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Ceramic Designs By Ron Green Inc. Redding, CA, United States
A ceramic can be an inorganic, nonmetallic[a] stable material comprising material, nonmetal or metalloid atoms generally held in ionic and covalent bonds. The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, and often completely amorphous (e.g., eyeglasses). Differing crystallinity and electron usage in the ionic and covalent bonds cause most ceramic materials to be good thermal and electric insulators (extensively researched in ceramic anatomist). With such a large selection of possible options for the structure/structure of any ceramic (e.g. all of the elements almost, nearly all types of bonding, and all levels of crystallinity), the breadth of the subject is huge, and identifiable qualities (e.g. hardness, toughness, electrical power conductivity, etc.) are hard to specify for the blended group all together. General properties such as high melting temperature, high hardness, poor conductivity, high moduli of elasticity, chemical resistance and low ductility will be the norm,[1] with known exceptions to each one of these rules (e.g. piezoelectric ceramics, glass transition heat range, superconductive ceramics, etc.). Many composites, such as carbon and fiberglass fiber content, while including ceramic materials, aren't regarded as area of the ceramic family.The term "ceramic originates from the Greek term ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The initial known reference to the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "personnel of ceramics", written in Linear B syllabic script.[5] The term "ceramic" may be used as an adjective to spell it out a material, product or process, or it might be used as a noun, either singular, or, more commonly, as the plural noun "ceramics".The initial ceramics made by humans were pottery items, including 27,000-year-old figurines, made from clay, either by itself or blended with other materials like silica, hardened, sintered, in flames. Ceramics were glazed and fired to generate soft later, colored surfaces, lowering porosity by using glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include home, professional and building products, as well as an array of ceramic art. Within the 20th century, new ceramic materials were developed for use in advanced ceramic anatomist, such as in semiconductors.Ceramic artifacts have an important role in archaeology for understanding the culture, habit and technology of individuals of the past. They are simply among the most typical artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Handling of gathered sherds can be steady with two main types of evaluation: technical and traditional.Traditional analysis entails sorting ceramic artifacts, sherds and larger fragments into specific types predicated on style, composition, morphology and manufacturing. By creating these typologies it is possible to distinguish between different cultural styles, the goal of the ceramic and technological state of people among other conclusions. Furthermore, by looking at stylistic changes of ceramics over time can you really separate (seriate) the ceramics into distinct diagnostic groups (assemblages). A comparison of ceramic artifacts with known dated assemblages allows for a chronological project of these pieces.[13]The technical method of ceramic analysis will involve a finer study of the composition of ceramic artifacts and sherds to look for the way to obtain the material and through this the possible manufacturing site. Key requirements are the structure of the clay and the temper used in the produce of the article under study: temper is a material put into the clay through the initial production stage, and it is employed to aid the next drying out process. Types of temper include shell pieces, granite fragments and floor sherd pieces called 'grog'. Temper is determined by microscopic examination of the temper material usually. Clay identification depends upon a process of refiring the ceramic, and assigning a color to it using Munsell Soil Color notation. By estimating both the temper and clay compositions, and locating an area where both are recognized to occur, an assignment of the materials source can be produced. From the source assignment of the artifact further investigations can be made into the site of produce.
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A ceramic can be an inorganic, nonmetallic[a] stable material comprising material, nonmetal or metalloid atoms generally held in ionic and covalent bonds. The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, and often completely amorphous (e.g., eyeglasses). Differing crystallinity and electron usage in the ionic and covalent bonds cause most ceramic materials to be good thermal and electric insulators (extensively researched in ceramic anatomist). With such a large selection of possible options for the structure/structure of any ceramic (e.g. all of the elements almost, nearly all types of bonding, and all levels of crystallinity), the breadth of the subject is huge, and identifiable qualities (e.g. hardness, toughness, electrical power conductivity, etc.) are hard to specify for the blended group all together. General properties such as high melting temperature, high hardness, poor conductivity, high moduli of elasticity, chemical resistance and low ductility will be the norm,[1] with known exceptions to each one of these rules (e.g. piezoelectric ceramics, glass transition heat range, superconductive ceramics, etc.). Many composites, such as carbon and fiberglass fiber content, while including ceramic materials, aren't regarded as area of the ceramic family.
The term "ceramic originates from the Greek term ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The initial known reference to the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "personnel of ceramics", written in Linear B syllabic script.[5] The term "ceramic" may be used as an adjective to spell it out a material, product or process, or it might be used as a noun, either singular, or, more commonly, as the plural noun "ceramics".
The initial ceramics made by humans were pottery items, including 27,000-year-old figurines, made from clay, either by itself or blended with other materials like silica, hardened, sintered, in flames. Ceramics were glazed and fired to generate soft later, colored surfaces, lowering porosity by using glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include home, professional and building products, as well as an array of ceramic art. Within the 20th century, new ceramic materials were developed for use in advanced ceramic anatomist, such as in semiconductors.
Ceramic artifacts have an important role in archaeology for understanding the culture, habit and technology of individuals of the past. They are simply among the most typical artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Handling of gathered sherds can be steady with two main types of evaluation: technical and traditional.
Traditional analysis entails sorting ceramic artifacts, sherds and larger fragments into specific types predicated on style, composition, morphology and manufacturing. By creating these typologies it is possible to distinguish between different cultural styles, the goal of the ceramic and technological state of people among other conclusions. Furthermore, by looking at stylistic changes of ceramics over time can you really separate (seriate) the ceramics into distinct diagnostic groups (assemblages). A comparison of ceramic artifacts with known dated assemblages allows for a chronological project of these pieces.[13]The technical method of ceramic analysis will involve a finer study of the composition of ceramic artifacts and sherds to look for the way to obtain the material and through this the possible manufacturing site. Key requirements are the structure of the clay and the temper used in the produce of the article under study: temper is a material put into the clay through the initial production stage, and it is employed to aid the next drying out process. Types of temper include shell pieces, granite fragments and floor sherd pieces called 'grog'. Temper is determined by microscopic examination of the temper material usually. Clay identification depends upon a process of refiring the ceramic, and assigning a color to it using Munsell Soil Color notation. By estimating both the temper and clay compositions, and locating an area where both are recognized to occur, an assignment of the materials source can be produced. From the source assignment of the artifact further investigations can be made into the site of produce.
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