Silicon Carbide Ceramic Foam Filters

Silicon Carbide Ceramic Foam Filters

Silicon Carbide Ceramic Foam Filters

Silicon Carbide Ceramic Foam Filters

Silicon Carbide Ceramic Foam Filters have excellent strength and high temperature impact resistance and chemical corrosion. It can withstand high temperatures up to about 1560 °C.
They are therefore suitable for the casting of all copper alloys and cast iron.
The ceramic foam filter can significantly improve the quality of cast iron parts and reduce the scrap rate. It can also be used in the continuous casting and rolling process, and can be manufactured to all standard sizes and different thicknesses.

The basic materials of the ceramic foam filter are three kinds of silicon carbide, zirconium oxide and aluminum oxide.

The foam ceramic filter has excellent filtering effect on copper water or aluminum water, and utilizes a three-dimensional structure to effectively remove oxide inclusions and other non-metallic inclusions by blocking capture adsorption.
Whether it is gray iron, ductile iron or shaft body, cylinder or complex large parts, precision metal parts are filtered, the product quality will get satisfactory results.

Silicon Carbide Ceramic Foam Filters

Silicon Carbide Ceramic Foam Filters Application
The foam ceramic filter is also suitable for copper alloys such as copper, bronze, brass, etc., to reduce the turbulence of the copper liquid and to rectify and purify the molten copper liquid.
Particularly valuable is that the copper castings that have been purified by filtration have a significant life extension in high-demand or harsh environments such as turbines and chemical parts of marine vessels, and have good effects on cast copper parts with surface polishing requirements.
3. Foam ceramic filters also play an important role in the traditional copper industry and electric and electronic copper industry and continuous casting and rolling processes.
Since copper and alloys, including zinc alloys, have a greater specific gravity and produce greater thermal shock during casting, the use of silicon carbide foam ceramic filters in the copper casting process is generally strictly sized.

Ceramic Foam Filter Material
The basic material of the zirconia foam ceramic filter is zirconia ZrO2. The zirconia filter has a heat resistance temperature higher than about 1760 ° C and has a very high strength and an excellent high temperature impact force.
Cast steel parts are widely used in applications that require high strength and elongation requirements. Therefore, steel castings are very sensitive to defects caused by impurities.
The excellent characteristics of the zirconia foam ceramic filter can effectively remove the impurities that ultimately lead to product quality defects. The impurities are mainly composed of non-metal particles, slag, and refractory fragments, which improve the surface quality and mechanical properties of the casting and reduce the scrap rate.
The zirconia foam ceramic filter can make the molten steel more evenly fill the cavity, and the molten metal has a higher turbulent tendency during casting. The turbulent flow of the three-dimensional pore structure of the zirconia foam ceramic filter is finally converted into a very stable layer. flow.
The laminar flow fills the cavity better, which reduces the impact corrosion of the metal solution on the casting cavity and significantly reduces the reject rate.

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