Introduction to Zirconia Ceramic Materials
Zirconia, a precision ceramic material with high mechanical strength and fracture toughness, is used in blades, shears, cutting tools, and pump components. Its thermal and chemical stability makes it essential for high-temperature and corrosive environments in aerospace, automotive, and electronics industries.
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Plate material mm (L, H, and W can be selected as needed, customization supported) | ||||||||||||
L | 3 | 5 | 8 | 10 | 12 | 15 | 18 | 20 | 22 | 25 | 28 | More (Customizable) |
W*H | 100*100 | 90*140 | 95*145 | 150*150 | 160*160 | 122*290 | 110*275 | More (Customizable) | ||||
Rod material mm (W, Ø can be selected as needed, customization supported) | ||||||||||||
Ø | 0.5 | 0.8 | 0.9 | 1 | 1.5 | 2 | 2.5 | 3 | 3.5 | 4 | 4.5 | More (Customizable) |
W | 60 | 100 | 120 | 200 | More (Customizable) |
Zirconia (Zirconium dioxide, ZrO2) is a highly unique and valuable ceramic material, possessing a variety of remarkable properties.
1. Outstanding Mechanical Performance and Applications
Zirconia (Zirconium dioxide, ZrO2) exhibits superior mechanical characteristics compared to alumina, including higher strength and fracture toughness. These properties make zirconia an ideal choice for many industrial applications, especially in environments requiring materials to withstand extreme forces and wear.
- High Strength and Fracture Toughness: Zirconia surpasses many traditional ceramic materials in strength and toughness, allowing it to remain stable under impact and stress, reducing the risk of fracture.
- Industrial Applications: Due to its high strength and wear resistance, zirconia is commonly used in manufacturing various high-performance industrial components such as parts in milling machines, sliding components, and cutting tool blades. These applications often demand materials capable of withstanding repeated mechanical stress without failure.
2. Excellent Thermal Insulation and Low Thermal Conductivity
Zirconia also boasts excellent thermal insulation properties, with significantly lower thermal conductivity compared to other ceramic materials.
- Low Thermal Conductivity: Zirconia has only one-tenth the thermal conductivity of some other common ceramic materials. This characteristic makes it highly useful in applications requiring insulation or thermal management.
- Thermal Management Applications: For example, in certain chemical processing equipment and high-temperature furnaces, zirconia can be used as a thermal barrier, helping to control temperatures and protect sensitive mechanical components from overheating damage.
Type | Unit | Zirconia | Zirconia(ZrO2-MgO) | ||
Material | \ | 94.4% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94.4% ZrO2-MgO |
Colour | \ | White | Black | Blue | Yellow |
Density | g/cm3 | 6 | 5.6 | 6 | 5.7 |
Type | Unit | Zirconia | Zirconia(ZrO2-MgO) | ||
Material | \ | 94.4% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94.4% ZrO2-MgO |
Colour | \ | White | Black | Blue | Yellow |
Flexural Strength(20℃) | Mpa | 800 | 710 | 900 | 500 |
Compressive Strength(20℃) | Mpa | 2000 | 2000 | 2000 | 2500 |
Modulus of Elastic(young)(20℃) | Gpa | 200 | 210 | 220 | 250 |
Tracture Toughness(20℃) | MPam½ | 9 | 8 | 8 | 6 |
Poi sion’s Ratio(20℃) | \ | 0.3 | 0.3 | 0.3 | |
Hardness HRA(20℃) | HRA | 88 | 85 | 90 | |
Vickers Hardness(HV1) | kg/mm2 | 1175 | 1100 | 1220 | 1100 |
Rockwell Hardness(45N) | R45N | 78 | 75 | 78 |
Type | Unit | Zirconia | Zirconia(ZrO2-MgO) | ||
Material | \ | 94.4% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94.4% ZrO2-MgO |
Colour | \ | White | Black | Blue | Yellow |
Thermal Expansion Coefficient | 10-6K-1 | 9.6 | 9.5 | 10 | 10 |
Thermal Conductivity | W/mk | 2.5 | 3 | 3 | 3 |
Thermal Shock Resistance | △T.℃ | 250 | 300 | 300 | 450 |
Specific Heat Capacity | J/g·k | 0.46 | 0.48 | 0.46 | |
Max working Temperature(In Oxidizing) | ℃ | 800 | 800 | 800 | 2100 |
Type | Unit | Zirconia | Zirconia(ZrO2-MgO) | ||
Material | \ | 94.4% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94% ZrO2-Y2O3 |
94.4% ZrO2-MgO |
Colour | \ | White | Black | Blue | Yellow |
Vol une Resistivity at 20℃ | Ωcm | 1014 | 1010 | 1014 | 1014 |
Dielectric Strength | KV/mm | 13 | 13 | 13 | 13 |
Dielectric Constant | \ | 28 | 28 | 28 | 28 |
Dielectric LossAngle at 20℃,1MHz20℃ | tanδ | 17*10-4 | 17*10-4 | 17*10-4 | 17*10-4 |
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