High precision and high hardness zirconia ceramic ring

Overview of Zirconia Ceramic Rings

Zirconia ceramic rings are high-performance ceramic components with high hardness, high toughness, excellent corrosion resistance and outstanding thermal shock resistance. These characteristics make them widely used in many industries such as machinery, electronics and medical, such as manufacturing mechanical seals, high-temperature furnace components and precision medical equipment. Its low friction coefficient and high wear resistance ensure long-term stability and reliability in harsh environments.

 Features of Zirconia Ceramic Rings

The zirconia ceramic ring is a ceramic component with excellent performance. It has extremely high strength, can withstand greater pressure and impact, and is not easy to break. Its hardness is extremely high, second only to diamond, which makes it excellent in wear resistance and long service life. In addition, it also has good toughness and is less likely to crack and break than traditional ceramics. In terms of chemical stability, zirconia ceramic ring has strong corrosion resistance and is not easily corroded by chemical substances such as acids and alkalis.

It also has excellent high-temperature resistance, can remain stable in high-temperature environments, has low thermal conductivity and good thermal insulation effect. In terms of electrical properties, it has good insulation, and its dielectric constant and dielectric loss are also excellent. In terms of appearance, the zirconia ceramic ring is white in color, good in brightness, and has high dimensional accuracy, which can meet the requirements of precision parts. Therefore, it is widely used in many fields such as electronics, machinery, chemical industry, aerospace, etc. 

Specifications Table of  Zirconia Ceramic Rings

Specification Items	Details
Material Composition	Primarily composed of zirconia (ZrO₂), which may also contain stabilizers such as yttria (Y₂O₃) or magnesia (MgO) to enhance its properties.
Color	Commonly white, black, and other colors are also available.
Density	Approximately 6.0-6.1 g/cm³.
Hardness	Hardness (HRA) is around 90, Vickers hardness (HV) is about 1300, second only to diamond.
Fracture Toughness	6-8 MPa·m¹/², offering relatively high fracture toughness among all technical ceramics.
Flexural Strength	≥800 MPa.
Compressive Strength	≥2000 MPa.
Thermal Conductivity	2.2-3.5 W/(m·K), with low thermal conductivity.
Coefficient of Thermal Expansion	(8-10)×10⁻⁶/°C, close to that of steel.
Thermal Shock Resistance	Can withstand thermal shock temperature differences of around 280-350°C.
Max Service Temperature	Approximately 850-1000°C.
Wear Resistance	Excellent wear resistance, suitable for use in high-wear environments.
Corrosion Resistance	Resistant to acids, alkalis, and other corrosive media.
Electrical Insulation	Good electrical insulation, with volume resistivity at 20°C ≥1×10¹³ Ω·cm.
Size Range	Outer diameter can range from 1 mm to several hundred millimeters, length can be from 10 mm to 800 mm.

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Applications of Zirconia Ceramic Rings

Zirconia ceramic rings are widely used in many fields due to their excellent performance. In mechanical manufacturing, it can be used to produce seals, bearings and related accessories. With its high strength and wear resistance, it can withstand high-speed operation and pressure tests, effectively extending the service life of the equipment. In the chemical industry, it can be used to manufacture corrosion-resistant valves and pipeline components, adapt to harsh chemical environments, and reduce maintenance requirements. In the energy industry, whether it is a traditional thermal power station or a nuclear power facility, zirconia ceramic rings can be used as key sealing components to ensure the safety and efficiency of energy conversion and transmission processes. The consumer electronics industry also values its high hardness and signal non-shielding advantages and applies it to components such as mobile phone back panels and fingerprint recognition modules to improve product durability and design flexibility.

In addition, it is also used in the production of high-performance engine parts and sensors in automobile manufacturing, and in the field of medical devices, it is used to manufacture implants such as artificial joints. Its biocompatibility and corrosion resistance can protect human health for a long time. In other aspects, such as precision instruments, optical equipment and experimental equipment, zirconia ceramic rings also play an important role with their unique properties.

Both zirconia ceramic rings and zircon rings use zirconia as the main material, but their uses, designs and performance requirements are different. Zirconia ceramic rings are mainly used in the industrial field, while ceramic zircon rings belong to the field of jewelry, focusing on beauty, fashion and comfort. Polishing and inlay processes are usually used to enhance gloss and appearance. Although the two have similarities in materials, zirconia ceramic rings focus on industrial performance, while ceramic zircon rings focus on decorativeness, meeting the needs of different fields.

Company Profile

RBOSCHCO is a trusted global chemical material supplier & manufacturer with over 12 years of experience in providing super high-quality chemicals and Nanomaterials. The company exports to many countries, such as the USA, Canada, Europe, UAE, South Africa, Tanzania, Kenya, Egypt, Nigeria, Cameroon, Uganda, Turkey, Mexico, Azerbaijan, Belgium, Cyprus, Czech Republic, Brazil, Chile, Argentina, Dubai, Japan, Korea, Vietnam, Thailand, Malaysia, Indonesia, Australia, Germany, France, Italy, Portugal etc. As a leading nanotechnology development manufacturer, RBOSCHCO dominates the market. Our professional work team provides perfect solutions to help improve the efficiency of various industries, create value, and easily cope with various challenges. If you are interested, please send an email to sales1@rboschco.com

Payment Term

T/T, Western Union, Paypal, Credit Card etc.

Shipment Term

By air, by sea, by express, as customers request.

FAQs of Zirconia Ceramic Rings

Q1:What are the specific applications of zirconia ceramic rings in automobile manufacturing?

Zirconia ceramic rings have many applications in automobile manufacturing. In terms of engine components, it is a key material for oxygen sensors, which can measure the exhaust oxygen concentration and feedback signals, improve combustion efficiency and reduce exhaust emissions; it can also be used for spraying on the top of the piston to reduce temperature and improve thermal efficiency; and spraying on the inner surface of the cylinder liner to enhance wear resistance and high-temperature resistance. In the braking system, it is used to manufacture brake discs, and its hardness and wear resistance can reduce thermal decay and improve braking safety. In terms of sensors, zirconium oxide ceramic deflagration sensors can detect deflagration in harsh environments and optimize ignition timing. In addition, it is also used in shock absorbers and ceramic spraying technology to improve the comfort and performance of automobiles.

Q2:How does it resist wear compared to traditional ceramics?

The wear resistance of zirconia ceramic rings is significantly better than that of traditional ceramics, mainly due to their high hardness, high toughness, low friction coefficient, excellent corrosion resistance and high-temperature stability.

Q3：What is the toughness of zirconia ceramic rings?

The toughness of zirconia ceramic rings is significantly better than that of traditional ceramics, with a fracture toughness (KIC) of about 6-8 MPa·m¹/². This means that it is not easy to crack or break when subjected to impact or high stress, making it suitable for use in mechanical parts and seals.

Q4:What is the price of zirconia ceramic rings?

The price of zirconia ceramic rings is relatively high, mainly affected by material cost, processing difficulty and application field. Its price is usually higher than that of traditional ceramic parts, but considering its excellent performance and service life, it has a high-cost performance.

Q5:Can zirconia ceramic rings be customized?

Yes, zirconia ceramic rings can be customized according to customer needs, including size, shape, surface treatment, etc. Many manufacturers provide customization services to meet the specific needs of different applications.