Custom machining of various precision zirconia ceramic screws sceramic nozzles and ceramic sleeves
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- Supplier: Suzhou Xinyihong Technology Co. Ltd.Suzhou Ltd.
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Product Overview
Description
Ceramic core bar.
This is an oxide zirconia ceramic shaft that has been machined to achieve concentricity of 0.002 using an internal and external cylindrical grinding machine.
Project | unit | zirconia | aluminium oxide | silicon nitride | carborundum | aluminium nitride | boron nitride | beryllia |
volume density | g/cm | 26.0 | >3.8 | 23.20 | >3.10 | 23.2 | 22.3 | ≥2.85 |
water absorption | % | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
coefficient of thermal expansion | 10-6K/℃ | 10 | 8.2 | 3.2 | 4.2~5.2 | 3.67 | 4 | 3.2 |
Rockwell hardness (HRC) | HRC | 88~90 | 80~86 | 95 | 91 | 85 | - | - |
Bending strength (room temperature) | Mpa | 950 | 350 | 500-700 | 400 | 350 | -- | -- |
Compressive strength (room temperature) | Mpa | 2200 | 2000 | 3500 | 2200 | 2500 | ||
breaking tenacity | Mpa.m1/2 | 10 | 4~5 | 5~7 | 3.50~4.60 | -- | -- | -- |
Thermal conductivity (room temperature) | W/m.k | 2~3 | 25-30 | 15-20 | 50-100 | 170 | 55 | 190-260 |
maximum service temperature | ℃ | 600 | 1500 | 1200 | 1300 | 1600 | 1500 | 2000 |
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