Ceramic materials Ceramic materials Aluminum oxynitride (AlON) is a transparent ceramic composed of aluminum, oxygen and nitrogen. It is marketed under the name ALON™ and described in . The material remains solid up to 1200°C, and is harder than glass. When formed and polished as a window, the material currently (2005) costs about $USD10 to $USD15 per square inch. ...more on Wikipedia about "Aluminum oxynitride"
Arretine ware (also Arezzo ware and, incorrectly, Arrentine ware) is a type of fine Roman pottery coated in a red slip dating to the first centuries AD and BC. ...more on Wikipedia about "Arretine ware"
Barium titanate is an oxide of barium and titanium with the chemical formula BaTiO3. It is a displacive type ferroelectric ceramic material, with a photorefractive effect and piezoelectric properties. It has tetragonal crystal structure. Its CAS number is . It has the appearance of a white powder or transparent crystals. It is insoluble in water and soluble in concentrated sulfuric acid. Its risk and safety phrases are and . ...more on Wikipedia about "Barium titanate"
A cenosphere is a lightweight, inert, hollow sphere comprised largely of silica and alumina and filled with inert air or gas. Cenospheres are a naturally occurring by-product of the burning process at coal-fired power plants. They are produced at the high temperature of 1,500 to 1,750 degrees Celsius through complicated chemical and physical transformation. The color of cenospheres is light gray and their specific gravity is about 0.4, which gives them a great buoyancy. ...more on Wikipedia about "Cenosphere"
The word ceramic is derived from the Greek word κεραμικος (keramikos, "having to do with pottery"). The term covers inorganic non-metallic materials whose formation is due to the action of heat. Up until the 1950s or so, the most important of these were the traditional clays, made into pottery, bricks, tiles and the like, along with cements and glass. The traditional crafts are described in the article on pottery. A composite material of ceramic and metal is known as cermet. ...more on Wikipedia about "Ceramic"
Ceramic forming techniques are ways of forming ceramic shapes. This can be used to make everyday tableware, such as a teapot, to engineering ceramics such as computer parts. ...more on Wikipedia about "Ceramic forming techniques"
Chamotte is a refractory ceramic material used for lining stoves and furnaces. It has high percentage of silica and alumina. It is made by firing some kinds of fire clay. It tends to be porous and have low density. It is not a superior thermal insulator. It is similar to grog clay. ...more on Wikipedia about "Chamotte"
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The EIA Class 1 dielectric materials are ceramic dielectric materials used in ceramic capacitors of small values (typ. <5 nF). The EIA Class 1 dielectrics in general are usually based on titanate formulas (usually titanium dioxide with calcium titanate) with low or zero content of barium titanate; due to its low content, their susceptibility to microphonics is low. (Cf. EIA Class 2 dielectric.) Their dependence on temperature is linear. ...more on Wikipedia about "EIA Class 1 dielectric"
The EIA Class 2 dielectric materials are ceramic dielectric materials used in ceramic capacitors. In comparison with the EIA Class 1 dielectrics they tend to have very poor temperature drift, high dependence of capacitance on applied voltage, high voltage coefficient of dissipation factor, high frequency coefficient of dissipation, and problems with aging due to gradual change of crystal structure. Aging causes gradual exponential loss of capacitance and decrease of dissipation factor. ...more on Wikipedia about "EIA Class 2 dielectric"
While ceramics have traditionally been admired for their mechanical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy conversion and storage, electronics and automation. Such materials are now classified under Electroceramics, as distinguished from other functional ceramics such as advanced structural ceramics. ...more on Wikipedia about "Electroceramics"
Engineering ceramics are ceramic products that are used to make other products, for example, engineering ceramics are used in shuttles, cars and computers. ...more on Wikipedia about "Engineering ceramics"
A Fire brick, firebrick, or refractory brick is a block of refractory ceramic material used in lining furnaces and kilns. ...more on Wikipedia about "Fire brick"
Fire clay is a specific kind of clay used in the manufacture of ceramics. The fire attribution is given for its refractory characteristics. ...more on Wikipedia about "Fire clay"
Grog (also called firesand) is a type of pre-fired clay that has been ground and screened to a specific particle size. ...more on Wikipedia about "Grog (clay)"
High-temperature Reusable Surface Insulation (HRSI) is refractory ceramic material used as the basis of the heat shielding of the Space Shuttle. HRSI is refined from sand to form 99.8% (high purity) silica amorphous fibre. Raw HRSI must be combined with a silica-based binding agent & aqua before sintering. ...more on Wikipedia about "HRSI"
Hydroxylapatite is a naturally occurring form of calcium apatite with the formula Ca5(PO4)3(OH), but is usually written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two molecules. Hydroxylapatite is the hydroxyl endmember of the complex apatite group. The OH- ion can be replaced by fluoride, chloride or carbonate. It crystallizes in the hexagonal crystal system It has a specific gravity of 3.08 and is 5 on the Mohs hardness scale. Pure hydroxylapatite powder is white. Naturally occurring apatites can however also have brown, yellow or green colorations. Compare to the discolorations of dental fluorosis. ...more on Wikipedia about "Hydroxylapatite"
Lanthanum gallium silicate (refer to as LGS in the article), also known as langasite, has a chemical formula of , where A, B, C and D indicate particular cation sites. A is a decahedral (Thomson cube) site coordinated by 8 oxygen atoms. B is octahedral site coordinated by 6 oxygen atoms, and C and D are tetrahedral sites coordinated by 4 oxygen atoms. In this material, lanthanum occupied the A-sites, gallium the B, C and half of D-sites, and, silicon the other half of D-sites. The crystal structure is shown below: ...more on Wikipedia about "Lanthanum gallium silicate"
Lead zirconate titanate (
Macor® is a machineable glass- ceramic developed and sold by Corning Inc. It is a white material that looks somewhat like porcelain. Macor has excellent thermal characteristics, acting as an efficient insulator, and stable up to temperatures of 1000°C, with very little thermal expansion or outgassing. It can be machined into any desired shape using standard metalworking bits and tools. This combination of ease of machining and good thermal properties have made it the material of choice in many engineering contexts. ...more on Wikipedia about "Macor"
Molybdenum disilicide ( , molybdenum silicide, or MOSI2), an intermetallic compound, a silicide of molybdenum, is a refractory ceramic with primary use in heating elements. It has moderate density, melting point 2230 °C, and is electrically conductive. At high temperatures it forms a passivation layer of silicon dioxide, protecting it from further oxidation. Its CAS number is . It is a gray metallic-looking material with tetragonal crystal structure (alpha-modification); its beta-modification is hexagonal and unstable. It is insoluble in acids and soluble in nitric acid and hydrofluoric acid. ...more on Wikipedia about "Molybdenum disilicide"
Ninja rocks are broken shards of the porcelain insulators of spark plugs. Ninja rocks can quickly and almost silently fracture the glass windows on most cars. They are increasingly the tool of choice in "smash-and-grab" auto burglaries. They have no traditional association with the ninja or ninjutsu. ...more on Wikipedia about "Ninja rocks" Everybody should like shortopedia shortopedia
Nove Ware is a type of majolica, or tin-glazed earthenware. It was made in Nove, Italy, in the 18th century, mainly in a factory founded by Giovanni Battista Antonibon in 1728. Near the end of the 1700s the factory became associated with another factory, in nearby Bassano, where majolica was produced in the 1500s. Nove ware was fashioned in the Rocco style common in the 18th century, with an emphasis on light, decorative works that conformed to a sense of stylistic elegance, as opposed to the ebullient style of the baroque. ...more on Wikipedia about "Nove Ware"
Silica fume, also known as microsilica, is a byproduct of the reduction of high-purity quartz with coke in electric arc furnaces in the production of silicon and ferrosilicon alloys. Silica Fume is also collected as a byproduct in the production of other silicon alloys such as ferrochromium, ferromanganese, ferromagnesium, and calcium silicon (ACI Comm. 226 1987b). Before the mid-1970s, nearly all silica fume was discharged into the atmosphere. After environmental concerns necessitated the collection and landfilling of silica fume, it became economically justified to use silica fume in various applications. ...more on Wikipedia about "Silica fume"
Silicon carbide ( ), also known as moissanite, is a ceramic compound of silicon and carbon. ...more on Wikipedia about "Silicon carbide"
The chemical compound silicon dioxide, also known as silica, is the oxide of silicon, chemical formula Si O2. ...more on Wikipedia about "Silicon dioxide"
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