Yttria Ceramic Crucible

Your Professional Yttria Ceramic Crucible Supplier

Superior Ceramics Times Technology Co., Ltd. is a manufacturer specializing in the production of advanced ceramic materials, including nitrides, oxides, carbides, and composite ceramics. Our product portfolio encompasses silicon carbide, aluminum nitride, alumina, ultrapure alumina, yttria, zirconia, high-purity and high-performance boron nitride ceramics, zirconia toughened alumina (ZTA), alumina toughened zirconia (ATZ), silicon nitride, as well as other reinforced, composite, and high-performance ceramic materials.

Advanced Production Technology

The company employs advanced manufacturing technologies, including sintering, molding, grinding, CNC machining, laser drilling, precision grinding, and polishing processes.

Complete Production Equipment

Key production equipment includes sintering furnaces, isostatic presses, grinders, engraving machines, laser cutters, double-sided grinding machines, sand wire cutting devices, and injection molding machines.

Professional R&D Team

Our team consists of experienced experts dedicated to researching advanced ceramic materials. To date, the team has published over 100 academic papers, filed five Chinese invention patents, and obtained more than 20 utility model patents.

Professional Service

The product has technical support from Ph.D. experts and other experts during the research and development stage. The process is rigorous during the production process, and the after-sales service is on call 24 hours a day.

Yttrium Oxide Ceramic Crucible
The yttria ceramic crucible is a high-performance specialty ceramic product manufactured through advanced sintering technology using high-purity yttrium oxide powder...
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Parameter

Parameters		Y₂O₃
Density	g/cm3	＞4.95
Flexural strength	MPa	＞130
Dielectric constant	εr(20℃,1MHz)	11
Hardness	GPa	6
Volume resistivity	Ω·cm(20℃)	＞10 ¹²
Elastic modulus	GPa	150-200
Coefficient of thermal expansion	×10-6/k	7.5
Thermal conductivity	W/m×k(25℃)	14
Specific Heat Capacity	J/g·K	0.45
Insulation strength	kv/mm	11
Dielectric loss factor	×10-6	55

Advantages of Yttria Ceramic Crucible

Inert and Non-Wetting

Yttria exhibits excellent chemical inertness. It does not react with most molten metals, ceramics, or other materials commonly used in high-temperature processes. This property prevents contamination and ensures purity of the materials being processed, a critical factor in industries like electronics and metallurgy, or preserving the purity of thin films.

Exceptional Thermal Properties

A yttria ceramic crucible can withstand temperatures exceeding 2000°C without undergoing significant structural changes. The low coefficient of thermal expansion of yttria helps maintain the integrity of the crucible even when exposed to rapid temperature changes. This makes yttria and ideal for processes requiring extreme heat, such as crystal growth, thermal analysis, and ceramic sintering.

Excellent Electrical Insulation

In industries like semiconductor manufacturing, where precise control of electrical properties is crucial, yttria’s electrical insulating properties come to the forefront. It allows for the handling of materials without unwanted electrochemical reactions or interference, ensuring the integrity of the final products.

Easy Moldability and Customization

Yttria is highly moldable, enabling the production of crucibles in various shapes and sizes. This flexibility facilitates the optimization of crucible designs for specific processes, ensuring efficient material usage and reduced waste. Yttria can also be incorporated into composite materials, allowing further customization depending on the application.

Applications of Yttria Ceramic Crucible

High-Temperature Melting and Casting

Used for melting and casting metals and alloys, particularly those with very high melting points, due to their exceptional thermal stability and resistance to thermal shock.

Glass and Ceramic Processing

Employed in the production and processing of specialty glasses and advanced ceramics, benefiting from their high thermal endurance and resistance to chemical attack.

Material Synthesis

Applied in the synthesis of advanced materials, including high-performance ceramics and single crystals, as they can withstand extreme temperatures and corrosive environments.

Laboratory Research

Used in high-temperature laboratory experiments and analyses, providing a stable and inert environment for studying the properties of molten materials and chemical reactions.

Metallurgical Testing

Utilized in testing and analyzing metals and alloys in molten form, leveraging their durability and high thermal resistance.

Electronics and Fuel Cells

Employed in the production of electronic components and solid oxide fuel cells (SOFCs) where high temperature and stability are crucial.

Precautions for Using Yttria Ceramic Crucibles

01/

Cleaning and Drying
Crucibles need to be cleaned thoroughly before use. They can be washed with detergent and water, followed by rinsing with pure water. After cleaning, wipe them dry with a clean cloth or paper towel, and then let them air dry in a well-ventilated area.

02/

Avoid Sudden Heating
When heating a crucible, control the temperature to avoid sudden heating that could cause the crucible to crack. Start with slow heating and then gradually increase the temperature. This is especially important when using materials like quartz crucibles, which require cautious heating.

03/

Avoid Intense Expansion of Substances
Some substances expand intensely when heated, such as solid fuels and nitric acid. Be mindful of the thermal expansion properties of substances to avoid causing the crucible to crack or splash due to expansion.

04/

Avoid Sudden Cooling
After heating, avoid sudden cooling of the crucible, especially when using quartz crucibles. Place the crucible on a high-temperature resistant platform to cool down slowly after removing it from the heat source. Rapid cooling can cause the crucible to crack due to thermal expansion and contraction.

05/

Avoid External Damage to the Crucible
Take care to prevent the crucible from external impacts and collisions, which can cause it to crack. Handle the crucible carefully to avoid collisions and drops.

06/

Care for the Crucible
Crucibles are relatively fragile tools and should be maintained after use. Clean them thoroughly and store them in a dry, ventilated place to avoid moisture. When storing crucibles, ensure they are stacked securely to avoid pressure or collisions.

Order Process

Step 1: Order confirmation
First, an internal contract review will be done. We will confirm your needs, including product specifications, quantity, unit price,delivery time, etc., to ensure that the order information is accurate.

Step 2: Production evaluation and plan
We will evaluate production capacity including raw material procurement, production equipment and production personnel arrangements, and then formulate a production plan, including production schedule, procurement plan, production process, etc., to ensure that production is carried out in an orderly manner.

Step 3: Process control and product inspection
During the production process, we will conduct quality control on raw materials, production equipment, and production personnel . After the production is completed, we will conduct strict inspection and testing on the product to ensure that the product meets the specifications and quality you require.

Step 4: Packaging and delivery
When the product passes the inspection, we will pack and ship it to ensure safe and complete delivery to you.

Step 5: After-sales service
After the product is delivered, we will establish a sound after-sales service system to respond and deal with your questions and needs in a timely manner to ensure customer satisfaction.

Packaging and Shipping

Packaging	The package of our products usually includes bubble wrap, carton, pallet and wooden case, etc. Also it can be designed according to your demands.
Shipping	We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

Our Factory

Superior Ceramics Times Technology Co., Ltd. was established in 2005 and has several production plants in Taizhou, Shaoxing, etc. We also have a registered company in the United States, located at 10 ROBIN, IRVINE, CA 92604.

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Our Certificates

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FAQ

Q: Is yttria stabilized zirconia a ceramic?

A: Yttria-stabilized zirconia (YSZ) is a hard, tough structural ceramic suitable for use in high-temperature environments such as jet engines.

Q: Which is better graphite or ceramic crucible?

A: Graphite and ceramic crucibles are both used for high-temperature applications, but they have different strengths and weaknesses. Graphite crucibles excel in thermal conductivity and are ideal for metal melting, especially non-ferrous metals like gold, silver, and aluminum, due to their high-temperature resistance and low reactivity with molten metals. Ceramic crucibles, on the other hand, offer superior chemical resistance and are often preferred for applications requiring high purity or when dealing with corrosive substances.

Q: What not to do with a crucible?

A: Also, in moving crucibles to a furnace or into storage, never roll them because this damages the protective glaze. And never stack crucibles one inside the other because they will crack. Finally, never sit them directly on a concrete surface because they will absorb water on the bottom.

Q: What needs to be checked before using a crucible?

A: Before using a crucible, you should check its maximum temperature capacity, inspect for any residue, look for cracks, and ensure it is securely placed in the experimental setup. These checks help ensure safety and reliability in your experiments. Ignoring these precautions can lead to accidents or inaccurate results.

Q: What is the temperature range of a ceramic crucible?

A: Ceramic crucibles are known for their high-temperature resistance, with many capable of withstanding temperatures from 1,000°C to 1,800°C or even higher, depending on the specific ceramic material. For example, alumina (Al₂O₃) crucibles can typically handle temperatures up to 1,600°C for long-term use and can reach 1,800°C for short periods. Zirconia (ZrO₂) crucibles can handle even higher temperatures, with a recommended working temperature of 1,800°C in air and up to 2,100°C in nitrogen or vacuum.

Q: How to clean a ceramic crucible?

A: The best way to clean the crucible is to use warm water and dish soap, and then dry them using compressed air or a paper towel. Take care not to scratch the surface of the crucible as this will damage it and affect its performance.

As one of the most professional yttria ceramic crucible manufacturers and suppliers, we're featured by quality products and good price. Please rest assured to buy high-grade yttria ceramic crucible from our factory.