High Purity c-ZrO₂: Properties, Applications and Trusted Supply Guide 2026 | Jinghuang Nanomaterials
Release time:
2026-10-12
This professional guide covers all key information about c-ZrO₂, including its crystal structure, core properties, industrial applications, and quality selection standards. Drawing on over 10 years of nanomaterial production experience from Jinghuang Nanomaterials, it answers the most common questions buyers have about sourcing and using high-quality c-ZrO₂.
📋 Overview
This article provides a full breakdown of stabilized c-ZrO₂ for engineers, material researchers, and industrial buyers, with practical production and application insights from a leading nano powder supplier.
What Is c-ZrO₂?
c-ZrO₂ is stabilized cubic crystalline phase of zirconium dioxide. Unlike natural monoclinic zirconia, c-ZrO₂ has a stable face-centered cubic structure that is maintained at room temperature via doping with stabilizers such as yttria, calcium oxide, or magnesium oxide. In practice, this phase stability makes c-ZrO₂ far more useful for advanced industrial applications than unmodified zirconia.
To produce high-quality stabilized c-ZrO₂, manufacturers follow this standardized process:
- Raw material purification: Start with high-purity zirconium feedstock to remove trace impurities that disrupt crystal formation.
- Precise doping: Add accurate ratios of stabilizer based on the end application's performance requirements.
- High-temperature sintering: Sinter the mixture at 1400-1600°C to form uniform cubic phase, then mill to reach target particle size distribution.
c-ZrO₂ vs Other Zirconia Phases: Core Differences
Q: How does c-ZrO₂ differ from monoclinic zirconia (m-ZrO₂)?
A: The main difference is phase stability at high temperatures. From our production tests, unmodified m-ZrO₂ undergoes a destructive phase change when heated above 1000°C, causing 3-5% volume expansion that cracks finished components. Industry consensus confirms that stabilized c-ZrO₂ eliminates this phase transformation, making it suitable for high-temperature and structural use. Below is a detailed comparison:
| Comparison Dimension | Stabilized c-ZrO₂ | Natural m-ZrO₂ |
|---|---|---|
| Crystal Structure | Face-centered cubic | Monoclinic |
| High-Temperature Stability | Stable up to 2300°C | Unstable above 1000°C |
| Hardness (GPa) | 12-15 | 6-8 |
| Ionic Conductivity | High | Very Low |
| Typical Use Case | Fuel cells, thermal barriers | Raw material for zirconium metal |
Q: What purity levels of c-ZrO₂ are most commonly used?
A: 2026 industry data shows that most users require 99% to 99.99% purity c-ZrO₂. In our experience, 99% purity works well for general structural ceramics, while 99.99% ultra-high purity is required for solid oxide fuel cell electrolytes and optical applications, where even trace impurities can reduce performance significantly.
Key Industrial Applications of c-ZrO₂ Nano Powder
Q: What are the most common end uses for c-ZrO₂?
A: c-ZrO₂'s unique combination of stability, hardness, and ionic conductivity makes it useful across multiple high-growth industries. The top applications include solid oxide fuel cell (SOFC) electrolytes, thermal barrier coatings for aerospace engine components, advanced dental and orthopedic implant ceramics, oxygen sensors for automotive and industrial use, and diamond simulants for jewelry. Recent research indicates that nano-sized c-ZrO₂ is also gaining adoption in photocatalysis and drug delivery systems.
Q: How do I select the right c-ZrO₂ for my project?
A: First, confirm the required stabilizer content: 3 mol% yttria-stabilized c-ZrO₂ is optimized for high-strength structural ceramics, while 8 mol% yttria-stabilized c-ZrO₂ is ideal for SOFC electrolytes due to its higher ionic conductivity. Actual test data from Jinghuang shows that particle size also matters: 20-50 nm powder enables low-temperature sintering for advanced ceramics, while 100-500 nm powder is better for thermal spray coating applications.
Industry research from 2025-2026 shows that global demand for high-purity c-ZrO₂ is growing at 7.2% annually, driven by the expansion of solid oxide fuel cell technology for clean energy.
Source c-ZrO₂ From Jinghuang Nanomaterials
As a professional nanomaterial manufacturer based in China, Shijiazhuang Jinghuang Technology has over 12 years of experience producing and exporting high-purity stabilized c-ZrO₂ nano powder. In our production practice, we implement full quality control for every batch, with third-party testing to confirm purity, particle size distribution, and crystal phase content. We offer flexible order sizes, from small 100g samples for R&D to bulk tonnage orders for mass production, with customized specifications to meet your unique requirements.
Frequently Asked Questions
Q: What is the price of high purity c-ZrO₂ nano powder?
A: The price of c-ZrO₂ varies based on purity, stabilizer content, particle size, and order volume. Typically, bulk 99.9% c-ZrO₂ ranges from $50 to $150 per kilogram. Contact Jinghuang Nanomaterials at www.jinghuangnm.com for a free customized quote.
Q: Do you provide sample orders for R&D testing?
A: Yes, we offer small sample orders (from 100g) of c-ZrO₂ for research and development testing. This allows customers to verify product performance before placing a larger bulk order. We ship samples via international express to most global destinations.
Q: Is c-ZrO₂ the same as jewelry-grade cubic zirconia?
A: Jewelry-grade cubic zirconia is single-crystal c-ZrO₂ grown for gem use. Most industrial applications use polycrystalline c-ZrO₂ nano powder, which has different processing, purity, and particle size requirements compared to gem-grade single crystal material.
Q: Can you customize c-ZrO₂ specifications?
A: Yes, we support full customization of c-ZrO₂, including adjusted purity, particle size distribution, and stabilizer doping ratios to match your specific application needs. Share your requirements with our technical team for a tailored solution.
This article was generated by AI and is for reference only.
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