Zirconia
Zirconia (ZrO2) is a material that offers extremely high resistance to crack propagation, unlike any other ceramic material. Their unique high thermal expansion property makes them often the choice for joining ceramic and steel, as an all-purpose construction material.
Key Properties
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Excellent mechanical properties
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Chemically inert
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High hardness
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Low thermal conductivity
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Electrical conductor at T>1000°C
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Good resistance to the attack of metals
Typical Uses
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Jewellery & luxury products
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Biomedical devices
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Biomedical implants
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Electronic equipment
3Y2O3 -ZrO2 (density: >5.99 g/cm3, purity: >99.9% )
Alumina
Alumina (Al2O3) is a fine ceramic material that is commonly used in ceramics 3D printing. With their excellent combination of properties and cost-effectiveness, they are used for a wide range of applications found in industries like medical, aerospace, and electronics.
Key Properties
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Higher working temperature
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Good mechanical strength
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Good thermal conductivity
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High electrical resistivity
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High hardness
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Good wear resistance
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Chemically inert
Typical Uses
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• Electrical insulators
• Laboratory devices
• Telecommunication equipment
• Electronic devices
• Aerospace
• Wafer processing equipment
• Refractories
Al2O3 (density: >3.85 g/cm3, purity: >99.8% purity)
Silicon Nitride
(under development)
Key Properties
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High abrasion wear and solid particle erosion resistance
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Low density
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Low coefficient of thermal expansion
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High thermal shock resistance
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Stability against most acids and bases, corrosive gases, and liquid metals
Typical Uses
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Cutting tools for the high-speed machining of hard steels and superalloys
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Heat exchangers and heat pumps for inert gas welding and brazing
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Fixtures and positioning pins
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Stationary blades and burner nozzles of gas turbines
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Dies for wire drawing
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Molds for the pressure casting of light metals
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Ladles and tundishes for the horizontal casting of steel tubes
For materials like silicon nitride, hydroxyapatite, and others