Silicon carbide ceramic foam is an adaptable cellular ceramic material with numerous uses, boasting properties like light weight, high strength and corrosion resistance – not to mention excellent molding processing performance.
Foamed silicon carbide ceramics are widely utilized to strengthen combustion in chemical industrial furnaces, using steam generators, radiation burners, and high-pressure adiabatic burners with their special network structures and superior heat transfer coefficient.
Lightweight
Silicon carbide ceramics’ foam-like structure makes it an incredibly lightweight and user-friendly material, ideal for many applications requiring lightweight solutions with easy handling. Their light weight is especially advantageous in aerospace where space and weight constraints play a critical role. Furthermore, silicon carbide ceramics offer resistance against corrosion as well as superior thermal conductivity properties.
Foam SIC can also be found in chemical industrial furnaces for improving combustion processes, cooling applications and filtering molten metals and alloys as well as heat transfer and insulation purposes. Due to its low pressure level, large heat exchange area and unique spatial network structure it makes Foam SIC ideal for electronic component cooling materials, fluidized bed bottom plates, humidifiers, boiling water systems, microbial carriers as well as other applications.
Ceramic foam comes in various sizes, shapes and pore sizes to meet your specific requirements. Crafted with polyurethane (PU), ceramic foam offers excellent thermal stability, chemical inertness and mechanical strength for your specific application. You can customize its specifications exactly and it also boasts excellent chemical and thermal shock resistance properties.
High strength
Foam ceramics are three-dimensional porous ceramic materials with a three-dimensional network structure, featuring low density, high porosity, large specific surface area, selective permeability for liquid and gas media, good energy absorption/pressure resistance properties as well as thermal, electrical, magnetic optical chemical functions – which make foamed silicon carbide one of the most promising inorganic high temperature materials at present.
Foamed SiC ceramics boast outstanding molding processing capabilities, such as easy cutting with diamond tools and shape changes by changing processing conditions. Furthermore, these ceramics boast high porosity levels, thermal conductivity, mechanical strength, oxidation resistance, corrosion resistance, uneven surfaces with numerous micropores providing unique network structures which increase contact area between phases.
Foam ceramics are well suited to applications in the metallurgical industry, where they can be used for purifying metal solutions and filtering molten metal to remove nonmetallic inclusions and improve casting qualifications. Furthermore, foam ceramics help reduce turbulent levels in molten metal which could otherwise lead to surface defects on castings.
High temperature resistance
Silicon carbide foam ceramic filters have many applications in the casting industry. They are effective at removing impurities and improving product quality by decreasing defective castings. Furthermore, these energy saving filters are economical to operate while remaining safe and hygienic – all qualities necessary for their optimal performance. Regular maintenance must be conducted to maintain them for optimum results.
Foam ceramics feature three-dimensional network structures with uniform porosity distribution, high porosity, small relative density and selective permeation to liquid and gas media, strong mechanical strength and pressure resistance, as well as superior thermal conductivity, thermal shock resistance and low thermal expansion rate. They also exhibit thermal shock resistance.
Cryogenic grade aluminum offers exceptional resistance to corrosion and mechanical properties that make it the perfect material for metal lining applications in machinery and metallurgy applications. Plus, its versatility means it can be tailored for different sizes and shapes to suit various applications – including heat exchangers, insulators and chemical catalyst carriers – and its high temperature stability allows it to withstand extreme temperatures as well as thermal shocks without incurring significant damage.
Corrosion resistance
Silicon carbide foam is highly resistant to chemical corrosion, making it the ideal material for applications involving molten metals such as copper casting. By eliminating nonmetallic inclusions and purifying the metal solution, foam ceramic filtration can significantly decrease nonrejects while simultaneously improving casting quality and scrap rates. Foam ceramic filtration may even help decrease rejection rates through copper casting!
Silicon Carbide Ceramic Foam comes in various sizes, shapes and thicknesses to meet various applications. With its porous structure, this foam offers versatile gas and liquid filtration while its low relative density and high specific surface area allow for greater permeability and selectivity. Furthermore, this material also boasts exceptional mechanical strength – crucial when used for load-bearing applications.
Foam ceramics can be manufactured using various processes, including direct foaming, gel-casting and sacrificial templates. Foam ceramics can also be used as catalyst carriers in automobile exhaust gas purifiers where they provide excellent air permeability and selectivity with a controlled specific surface area. Foam ceramics may also be coated with specific adsorbents or catalytically active materials to further increase performance as catalyst carriers and are easily regenerated over a wide temperature range.
Easy regeneration
Foam ceramic filtration products can significantly decrease turbulence during the casting process and improve casting quality, while simultaneously eliminating nonmetallic inclusions from alloy. By doing so, they increase qualified rate casting rates while simultaneously increasing mechanical properties of metals. Furthermore, b-SiC foam has excellent thermal stability which enables it to be regenerated without damaging its structure.
Foamed SIC ceramics boast superior corrosion resistance and electrically heating capability, making them an excellent solution for heating corrosive fluids in construction departments and semiconductor fields. Foamed SIC ceramics can also be electrically heated to make them suitable for heat exchangers, electronic component materials heat treatment facilities, mobile bed floors, humidifiers, boiling water systems, microbial carriers and humidifiers due to their high porosity, low pressure requirement, large heat transfer area and unique spatial network structure.
b-SiC foams are created using either physical or chemical blowing methods, with their porous structures then sintered together to form solid parts. Their fabrication can take many shapes and sizes depending on application; lightweight yet highly resilient against vibrations and thermal shocks, b-SiC is an exceptional material choice that should not be underestimated!