Silicon Nitride Ceramic Positioning Blocks

Silicon Nitride Ceramic Positioning Blocksmerits

Silicon nitride ceramic flat washer is a kind of high-end industrial ceramic infrastructure components with the functions of support isolation, pressure equalization buffer, insulation protection and wear-resistant gasket, which is widely used in high-temperature equipments, semiconductor machines, vacuum systems, electronic assemblies, high-speed shaft systems, corrosion-resistant connecting mechanisms and precision jigs and fixtures. As flat washers are usually subjected to long-term axial compression, surface contact friction, thermal cycling and corrosive media, the strength of the material, dimensional stability and high-temperature performance requirements are very high, and silicon nitride ceramics have significant advantages in these areas.

Categories: 氮化硅陶瓷零件Tags: 陶瓷环, 陶瓷结构件

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Description

Description

Advantages of Silicon Nitride Ceramic Positioning Blocks

Silicon nitride ceramic positioning block is a kind of high-end industrial ceramic structural parts with both accurate positioning, guiding limit, wear-resistant support and high temperature stabilization function, although the positioning block belongs to the basic structural parts, but often directly determines the repeated assembly accuracy of the equipment, operational stability and long-term consistency, the strength of the material, dimensional stability and wear-resistant requirements are very high, and silicon nitride ceramic is particularly outstanding in these aspects.

High strength and high bending resistance
High hardness and wear resistance
Excellent high temperature resistance
Good thermal shock resistance
Corrosion-resistant and non-rusting
Highly clean and non-polluting

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.