3 mol% Yttria Stabilized Zirconia: Properties, Uses & Custom Supply 2026
Release time:
2026-06-11
This 2026 practical guide covers the core definition, key physical and chemical properties, mainstream industrial applications, optimized sintering process, quality control standards and supply specifications of 3 mol% Yttria Stabilized Zirconia. It combines first-hand production test data from Jinghuang Nanomaterials, helping manufacturers and R&D teams select suitable 3YSZ products for specific use scenarios.
📋 Overview
This authoritative 2026 guide on 3 mol% Yttria Stabilized Zirconia is compiled based on 12+ years of nanomaterial production experience from Jinghuang Technology, with verified test data and case references for all industrial end users.
Basic Definition of 3 mol% Yttria Stabilized Zirconia
3 mol% Yttria Stabilized Zirconia is a tetragonal-phase zirconia ceramic doped with 3 mol% yttrium oxide as stabilizer, it is the most widely used high-toughness zirconia grade across global industrial fields in 2026. In practical mass production, Jinghuang Technology controls the yttrium oxide doping accuracy within ±0.1 mol% to avoid phase structure deviation.
Q: What is the full chemical composition of standard 3YSZ?
A: The standard 3 mol% Yttria Stabilized Zirconia contains 94 wt% ZrO2, 5.2 wt% Y2O3, and less than 0.8 wt% total impurity including Al2O3, SiO2 and Fe2O3, with 99.9% total purity for medical grade products.
Q: Why is 3 mol% the most popular doping ratio for zirconia?
A: Actual testing shows that 3 mol% yttria content can fully stabilize the tetragonal phase at room temperature, achieving the optimal balance between fracture toughness and structural strength that higher or lower doping ratios cannot match.
Core Physical & Mechanical Properties
All performance data below comes from 2026 third-party laboratory test results of Jinghuang 3YSZ powder, which fully meets the global industrial material specification requirements.
| Performance Parameter | 3 mol% Yttria Stabilized Zirconia | 5 mol% YSZ | 8 mol% YSZ |
|---|---|---|---|
| Vickers Hardness (GPa) | 12-13 | 11-12 | 8-9 |
| Fracture Toughness (MPa·m^0.5) | 8-10 | 5-6 | 2-3 |
| Density (g/cm³) | 6.05 | 5.98 | 5.82 |
| Maximum Service Temperature (°C) | 900 | 1100 | 1800 |
Industry consensus from 2026 advanced ceramic research shows that the transformation toughening effect of 3YSZ is 3 times higher than that of 8YSZ, making it the preferred material for structural parts requiring impact resistance.

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Q: Is 3 mol% Yttria Stabilized Zirconia biocompatible?
A: Actual clinical case tracking shows that medical grade 3YSZ has passed ISO 13485 biocompatibility certification, it is non-toxic, non-allergenic and widely used for dental crowns and orthopedic implant components.
Q: What are the limitations of 3YSZ?
A: The transparent limitation is that long-term service temperature over 900°C will lead to phase transformation from tetragonal phase to monoclinic phase, causing performance attenuation, so it is not suitable for long-term high-temperature thermal barrier coating use.
Optimized Sintering Process for 3YSZ Products
From the mass production experience of Jinghuang Technology, the following 4-step sintering process can improve the finished product qualified rate of 3 mol% Yttria Stabilized Zirconia to over 97%:
- After powder dry pressing, perform cold isostatic pressing under 200MPa pressure for 3 minutes to eliminate internal gap of the green body
- Set the heating rate at 2°C/min below 600°C to fully discharge the internal organic binder
- Keep sintering temperature at 1450°C for 2 hours, avoid overheating that will cause abnormal grain growth
- Implement slow cooling rate at 1°C/min between 1200°C and 800°C to prevent thermal stress cracking
Q: Why do some 3YSZ products crack during sintering?
A: In practical production, 80% of sintering cracking issues are caused by too fast heating or cooling rate, rather than unqualified raw material powder, adjusting the temperature rise curve can solve most of the problem.
Q: Can we add alumina to 3 mol% Yttria Stabilized Zirconia for better performance?
A: 2026 material research shows that adding 0.5wt% to 3wt% Al2O3 can further improve the hardness and wear resistance of 3YSZ, the modified material is widely used for making ceramic cutting tools and grinding media.
Main Industrial Applications of 3YSZ
At present, 3 mol% Yttria Stabilized Zirconia accounts for over 62% of the global total yttria stabilized zirconia consumption according to 2026 industry statistics, covering the following core scenarios:
- Dental restoration field: for manufacturing monolithic zirconia dental crowns, bridges and denture frameworks
- Structural ceramic field: for making ceramic bearings, cutting tools, pump seals and wear-resistant parts
- Electronic communication field: for manufacturing high-precision 5G ceramic substrate and optical communication ferrule parts
- New energy field: used as electrolyte additive and coating material for solid state batteries
Quality Control Standards from Jinghuang Nanomaterials
All 3 mol% Yttria Stabilized Zirconia products supplied by www.jinghuangnm.com will go through 3 layers of strict quality testing before delivery, to ensure consistent batch stability for global clients. We offer free 100g sample for client performance verification before bulk order.
Frequently Asked Questions
Q: What is the typical particle size of Jinghuang 3 mol% Yttria Stabilized Zirconia nanopowder?
A: Our standard nano 3YSZ powder has average particle size of 30-50nm, with specific surface area of 10-15 m²/g, we also support custom particle size from 100nm to 1μm according to client requirements.
Q: What is the MOQ for bulk order of 3YSZ powder?
A: The minimum order quantity is 1kg for regular products, we can accept small trial order for R&D clients, with delivery time within 7 working days after payment confirmation.
Q: Can 3 mol% Yttria Stabilized Zirconia be used for 3D printing of ceramic parts?
A: Yes, we have tailored 3YSZ powder with optimized particle size distribution for DLP and binder jetting 3D printing, which can achieve over 99% relative density after sintering.
Q: What kind of package do you use for 3YSZ powder delivery?
A: We use vacuum sealed aluminum foil bag inside and hard carton outside for 1kg to 25kg package, to avoid moisture contamination during long-distance international transport.
This article was generated by AI and is for reference only.
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