Alumina ceramic (Aluminum Oxide or Al2O3) is an exnt electrical insulator and one of the most widely used advanced ceramic materials. Additionally, it is extremely resistant to wear and corrosion. Alumina components are used in a wide range of applications such as electronics, pump components and automotive sensors. UNIPRETEC offers a variety of alumina compositions, including 92% Alumina, 95% Alumina, 96% Alumina, 99% Alumina, 99.5% Alumina and 99.8% Alumina, but the 95% Alumina and 99% are the most widely used materials. Alumina components can be formed by a variety of manufacturing techniques such as uniaxial pressing, isostatic pressing, injection molding and extrusion. Finishing can be accomplished by precision grinding and lapping, laser machining and a variety of other processes.
Silicon nitrides (Si3N4) feature an exnt combination of material properties. They are nearly as light as silicon carbide (SiC), but their microstructure gives them exnt thermal shock resistance and their high fracture toughness makes them resistant to impacts and shocks.Unlike traditional ceramics that tend to be hard and brittle, Zirconia offers high strength, wear resistance, and flexibility far beyond those of most other technical ceramics.
Zirconia is a very strong technical ceramic with exnt properties in hardness, fracture toughness, and corrosion resistance; all without the most common property of ceramics – high brittleness. Its unique resistance to crack propagation and high thermal expansion make it an exnt material for joining ceramics with metals like steel. Due to Zirconia’s unique properties it is sometimes referred to as the “ceramic steelâ€.
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