Product Name: High-Precision Zirconia (ZrO_2) Ceramic Rod
Product Material: Yttria-Stabilized Tetragonal Zirconia Polycrystal (Y-TZP), Magnesia-Stabilized Zirconia (Mg-PSZ), or Ceria-Stabilized Zirconia (Ce-TZP).
Material Characteristics: Highest fracture toughness among structural ceramics, Excellent wear and abrasion resistance, High bending strength, Near-metal thermal expansion coefficient, Superior chemical corrosion resistance, Low thermal conductivity, Non-magnetic and non-conductive.
Application Fields: Precision plunger and piston rods, Ceramic pin gauges, Fiber optic ferrules, Biomedical implants, High-speed motor shafts, Valve components, High-pressure fluid control pins, Homogenizer valves.
Application Industries: Biomedical (Dental and surgical instruments), Advanced Machinery (Heavy-duty precision components), New Energy (Lithium battery slurry processing), Fluid Control (High-pressure dispensing), Electronic Engineering (Non-conductive locating pins), Aerospace (High-strength fasteners), Petrochemical (Corrosive media handling), Broad Semiconductor (Wafer handling tools).
Processing Difficulties: Achieving sub-micron dimensional tolerances (±0.001mm) due to extreme material hardness, Managing surface micro-stress during diamond grinding to prevent phase transformation, Achieving mirror-finish polishing (Ra < 0.02μm), Ensuring high straightness and concentricity for long-aspect-ratio rods.
Processing Flow: Nano-grade Zirconia powder preparation → Isostatic pressing or Ceramic Injection Molding (CIM) → High-temperature sintering (1450°C - 1550°C) → Precision diamond cylindrical grinding → Step-by-step mirror polishing → Ultrasonic flaw detection → CMM dimensional inspection → Secure packaging.
Delivery Period: Standard rod dimensions: 15-25 days, Customized high-precision or micro-rods: 30-50 days.
The Zirconia Ceramic Rod is the premier choice for mechanical applications where alumina or other traditional ceramics would be too brittle. Often called "Ceramic Steel," zirconia rods possess an extraordinary ability to resist crack propagation, making them ideal for high-impact and heavy-load environments. Their thermal expansion coefficient is remarkably close to that of stainless steel, allowing for seamless integration with metal assemblies without the risk of seizing or loosening during temperature cycles. With a self-lubricating mirror finish, our zirconia rods offer exceptional life cycles in fluid pump systems, fiber optic alignments, and precision electronics.
Key Features
Exceptional Toughness: High fracture toughness prevents chipping and catastrophic failure under mechanical shock.
Superior Wear Resistance: Outlasts hardened steel and alumina by several times in abrasive environments.
Metal-Like Thermal Expansion: Minimizes stress in ceramic-to-metal assemblies during thermal fluctuations.
Mirror Surface Finish: Capable of being polished to an ultra-smooth finish, reducing friction and seal wear.

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