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Silicon nitride (Si3N4) is a compound of silicon and nitrogen. Silicon nitride has superior mechanical properties and forms a protective SiO2 skin at high temperatures. Silicon nitride is difficult to sinter by conventional means because the material dissociates above 1800oC. Products & Services
Ceramic manufacturing services for parts and assemblies made of ceramic or refractory materials.
Specialty ceramics include nitrides, borides, carbon or graphite and silicides as well as other specialized non-metallic compounds.
Ceramic balls are rolling, spherical elements that are used in check and ball valves, bearings, and other mechanical devices that provide rotary or linear motion. They can provide higher stiffness, lower thermal expansion, lighter weight, increased corrosion resistance, and higher electrical resistance than comparable steel products.
Ceramic powders and precursors contain oxides, carbides, nitrides, carbon, and other non-metals. They are usually micron or mesh-size in distribution. Ceramic powders, sol-gel solutions and precursors are fabricated through atomization, crushing, milling, precipitation, and other chemical processes.
Balls and sphere shapes are used for check or ball valves, bearings, or other applications requiring a spherical product. They are fabricated from materials such as carbides, ceramics, sapphire, metals, plastics, rubber and elastomers.
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Topics of Interest
Nitride ceramics are compounds of a metal or metalloid (Si, B) and nitrogen such as titanium nitride (TiN), silicon nitride (Si3N4), boron nitride (BN) or aluminum nitride (AlN). Nitrides are...
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SiAlON (Al2O3-Si3N4) is an alloy of silicon nitride and aluminum oxide. SiAlON has the combined properties of silicon nitride (high strength, hardness, fracture toughness, and low thermal expansion)...
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Today, valves are expected to handle increasingly difficult applications. These often involve high temperatures and pressures, combined with difficult-to-handle fluids. Therefore, the choice of...
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Silicon carbide (SiC) is a compound of silicon metalloid and oxygen usually used in the alpha silicon carbide structural form. SiC is a black, high hardness ceramic that usually is harder than...
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Thin film resonators have been made that exhibit a high degree of temperature compensation. These resonators are composed of piezoelectric aluminum nitride films, aluminum top and bottom electrodes,...
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