Applications of Structural Ceramic Components
With the development of structural ceramics, there are more and more industries began to use ceramics to instead other materials because of their excellent performance.
Advanced ceramic components find extensive applications across various industries due to their unique properties such as high strength, hardness, wear resistance, thermal stability, chemical inertness, and electrical insulation. Here are some specific applications and key features in different industries:
Industrial Applications
Bearings and Seals: Ceramic bearings and seals are used in high-speed machinery, pumps, and compressors due to their excellent wear resistance, high hardness, and chemical inertness.
Cutting Tools: Ceramic cutting tools are used for machining hard materials like superalloys and ceramics due to their high hardness, wear resistance, and thermal stability.
Structural Components: Advanced ceramics like silicon nitride and silicon carbide are used in high-temperature structural components due to high-temperature resistance, high strength, and low weight, such as turbine blades, engine components, and heat exchangers.
Wear-Resistant Coatings: Ceramic coatings like alumina, zirconia, and titanium nitride are applied to metal surfaces to improve wear resistance, thermal stability, and corrosion protection.
Electronics
Ceramics are used in capacitors, inductors, circuit protection devices, displays, audio systems, and various electronic components.
Insulating, semiconducting, superconducting, magnetic, and piezoelectric ceramics are indispensable in electronics.
Key features: Electrical insulation, semiconducting/superconducting properties, piezoelectricity, and thermal management.
Automotives
Functional ceramics are used in oxygen sensors, spark plugs, glow plugs, knocking sensors, PTC heaters, and fuel injection systems.
Structural ceramics are used in brake catalyst supports, pump components, and particulate filters.
Key features: High-temperature resistance, durability, wear resistance, and chemical stability.
New Energy
Solar Energy: Alumina ceramics are used in solar panels, collectors, cells, and batteries due to their high-temperature resistance, corrosion resistance, and hardness.
Fuel Cells: Ceramic components like solid electrolytes, interconnects, and seals are used in solid oxide fuel cells (SOFCs) due to their high-temperature stability and ionic conductivity.
Batteries: Ceramic solid electrolytes and separators are used in solid-state batteries, improving energy storage and decreasing combustibility.
Thermoelectric Generators: Thermoelectric ceramics are used to capture waste heat and convert it into electricity, improving energy efficiency.
Thermal Energy Storage: Porous ceramic structures are used for latent heat storage in concentrated solar power plants and other thermal energy storage applications.
Semiconductor
Ceramic components like alumina, yttria, silicon carbide, and pyrolytic boron nitride are used in harsh processing environments.
High purity ceramics with low trace metal content are used for process chambers, interior surfaces for CVD, PVD, plasma etching, and ion implantation.
Alumina and aluminum nitride are used for electrostatic chucks due to their excellent dielectric properties.
Key features: High dimensional stability, corrosion resistance, dielectric strength, and thermal conductivity.
Chemicals
Ceramic components are used in harsh chemical environments due to their chemical inertness and resistance to corrosion.
Key features: Chemical stability, corrosion resistance, and high purity.
Medicals
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