Kyocera has a wide range of advanced ceramic materials to offer. Each one with its own unique characteristics designed to meet the requirements of many diverse applications. Some of the more widely used materials are described below.
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Alumina is the most widely used advanced ceramic material. It offers very good performance in terms of wear resistance, corrosion resistance and strength at a reasonable price. Its high dielectric properties are beneficial in electronic products.
Applications include armor, semiconductor processing equipment parts, faucet disc valves, seals, electronic substrates and industrial machine components.
Silicon nitride exceeds other ceramic materials in thermal shock resistance. It also offers an excellent combination of low density, high strength, low thermal expansion and good corrosion resistance and fracture toughness.
Applications include various aerospace and automotive engine components, papermaking machine wear surfaces, armor, burner nozzles and molten metal processing parts.
Silicon carbide has the highest corrosion resistance of all the advanced ceramic materials. It also retains its strength at temperatures as high as 1400°C and offers excellent wear resistance and thermal shock resistance.
Applications include armor, mechanical seals, nozzles, silicon wafer polishing plates and pump parts.
Zirconia has the highest strength and toughness at room temperature of all the advanced ceramic materials. The fine grain size allows for extremely smooth surfaces and sharp edges.
Applications include scissors, knifes, slitters, pump shafts, metal-forming tools, fixtures, tweezers, wire drawing rings, bearing sleeves and valves.
Single crystal sapphire offers superior mechanical properties and chemical stability coupled with light transmission.
Applications include GaAs carrier plates, POS scanner window, microwave plasma tubes and windows, fixtures for high temperature equipment and blue LED.