Super Hardness Corrosion Resistant Zro2 Zirconia Ceramic Shaft
China Super Hardness Corrosion Resistant Zro2 Zirconia Ceramic Shaft, Find details about China Ceramic Rod, Alumina Ceramic from Super Hardness Corrosion Resistant Zro2 Zirconia Ceramic Shaft
Super Hardness Corrosion Resistant ZrO2 Zirconia Ceramic Shaft
The main characteristics of zirconia ceramic parts
1. Excellent wear resistance, much higher 276 times than stainless steel
2. Higher density than most technical ceramics, over than 6 g/cm3
3. High hardness, over 1300 MPa for Vicker
4. Can withstand higher temperatures up to 2400°
5. Low thermal conductivity, less than 3 W/m.k at room temperature
6. Similar coefficient of thermal expansion as stainless steel
7. Exceptional fracture toughness reaches up to 8 Mpa m1/2
8. Chemical inertness, aging resistance, and not rust forever
9. Resistance to molten metals due to an extraordinary melting point
The specification of ceramic parts
| Material option | Zirconia (ZrO2), Alumina(Al2O3), Silicon carbide(SiO2), Silicon nitride(Si3N4) |
| Forming methods | Dry pressed, Ceramic injection molding, Hot pressed, ISO pressed |
| Available types | Flanged tubes, slotted tubes, one-end closed tubes, square tubes |
| Specification | OD can be from 1 to 50mm, length can be from 10mm to 500mm |
| Precision processing | CNC machining, Precision grinding, Polishing, Lapping, |
| Tolerance | The tolerance of OD and ID can be 0.001mm, the tolerance of length can be 0.001mm |
| Surface quality | Free of cracks, foreign contamination, mirror surface better than Ra0.1 |
| Key parameters | Roughness to be 0.02mm, Parallelism to be 0.001mm |
The description of zirconia ceramic parts
Zirconium oxide, also called Zirconia, is an extremely tough technical ceramic with a hardness of >9 Mohs.
Zirconia has the highest strength and fracture toughness at room temperature among all the advanced ceramic materials,
In addition to withstanding attacks from molten metal, organic solvents, strong acids, and strong alkalis.
So zirconia ceramic parts are always used in various severe service conditions.
Jinghui ceramics provide many selections of zirconia ceramic parts in different types of partial stabilizers,
such as yttria (Y2O3) stabilizer, magnesia stabilizer, and cerium stabilizer, also support various customized ceramic parts, including ceramic tubes, ceramic rings, ceramic shafts, ceramic rod. With our in-house comprehensive manufacturing equipment, we are capable of achieving ultra-precision ceramic components. Whatever, it's a prototyping case or high volume demand, we believe we could help your business grow
Datasheet of Technical ceramics
| Property | Units | Material | ||||
| 99.5% alumina | 99% alumina | 95% alumina | ZrO2 (3Y-TZP) | ZrO2 | ||
| Density | g/cm3 | ≥3.85 | ≥3.80 | ≥3.60 | ≥5.95 | ≥5.72 |
| Water absorption | % | 0 | 0 | 0 | 0 | 0 |
| Hardness | HV | 1700 | 1700 | 1500 | 1300 | 900 |
| Flexural strength | Mpa | ≥379 | ≥338 | ≥320 | ≥1200 | ≥1200 |
| Compressive strength | Mpa | ≥2240 | ≥2240 | ≥2000 | ≥1990 | 1750 |
| Fracture toughness | Mpa m1/2 | 4-5 | 4-5 | 3-4 | 6.5-8 | 11 |
| Max. service temperature | ºC | 1675 | 1600 | 1450 | 1000 | |
| CTE | 1×10 -6 /ºC | 6.5~8.0 | 6.2~8.0 | 5.0~8.0 | 8.0~9.5 | 10.2 |
| Thermal shock | T(ºC) | ≥250 | ≥200 | ≥220 | ≥300 | 350 |
| Thermal conductivity(25ºC) | W/m.k | 30 | 29 | 24 | 3 | 3 |
| Volume resistivity | ohm.cm | |||||
| 25ºC | >1 x 10 14 | >1 x 10 14 | >1 x 10 14 | >1 x 10 11 | >1 x 10 11 | |
| 300ºC | 1 x 10 12 | 8 x 10 11 | 10 12 -10 13 | 1 x 10 10 | 1 x 10 10 | |
| 500ºC | 5 x 10 10 | 2 x 10 9 | 1 x 10 9 | 1 x 10 6 | 1 x 10 6 | |
| Insulation strength | KV/mm | 19 | 18 | 18 | 17 | 20 |
| Dielectric constant(1Mhz) | (E) | 9.7 | 9.5 | 9.5 | 29 | 28 |
Manufacturing flow chart of technical ceramic parts
We have in-housing comprehensive manufacturing types of equipment, including forming, sintering,
CNC machining, precision grinding, laser cutting, and so on, helps us to control the quality very well.
Also, it greatly benefits cost control.
Q1. Are you a factory or trading company?
A: We are a manufacturer with over 12 years of experience. You are welcome to visit our factory.
Q2: Do you send a sample to check?
A: Sure, the sample is free and freight collect.
Q3: When will you ship it?
A: If the products are in storage, we'll ship within 48 hours
Q4: When can I get the price?
A: We regularly quote within 24 hours after we get your inquiry. If you are in urgent need of getting the price.
Please call us or tell us in your email so that we will proceed with your inquiry as a priority.
Q5: Is it available to provide customized products?
A: We always support custom-made demand as per different materials, dimensions, and designs.
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