to deliver goods with high quality at quick delivery date.
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