Yttria-stabilized zirconia ceramic tubes are advanced engineering ceramic products primarily composed of zirconia (ZrO₂), with yttria (Y₂O₃) added as a stabilizer and formed through high-temperature sintering. Zirconia itself is monoclinic at room temperature and undergoes phase transformation with significant volume changes when the temperature varies, making it unsuitable for direct use as a structural material. The addition of yttria enables it to maintain a stable tetragonal or cubic crystal structure from room temperature to high temperatures, thereby achieving outstanding mechanical, thermal, and chemical stability, and becoming one of the representative materials for high-performance ceramic tubes.
Ceramics performance parameter
Product Application
The field of energy and electrochemistry
- The core electrolyte of solid oxide fuel cells: Utilizing its oxygen ion conductivity at high temperatures, it is used to manufacture the electrolyte tubes or plates of fuel cells.
- Electrode support tubes or connectors for high-temperature fuel cells/electrolyzers.
- Oxygen sensor probe: Widely used in automotive exhaust gas detection and industrial furnace atmosphere control, it is used for accurately measuring oxygen content.
High-temperature industry and metallurgy
- High-temperature thermocouple protection tubes: used for temperature measurement in extremely high-temperature and corrosive environments such as molten steel, molten metals, and glass furnaces.
- Refractory lining tubes and burner tubes in kilns: Utilizing their high-temperature resistance, heat insulation and thermal shock resistance.
- Molten metal flow control components: such as channels and valve parts for molten aluminum and copper, with good resistance to erosion.
Material Processing and Mechanical Engineering
- Wear-resistant liner pipes and conveying pipes: Pipeline systems used for transporting high-hardness and highly abrasive powders (such as ceramic powder, mineral powder, and pigments).
- Grinding media and components: As raw materials for high-performance grinding beads, bearings, and cutting tools.
- Precision mechanical structural components: such as pump plungers, sealing rings, and fixtures, require high wear resistance, corrosion resistance, and no deformation.
Chemical and petrochemical industries
- Corrosion-resistant reactor linings and sleeves: used in highly corrosive reaction environments involving strong acids, strong alkalis, or high temperatures and pressures.
- Analysis instrument tubes: Corrosion-resistant sample tubes or protective tubes used in chromatography, spectroscopy and other instruments.
Scientific research and special applications
- High-temperature tube furnace tubes for laboratory use: Applied in material sintering and atmosphere treatment experiments.
- Crucibles or directing tubes for single crystal growth: used for growing crystals such as sapphire.
- Medical and dental: Ceramic tubes with high biocompatibility specifications can be used as processing blanks for implant components or dental restorations.
Quality Control
We strictly follow ISO 9001 quality management system to ensure consistency:
- 100% raw material inspection
- Advanced hot-pressing production lines
- In-house testing: density, hardness, microstructure analysis
- Third-party certifications (SGS, CE, ROHS available upon request)
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