What Is Silicon Nitride Ceramic Bushing?
Product name: ceramic bushing, also known as: ceramic sheath, ceramic sleeve.
Features and uses of silicon nitride ceramic bushing:
Silicon nitride ceramic bushing have high indoor temperature bending strength. Their impact toughness value is at the upstream level. For example, the compressive strength of pressed Si3N4 reaches more than 1000MPa. The impact toughness is about 5MPa·m1/2. The characteristics of heavy calcined silicon nitride have also reached a similar level.
Additionally, the high temperature compressive strength of Si3N4 porcelain is very good. Moreover, the attenuation coefficient of 1200 °C high temperature compressive strength and indoor temperature compressive strength is not large.
Silicon nitride ceramic bushing has a series of advantages such as high strength, high heat resistance, corrosion resistance, high hardness, and high wear resistance. It also has small density, small deformation, and thermal shock resistance. Especially compared with metal, structural ceramics belong to structural ceramics.
Their quality can reach half of iron, and thus the energy-saving effect is very significant. At the same time, silicon nitride ceramics are rich in raw materials and have good processing performance. They can produce a variety of precise dimensions and complex shape parts at low cost. Furthermore, their yield is higher than other ceramic materials. The hardness is second only to diamond and boron nitride and other materials.
Silicon nitride ceramic bushings are hard and brittle and brittle, and attention should be paid to the following:
1. Avoid falling, collision, knocking and other external impacts, as these can cause chipping.
2. For posts that use external cooling water, the cooling water should be turned on before starting the pump, and then turned off after the pump is stopped. Do not connect the cooling water after the shaft sleeve has heated up during the use of the pump. This can easily cause the shaft sleeve to crack due to rapid changes in heat and cold.