Silicon Nitride Ceramic Positioning Structuresmerits
Silicon nitride positioning structural components have extremely high flexural strength and fracture toughness, in complex shaped structures and thin-walled areas, can also maintain good mechanical stability. High hardness, can be in long-term friction contact, particle scouring and reciprocating movement to maintain stability, a variety of acid and alkali media and corrosive environments have excellent resistance, suitable for complex industrial environments.
Description
Advantages of Silicon Nitride Ceramic Positioning Structures
Silicon nitride ceramic parts are processed by high-precision CNC precision machining and grinding, with fine and uniform surface, reflecting the high-quality material organization after precision sintering, with obvious functional shaped characteristics. Subsequent finishing accuracy is high, suitable for high-end precision equipment.
- The main substrate structure provides overall strength and a stable mounting base.
- Center window slots are used for guiding and threading.
- Multi-stage step surfaces are designed to meet positioning, assembly and limiting requirements.
- Four-corner countersunk hole structure facilitates screw-fixed installation.
- Chamfered edge transition reduces stress concentration and improves chipping resistance.
Applications of Silicon Nitride Ceramics
Silicon nitride ceramics have excellent mechanical, thermal and electrical properties. It is also one of the most thermodynamically stable high hardness industrial ceramic materials. It is ideal for bearing parts, especially those that need to work at high temperatures and pressures. Therefore, silicon nitride ceramic products are ideal for many industries, such as:
- Rotary ball and roller bearings
- Cutting Tools
- Engine components: valves, rocker gaskets, sealing surfaces
- Induction heating coil holder
- Turbine blades, wheel blades, buckets
- Welding and brazing fixtures
- Heating Element Assemblies
- crucible
Basic Properties of Silicon Nitride Ceramics
Silicon nitride ceramics are an inorganic ceramic material. Silicon nitride is very strong, especially hot pressed silicon nitride, which is one of the hardest materials in the world. It is characterized by high strength, low density and high temperature resistance.
- Color: Gray and Gray-Black
- Density: 3.15~3.25 g/cm3
- Hardness: HRA 92~94
- Maximum operating temperature: 1300 ~1600 °C
- Thermal conductivity: 23-25 W.(MK)-1
- Flexural strength: ≥900 Mpa
- Fracture toughness: 6~8 (Mpa.m1/2)
- Coefficient of thermal expansion (0~1400℃): 2.95~3×10-6/C
Suppliers of Silicon Nitride Ceramics
To Good Ceramics is a professional ceramic supplier, we have many years of experience in producing high quality precision ceramic parts. We utilize our experienced team and in-depth knowledge of ceramic materials to create the best precision ceramic products for our customers at competitive prices.
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