Zirconia Toughened Alumina Ring

Zirconia Toughened Alumina Ring
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Zirconia Toughened Alumina Ring Data Sheet
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Composition: |
Alumina/Zirconia |
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Color: |
White or off white |
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Dimensions: |
Customized |
Zirconia Toughened Alumina Ring Description
Zirconia toughened alumina ring combines alumina’s hardness and chemical stability with zirconia’s improved toughness, enhancing crack resistance and wear durability. It performs well in high-temperature, mechanical, and corrosive environments, suitable for sealing rings, bearing supports, and insulating parts. We also offer zirconia toughened alumina ceramic arched semi-ring as an alternative to fit different needs.
Zirconia Toughened Alumina Ring
Zirconia Toughened Alumina Ring
Zirconia Toughened Alumina Ring Features
- Enhanced fracture toughness compared to pure alumina, reducing the risk of cracks and breakage.
- High hardness and excellent wear resistance for long service life under abrasive conditions.
- Superior thermal stability, maintaining dimensional integrity at elevated temperatures.
- Good chemical resistance to many corrosive environments, including molten metals and slags.
- Outstanding mechanical strength suitable for high-load applications.
Zirconia Toughened Alumina Ring Applications
- Mechanical Seals: Provide durable and wear-resistant sealing rings for pumps, compressors, and valves.
- Insulating Components: Used as electrical and thermal insulators in high-temperature equipment.
- Bearing Supports: Serves as strong, wear-resistant supports in high-speed and high-load bearing assemblies.
- Chemical Processing: Suitable for use in corrosive environments involving molten metals, slags, and aggressive chemicals.
- High-Temperature Structural Parts: Used in applications requiring thermal stability and mechanical strength under harsh conditions.
Insulating Components
Bearings
Chemical Equipment
High-temperature Lab
Zirconia Toughened Alumina Material Properties
Zirconia Toughened Alumina Material Grades
CeramAlloy ZTA is a high performance ceramic composite and a unique ceramic material by way of exhibiting a combination of high hardness, strength, wear and corrosion resistance resulting from its Alumina content, while still maintaining reasonably high fracture toughness resulting from its Zirconia content.
Applications:
- High pressure equipment – ball valve balls and seats
- Rollers and guides for metal forming
- Thread and wire guides
- Deep well down-hole valves and seats
- Shaft bearings/bushings
Ultra Hard is a high performance ceramic composite and a unique ceramic material by way of exhibiting a combination of high hardness, strength, wear and corrosion resistance resulting from its Alumina content, while still maintaining reasonably high fracture toughness resulting from its Zirconia content.
Applications:
- High pressure equipment – ball valve balls and seats – particularly suitable for high flow/abrasive fluids
- Focusing nozzles for abrasive media
- Ultra high pressure pumping elements
- Deep well down-hole valves and seats
- Rollers and guides for metal forming
- Thread and wire guides
- Metal extrusion dies
Zirconia Toughened Alumina Ceramic Machining

Zirconia Toughened Alumina (ZTA) is a high-performance composite material that enhances toughness and strength by incorporating zirconia (ZrO₂) into alumina (Al₂O₃). Machining this material requires addressing its high hardness and brittleness. Key machining aspects include:
- Cutting: Utilizes diamond tools or laser cutting for precision and edge integrity.
- Grinding: Employs precision grinding to control surface roughness and dimensional tolerances.
- Drilling: Uses ultrasonic or diamond drills for micro-holes, ideal for electronic applications.
- Surface Finishing: Polishing or coating improves wear resistance and aesthetics.
Zirconia Toughened Alumina Ring Ceramic Packaging
Zirconia Toughened Alumina Ceramic products are typically packaged in vacuum-sealed bags to prevent moisture or contamination and wrapped with foam to cushion vibrations and impacts during transport, ensuring the quality of products in their original condition.

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