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Views: 0 Author: Site Editor Publish Time: 2023-04-17 Origin: Site
Zirconia powder is a type of high-quality ceramics commonly used in various fields, such as medical, aerospace, and automotive industries. It is characterized by high strength, high elastic modulus, and low thermal expansion coefficient, making it an ideal material for demanding applications.
Technological Challenges in Processing Zirconia Powder
The processing of zirconia powder is challenging due to its high melting point, low fluidity, and high refractoriness. Traditional methods of powder processing, such as ball milling, high-speed homogenizing, and spray drying, may not be effective in producing fine and uniform powders. Moreover, the processing of zirconia powder often requires the use of high temperatures and pressures, which can result in the formation of undesirable phases and particles.
Application of Zirconia Powder
Zirconia powder is widely used in medical fields, particularly in the field of dentistry. It is commonly used to form implants, dentures, and orthodontic appliances due to its high strength, wear resistance, and resistance to corrosion. In the aerospace industry, zirconia powder is used to form components for high-temperature engines and radiators due to its resistance to oxidation and heat transfer properties. In the automotive industry, zirconia powder is used to form components for brake systems, radiators, and catalytic converters due to its high resistance to corrosion and heat.
Characteristics: One of the most notable features of zirconia ceramic is its high fracture toughness,
which means that it is highly resistant to cracking and breaking under stress. This property is due to
its unique crystal structure, which enables it to transform from a tetragonal phase to a monoclinic
phase under stress, absorbing the energy and preventing the crack from propagating further.
Zirconia ceramic also has high strength, thermal shock resistance, and excellent biocompatibility,
making it suitable for medical implants and dental applications.
Applications: Zirconia ceramic structural components are used in various industries, including aerospace,
automotive, electronics, medical, and defense. In aerospace and automotive industries, zirconia ceramic
is used in engine components, such as turbochargers, exhaust gas recirculation valves, and fuel injectors,
due to its high temperature and wear resistance. In electronics, zirconia ceramic is used in insulators,
capacitors, and sensors due to its electrical insulating properties. In medical and dental applications,
zirconia ceramic is used in dental implants, artificial joints, and bone screws due to its biocompatibility
and high strength.
Dongguan Yutian New Materials Co.,Ltd., founded in 2012, is a state-certified high-tech enterprise
who specializes in researching, developing, manufacturing and marketing advanced ceramic products.
As one of the major advanced ceramics suppliers in China, we have a production base covering an
area of 8000 square meters and an innovative R&D team built of ceramic engineers and experts.
Our specialty is to design and customize special ceramics with a wide range of materials, such as
zirconia, alumina, silicon carbide, silicon nitride and aluminium nitride, to manage the unique
needs of each customer.