Vickers Hardness: 1400-1600 HV.
Flexural Strength: 600-800 MPa.
Fracture Toughness: 6-8 MPa·m¹/².
Density: 3.2-3.3 g/cm³.
Coefficient of Thermal Expansion: 3.0-3.5 × 10⁻⁶ /K.
Thermal Conductivity: 20-25 W/m·K.
Maximum Operating Temperature (in air): 1000℃.
Color: Blackish gray.
Product Purity: >99.9%.
Product Introduction of Silicon Nitride Guide Strips
Silicon nitride guide strips are high-performance industrial ceramic components, belonging to non-oxide ceramic materials. They are formed by the chemical bonding of silicon and nitrogen elements, with a crystal structure primarily based on covalent bonds. This special chemical structure endows silicon nitride guide strips with a series of excellent physical and chemical properties:
1. High strength and high hardness: Vickers hardness can reach 1400-1600 HV, and flexural strength is typically in the range of 600-800 MPa.
2. Excellent temperature resistance: It can withstand high temperatures up to 1000℃ in air for extended periods, and up to 1400℃ in a protective atmosphere.
3. Superior chemical stability: It exhibits excellent corrosion resistance to most acids, bases, and solvents.
4. Non-magnetic properties: Completely non-magnetic, suitable for environments sensitive to magnetic fields.
5. Low density: Approximately 3.2-3.3 g/cm³, contributing to lightweight design.
Product Features
1. High Temperature Resistance: Maintains stable mechanical properties even in high-temperature environments and exhibits strong thermal shock resistance.
2. Wear Resistance: High hardness and excellent wear resistance, suitable for high-wear environments.
3. Chemical Inertness: Exhibits excellent corrosion resistance to most chemical media.
4. Non-magnetic: Does not interfere with magnetic fields, suitable for precision electronics and medical equipment applications.
5. Self-lubricating: A stable lubricating film forms on the surface, reducing the coefficient of friction.
Application Fields
1. Mechanical Industry: Turbine blades, high-temperature bearings, mechanical sealing rings, permanent molds, etc.
2. Precision Equipment: Environments sensitive to magnetic fields, such as MRI equipment and semiconductor manufacturing equipment.
3. Chemical Equipment: Corrosion-resistant pipes, valves, pump components, etc.
4. Metallurgical Industry: High-temperature furnaces, metal processing equipment components.
5. Aerospace: Lightweight, high-strength structural components.
6. Marine Engineering: Equipment components resistant to seawater corrosion.
Supports custom specifications.
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