HC-SN (silicon nitride / Si₃N₄)
Ceramics Division

HC-SN (silicon nitride / Si₃N₄)

This is a fine- Ceramics , which offers excellent thermal shock resistance and high-temperature strength. It has low thermal expansion and offers corrosion resistance and electrical insulation, making it suitable for high-load applications.

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Summary

Excellent thermal shock resistance and high-temperature strength

  • Heater Tube

  • Protection Tube

  • Rotors, Impellers

  • Other

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Due to its low coefficient of thermal expansion, HC-SN has excellent thermal shock resistance among fne ceramics and is resistant to cracking even in harsh environments where rapid cooling and heating are repeatedly applied.
It has high bending strength at room temperature and maintains its strength even high temperature. Fracture toughness of HC-SN is also several times greater than that of alumina.
It is widely used as a molten aluminum component because of its excellent corrosion resistance to molten aluminum and high chemical stability,
It is highly rigid, lightweight, and maintains electrical insulation even at high temperatures, making it suitable for use in high-temperature and high-load environments such as engine parts, bearings, and semiconductor manufacturing equipment components.

Features and Strengths

  1. Thermal Shock Resistance

  2. Wear Resistance

  3. Corrosion Resistance to Molten Metal

  4. Electrical Insulation Properties

Examples of Uses

・Various materials for molten aluminum application (protection tube, heater tube, stalk, degassing rotor, etc)
・Bearings

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