High Strength and Toughness: Bending strength reaches 1200 MPa, which is 3 times that of aluminum alloy, and fracture toughness is 4 times that of alumina ceramic.
High Temperature Resistance: It can operate continuously for two years in a 1300℃ hydrogen atmosphere, with a contamination rate controlled below 0.1 ppm.
Corrosion Resistance: The annual corrosion depth in a 3.5% NaCl solution is only 2.5 μm, which is 1/200 of that of 316 stainless steel.
Precision Machinability: A cylindrical accuracy of 2 micrometers can be achieved through a gradient sintering process.
Biocompatibility: The biocompatibility index is as high as 98.7%, and it highly matches the elastic modulus of human bone.
Product Introduction of 99% Zirconia Ceramic Rods
99% zirconia ceramic rods are high-performance ceramic materials made from zirconia (ZrO₂) with a purity of 99%. This material possesses excellent characteristics such as high hardness, high wear resistance, and high temperature resistance, and is widely used in various fields including industry, medicine, and electronics.
Technical Parameters
1. Density: 6.0 g/cm³.
2. Flexural Strength: 1200 MPa.
3. Maximum Operating Temperature: 1600-2200℃.
4. Hardness: Mohs 8.5.
5. Electrical Insulation: ≥8 kV/mm.
6. Coefficient of Thermal Expansion: 3-7.5×10⁻⁶/℃.
7. Corrosion Resistance: Annual corrosion depth of 2.5 μm (in 3.5% NaCl solution).
Application Fields
1. Medical Field
Dental Restoration: Dental implants, all-ceramic crowns; bone integration strength is 1.2 times that of titanium alloy.
Orthopedic Implants: Artificial joints, femoral head repair; success rate exceeds 95% after 10 years.
Surgical Instruments: Ceramic scissors, trocar cannulas; friction coefficient is only 0.02.
2. Electronics and Semiconductors
Precision Components: Motor shafts, pin gauges; a packaging plant saw product yield increase from 96.5% to 99.2% after use.
Oxygen Sensors: Utilizing high-temperature oxygen ion conductivity, used for automotive exhaust gas detection.
Integrated Circuits: High-insulation substrates, dielectric constant 9.0 (200℃, 1MHz).
3. Industrial Applications
Wear-Resistant Components: Bearings, valves, pump bodies; the lifespan of a gold mine conveying system was extended from 3 months to 3 years.
Cutting Tools: Ceramic cutting tools have high hardness, significantly improving the efficiency of processing high-hardness metals.
Thermal Barrier Coatings: Aerospace engine components, capable of withstanding temperatures above 1000℃.
Manufacturing Process
1. Hot Isostatic Pressing (HIP) Sintering: Zirconia ceramic paste is coated inside a titanium alloy mold, followed by high-temperature and high-pressure sintering (approximately 200°C higher than conventional sintering).
2. Boring Process: Low cutting speed (approximately 2KW power) is required, and liquid cooling is necessary to prevent overheating.
3. Turning Process: Speeds can reach 2000 m/min, requiring the use of carbide inserts.
Supports custom specifications.