Zirconia Ceramics: Comprehensive Solutions For Insulation, Wear & Corrosion Resistance In High-End Industries

Zirconia Ceramics: Comprehensive Solutions For Insulation, Wear & Corrosion Resistance In High-End Industries

Introduction

Zirconia ceramic (ZrO₂) is a high-performance structural ceramic material known for its excellent mechanical properties, high fracture toughness, good insulation, and outstanding chemical stability. Through phase transformation toughening with stabilizers such as yttrium oxide (Y₂O₃), its overall performance far surpasses that of most engineering ceramics. It is widely used in critical components requiring high precision, high reliability, and resistance to harsh environments.

Applications

• Electronic Components: Insulating substrates, sensor housings, piezoelectric ceramic elements, fiber optic connectors

• Precision Machinery: Bearings, bushings, valves, guide rails, mechanical seal rings

• Chemical Equipment: Corrosion-resistant pump bodies, pipeline fittings, agitators, nozzles, and reactor linings

• Medical Field: Dental implants, surgical blades, joint prostheses

• Consumer & Energy Products: Cutting tools, wear-resistant accessories, fuel cell membranes, oxygen sensors

Advantages

1. Exceptional Toughness & Fracture Resistance: Fracture toughness up to 8–12 MPa·m¹/², far exceeding alumina and most other ceramics.

2. Excellent Wear Resistance: High hardness (HV ≥ 1250) and low friction coefficient extend component service life.

3. Good Insulation & Low Thermal Conductivity: Suitable for high-temperature insulation and thermal barrier coating applications.

4. Resistance to Strong Acids & Alkalis: Exceptional resistance to most chemical media.

5. Excellent Biocompatibility: Certified for medical implants, non-toxic and harmless.

Specification Parameter Table

Process Flow

Raw material formulation → Ball milling and mixing → Spray granulation → Dry pressing/isostatic pressing/injection molding → Pre-sintering → CNC machining → High-temperature sintering → Precision grinding → Surface polishing → Performance testing

Usage Instructions

• Avoid severe impact or localized stress concentration during installation; specialized tools are recommended.

• Allow for thermal expansion clearance when mating with metal parts to prevent thermal stress cracking.

• Regularly inspect surface conditions when used in corrosive environments.

• Do not exceed the material’s rated temperature in high-temperature applications.

After-Sales Service

We provide free technical consultation, application solution design, and sample testing support. A 12-month warranty is included, along with on-site failure analysis and solution services.

FAQ

Q1: How does zirconia compare to silicon nitride for wear-resistant applications?
A: Zirconia offers higher toughness and better impact resistance, while silicon nitride provides higher hardness and is more suitable for extreme wear conditions.

Q2: Can complex shapes be machined?
A: Yes, complex-shaped parts can be manufactured through injection molding and precision CNC machining, with accuracy up to ±0.002mm.

Q3: What certifications are available for medical-grade zirconia?
A: Certifications include ISO 13485, USP Class VI, and biocompatibility test reports.