Tag: zirconia

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    The Most Common Method of Producing Zirconia (ZrO2) Powder

    What is zirconia

    Zirconium Dioxide has the chemical formula ZrO2. It is zirconium's main oxide. Normal conditions result in a white, tasteless and odorless crystal. It's insoluble with water, hydrochloric or dilute sulfuric acid. Chemically, it is inactive. Its properties include high melting point and resistivity, as well as high refractive indices and low thermal expansion coefficient.

    Plasma method

    A gas is ionized significantly when heated to 3000degC and nearly completely by 5500degC. The electron flow can cause a gas to reach high temperatures when heated by resistance under an electric field. This highly dissociated and thermally conductive gas is known as plasma. Plasma cannot be produced by heating the gas. Instead, it is generally obtained through arc discharge. A plasma spray gun is the easiest plasma generator. In order to generate plasma, two electrodes are connected with a direct-current voltage. At the same time, an inert gas is passed (nitrogen, oxygen, argon or helium) between the electrodes. By using a high frequency current or short circuit, a stable DC-arc is created between the two electrodes. This causes the gas to absorb energy, forming a high-temperature flame. The zircon fine-powder sent into flames is instantly decomposed to ZrO2 in addition to SiO2, with SiO2 being evaporated, and ZrO2 separated.

    The plasma-produced high-purity ZrO2 is a unique material. Plasma ZrO2 has spherical particle size, while mZrO2 crystals have a very fine grain. The practice has shown that ZrO2 crystalline materials formed at high temperatures are very active, and this is crucial for the production of high performance ceramic materials. Also, the plasma process is continuously being improved.

    The ZrO2 high-purity produced can be adjusted to suit the customer's needs. It has a maximum ZrO2 of 99.6% and a particle size above. The high-purity ZrO2 produced is white. If the ZrO2 level is low, then it will be pale yellow or yellowish brown. Stable zirconia tends to be pale yellow. All zirconia materials mentioned above are in monoclinic phases.

    (aka. Technology Co. Ltd., a global supplier and manufacturer of high quality chemical materials with more than 12 years experience, is one of the most trusted names in the industry. Our company's ZrO2 powder is of high purity with a fine particle size. If you need lower, please Contact us.


    What is the Application Field of Zirconia

    What is zirconia, exactly?

    Zirconium dioxide, which has the chemical formula ZrO2, the main oxide of zirconium is white, tasteless and odorless crystals. It is insoluble with water, hydrochloric Acid, and dilute-sulfuric acid. It is chemically inactive. It has high melting points, high resistivity and low thermal expansion. It is an important ceramic insulating material, ceramic sunscreen and ceramic sunscreen.

    Zirconia's main application areas

    Raw materials and compounds of metal zirconium

    It is used for the production of metal zirconium or zirconium compound, as well as making refractory and crucible bricks and crucibles. The main uses of this material are piezoelectric ceramics, household ceramics and refractory materials, precious metal smelting Zirconium blocks, zirconium tubes and crucibles. This is used for the production of steel, non-ferrous and optical metals, zirconium dioxide fibres and optical glasses. It's also used in ceramic pigments, electrostatic coats, baking varnishes, and other applications. It can be used in epoxy resins to increase corrosion resistance for heat-resistant salt water.


    Zirconia fiber can be described as a polycrystalline refractory fibre material. ZrO2 has a higher service temp than other refractory fibres like mullite fiber and aluminum silicate fiber due to its high melting point, nonoxidation, and other excellent properties at high temperatures.

    Zirconia can be used in an ultra-high-temperature oxidizing environment above 1500°C for up to two years. Its maximum service temperature is at 2200°C. ZrO2's resistance to acid and alkali corrosion is superior to that of SiO2O3 and Al2O3. Insoluble in water; soluble in sulfuric and hydrofluoric acids; slightly soluble hydrochloric and nitric acids. It can be fused in alkali to create zirconate.

    Tech Co., Ltd. is a zirconia supplier that has more than 12 years experience in the field of chemical products research, development, and manufacturing. We accept credit cards, T/T and Paypal payments. We will ship goods overseas via FedEx, DHL and by air or sea to our customers.

    Contact Us to receive a quote if you are interested in high quality Zirconia.


    What is zirconia toughened alumina?

    What is Zirconia Toughened Alumina? The zirconia toughened an alumina (ZTA), is composed of zirconia & alumina. Zirconia, an oxide of zircon, is commonly added to materials due to its strength. Zirconia toughened Alumina generally has a zirconia proportion between 1/10 to 1/5. You can adjust the ratio to fit the specific product. ZTA ceramics provide the ideal balance between value and price. ZTA ceramics offer superior value than regular alumina. ZTA products also cost less than pure zirconia.

    Different between ZTA and ATZ
    Although zirconia hardened alumina (ZTA), and alumina toughened Zirconia(ATZ) both use the same raw materials it is crucial not to mix the two. Alumina toughened zirconia, (ATZ), has a low ratio of alumina and zirconia. Zirconia hardened alumina is (ZTA), and the reverse holds true.

    ZTA properties
    One of the best characteristics of zirconia-toughened alumina is their high mechanical strength. This is due to a process known as stress-induced Phase Transformation toughening. At room temperature the zirconia toughened Alumina's density is approximately 4.3g/cm3.
    High heat resistance makes this material suitable for use in high-speed grinding machines. Zirconia hardened alumina's maximum working temperature is 1923K. The thermal expansion coefficient of the zirconia toughened aluminum is 8.1 x 10, which is (--6) C. (-). Additionally, the Poisson’s ratio, bending force, and elasticity of zirconia hardened alumina is 0.26130 ksi.

    What advantages does Zirconia-toughened Alumina offer?
    Its versatility is what makes zirconia hardening alumina so valuable. The first is that zirconia hardened alumina can resist temperatures as high as 1773 K. This makes them an ideal choice to manufacture equipment capable of enduring these extreme temperatures. Alumina zirconia hardened has a higher resistance to corrosion than normal alumina. This makes it extremely durable.

    Additionally, the surface of zirconia-toughened alumina is smoother than that of ordinary alumina. You can use it for parts of equipment that are susceptible to wear due to friction. A cost-effective alternative to pure zirconia is zirconia toughened aluminum. It is less expensive than normal zirconia and is more efficient than ordinary alumina. These materials can also be used in biocompatible applications. They have no side effects on human bodies.

    ZTA uses
    Valve Seal
    Valve seals must be durable when choosing materials. Material durability is important. This standard is met by Zirconia-toughened Alumina and it's commonly used to seal valves.

    One characteristic of zirconia-toughened alumina is their biocompatibility. The composites can also be hardened and bend well. The zirconia toughened aluminum is an ideal material for joint replacement. Because it is biocompatible, it won't cause injury to the body. Its toughness means that it can withstand the body's weight. It's used in hip replacement surgery.

    Cutting instrument
    Zirconia hardened alumina from zirconium is wear-resistant and heat-stable. It also has friction resistance. It is an excellent material for cutting tools because of these properties. These materials are less costly than those used in cutting tools like diamonds.

    Grinder wheel
    A grinder's most important component is the grinding wheel. Most grinding wheels are made from composite materials. Composite materials used in the manufacture of them include zirconia hardened alumina. It's strong enough to be used in this way. It's also strong and can be self-sharpening.

    Immediate tooth
    Due to its biocompatibility zirconia toughened is alumina, it's commonly used for dental implant manufacturing. Alumina that is zirconia-toughened by zirconia can also be corroded easily. Zirconia dental implants can be made without any harm by being moistened with alumina.

    Bushings are used to fill in the spaces between these two components. A type of bearing. A finish is often applied to zirconia toughened aluminum. It's an excellent bushing. A further reason why it's used for bushings is its high friction resistance.

    ZrO2 Prices
    Price is affected by many things, such as the demand and supply in the market and industry trends. Economic activity. Unexpected events.
    Send us an inquiry if you want to know the current ZrO2 cost. (brad@ihpa.net)

    ZrO2 supplier
    Technology Co. Ltd. (), is a trustworthy ZrO2 manufacturer, and ZrO2 provider. We have over twelve years' experience. All of our products are available for shipment worldwide.

    Feel free to email us to request high-quality ZrO2 Powder. (brad@ihpa.net)

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