Classification of silicon carbide

Jin Lin green silicon carbide black silicon carbide and silicon carbide two commonly used the base of the varieties, are alpha SiC.

1. The black silicon carbide containing SiC by about 95%, the toughness higher than that of green silicon carbide, mostly used for processing low tensile strength of material, such as glass, ceramics, stone, refractory material, cast iron and nonferrous metal, etc.

2. Green silicon carbide containing SiC is about more than 97%, good self-sharpening, mostly used for processing hard alloy, titanium alloy and optical glass, also used for honing cylinder jacket and fine grinding HSS cutting tools.

3. There are cubic silicon carbide, it is a special process for making yellow crystals, to make the abrasive tool suitable for bearing the superfinishing, can make the surface roughness from a processing Ra32 ~ 0.16 microns to Ra0.04 ~ 0.02 microns.

 

Silicon carbide purpose

Using silicon carbide has corrosion resistance, high temperature resistance, strength, good thermal conductivity and impact resistance and other properties, silicon carbide on the one hand, can be used for all kinds of smelting furnace lining, high temperature furnaces artifacts, silicon carbide plate, plate, supports, sagger, silicon carbide crucible, etc. On the other hand can be used in non-ferrous metal smelting industry of high-temperature indirect heating, such as vertical distillation furnace, furnace distillation tray, aluminium electrolyzer, copper melting furnace lining, furnace zinc powder with arc plate, the thermocouple protection tube, etc.; Used to produce wear-resisting, corrosion resistant, high temperature resistance and other advanced silicon carbide ceramic materials; Can also make the rocket nozzle, gas turbine blades, etc. In addition, silicon carbide and highway, aviation airport runway solar water heater, etc. One of the ideal material. Using silicon carbide has corrosion resistance, high temperature resistance, strength, good thermal conductivity and impact resistance and other properties, silicon carbide on the one hand, can be used for all kinds of smelting furnace lining, high temperature furnaces artifacts, silicon carbide plate, plate, supports, sagger, silicon carbide crucible, etc.