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Silicon carbide fibers information


Silicon carbide fibers are fibers ranging from 5[1] to 150[2] micrometres in diameter and composed primarily of silicon carbide molecules. Depending on manufacturing process, they may have some excess silicon or carbon, or have a small amount of oxygen. Relative to organic fibers and some ceramic fibers, silicon carbide fibers have high stiffness,[2] high tensile strength,[2] low weight, high chemical resistance, high temperature tolerance[dubious ] and low thermal expansion. (refs) These properties have made silicon carbide fiber the choice for hot section components in the next generation of gas turbines, e.g. the LEAP engine[3] from GE (General Electric).[4]

  1. ^ Cite error: The named reference CMH-17 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference DOD was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Oak Ridge LEAP was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference leap was invoked but never defined (see the help page).

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Silicon carbide fibers

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Silicon carbide fibers are fibers ranging from 5 to 150 micrometres in diameter and composed primarily of silicon carbide molecules. Depending on manufacturing...

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Silicon carbide

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Silicon carbide (SiC), also known as carborundum (/ˌkɑːrbəˈrʌndəm/), is a hard chemical compound containing silicon and carbon. A semiconductor, it occurs...

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Polymorphs of silicon carbide

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structures called polymorphs. Silicon carbide (SiC) is unique in this regard as more than 250 polymorphs of silicon carbide had been identified by 2006...

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Fiber

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fibers are often based on oxidized and via pyrolysis carbonized polymers like PAN, but the end product is almost pure carbon. Silicon carbide fibers,...

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Ceramic matrix composite

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porosity in the amorphous LPI, and residual silicon in the LSI-matrix. Silicon carbide fibers Silicon carbide fibers are produced via pyrolysis of organic polymers...

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Metal matrix composite

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silicon carbide) or another metal (such as steel). They are typically classified according to the type of reinforcement: short discontinuous fibers (whiskers)...

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Specific strength

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8th Edition, (c)1997, vol. 1 p 375 "Specialty Materials, Inc SCS Silicon Carbide Fibers". Archived from the original on 2018-04-04. Retrieved 2006-04-17...

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Silicon compounds

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silicon compounds is silicon carbide. Naturally occurring silicon is found in silicate and aluminosilicate minerals. One of the most common silicon compounds...

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Silicon dioxide

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Synthetic amorphous silica Vulkasil Mesoporous silica Orthosilicic acid Silicon carbide Haynes WM, ed. (2011). CRC Handbook of Chemistry and Physics (92nd ed...

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Ceramic engineering

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and silicon carbide reinforced with carbon or silicon carbide fibers. Besides many process improvements, the first of two major needs for fiber composites...

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Silicon

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specialty glasses. Silicon compounds such as silicon carbide are used as abrasives and components of high-strength ceramics. Silicon is the basis of the...

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Heat shield

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ultra-refractory ceramic matrix composites reinforced with silicon carbide fibers and carbon fibers suitable for applications in severe aerospace environments...

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Turbofan

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its Asheville, North Carolina site, mass-producing silicon carbide matrix with silicon-carbide fibers in 2018. CMCs will be used ten times more by the mid-2020s:...

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Graphene

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environment, but would include layers suspended or transferred to silicon dioxide or silicon carbide. In 1859, Benjamin Brodie noted the highly lamellar structure...

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Diesel particulate filter

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temperatures and/or low exhaust flow rates. Metal fiber cores tend to be more expensive than cordierite or silicon carbide cores, and are generally not interchangeable...

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Turbine blade

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capability. SiC/SiC composites consisting of a silicon carbide matrix reinforced by silicon carbide fibers have been shown to withstand operating temperatures...

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Polysilane

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composed of silicon atoms. They exhibit distinctive optical and electrical properties. They are mainly used as precursors to silicon carbide. The simplest...

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Zirconium diboride

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composites (UHTCMCs). Carbon fiber reinforced zirconium diboride composites show high toughness while silicon carbide fiber reinforced zirconium diboride...

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Solid

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such as alumina, boron carbide and silicon carbide have been used in bulletproof vests to repel large-caliber rifle fire. Silicon nitride parts are used...

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Acetylene

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temperatures, he produced a residue of what is now known as potassium carbide, (K2C2), which reacted with water to release the new gas. It was rediscovered...

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Ceramic

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materials, which are classified as advanced ceramics, include silicon carbide and tungsten carbide. Both are valued for their abrasion resistance and are therefore...

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Thyristor

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In recent years, some manufacturers have developed thyristors using silicon carbide (SiC) as the semiconductor material. These have applications in high...

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Sandpaper

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oxide or silicon carbide. It is common to use the name of the abrasive when describing the paper, e.g. "aluminium oxide paper", or "silicon carbide paper"...

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