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A ceramic can be an inorganic, nonmetallic[a] stable material comprising steel, nonmetal or metalloid atoms held in ionic and covalent bonds primarily. The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, and frequently completely amorphous (e.g., glasses). Varying crystallinity and electron intake in the ionic and covalent bonds cause most ceramic materials to be good thermal and electro-mechanical insulators (extensively researched in ceramic executive). With such a large range of possible options for the structure/structure of an ceramic (e.g. all of the elements nearly, all sorts of bonding practically, and all degrees of crystallinity), the breadth of the subject is vast, and identifiable features (e.g. hardness, toughness, electric powered conductivity, etc.) are hard to identify for the merged 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, wine glass transition heat range, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fibre, while formulated with ceramic materials, aren't regarded as part of the ceramic family.The portrayed expression "ceramic comes from the Greek term ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The earliest known mention of the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "personnel of ceramics", written in Linear B syllabic script.[5] The word "ceramic" may be used as an adjective to describe a material, product or process, or it might be used as a noun, either singular, or, additionally, as the plural noun "ceramics".The initial ceramics created by humans were pottery objects, including 27,000-year-old figurines, made from clay, either by itself or blended with other materials like silica, solidified, sintered, in flames. Ceramics were glazed and terminated to create easy later, colored surfaces, reducing porosity by using glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include home, industrial and building products, as well as an array of ceramic art. Within the 20th hundred years, new ceramic materials were developed for use in advanced ceramic engineering, such as with semiconductors.Ceramic artifacts provide an important role in archaeology for understanding the culture, technology and tendencies of individuals of the past. They are among the most frequent artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Processing of gathered sherds can be consistent with two main types of analysis: specialized and traditional.Traditional analysis involves sorting ceramic artifacts, sherds and larger fragments into specific types based on style, composition, morphology and manufacturing. By creating these typologies you'll be able to distinguish between different cultural styles, the purpose of the ceramic and technological status of the communal people among other conclusions. Furthermore, by looking at stylistic changes of ceramics as time passes can you really separate (seriate) the ceramics into distinct diagnostic groups (assemblages). A comparison of ceramic artifacts with known dated assemblages permits a chronological project of these items.[13]The technical method of ceramic analysis requires a finer study of the structure of ceramic artifacts and sherds to look for the source of the material and through this the possible processing site. Key standards are the composition of the clay and the temper found in the manufacture of the article under review: temper is a materials added to the clay during the initial production level, and it can be used to aid the next drying out process. Types of temper include shell parts, granite fragments and ground sherd portions called 'grog'. Temper is usually recognized by microscopic examination of the temper material. Clay identification is determined by an activity 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 a region where both are known to occur, an task of the material source can be produced. From the foundation project of the artifact further investigations can be produced in to the site of make.
Home Page / Iznik Ceramics / Iznik Ceramic Plates
Home Page / Iznik Ceramics / Iznik Ceramic Plates
Home Page / Iznik Ceramics / Iznik Ceramic Plates
Home Page / Iznik Ceramics / Iznik Ceramic Plates
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A ceramic can be an inorganic, nonmetallic[a] stable material comprising steel, nonmetal or metalloid atoms held in ionic and covalent bonds primarily. The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, and frequently completely amorphous (e.g., glasses). Varying crystallinity and electron intake in the ionic and covalent bonds cause most ceramic materials to be good thermal and electro-mechanical insulators (extensively researched in ceramic executive). With such a large range of possible options for the structure/structure of an ceramic (e.g. all of the elements nearly, all sorts of bonding practically, and all degrees of crystallinity), the breadth of the subject is vast, and identifiable features (e.g. hardness, toughness, electric powered conductivity, etc.) are hard to identify for the merged 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, wine glass transition heat range, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fibre, while formulated with ceramic materials, aren't regarded as part of the ceramic family.
The portrayed expression "ceramic comes from the Greek term ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The earliest known mention of the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "personnel of ceramics", written in Linear B syllabic script.[5] The word "ceramic" may be used as an adjective to describe a material, product or process, or it might be used as a noun, either singular, or, additionally, as the plural noun "ceramics".
The initial ceramics created by humans were pottery objects, including 27,000-year-old figurines, made from clay, either by itself or blended with other materials like silica, solidified, sintered, in flames. Ceramics were glazed and terminated to create easy later, colored surfaces, reducing porosity by using glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include home, industrial and building products, as well as an array of ceramic art. Within the 20th hundred years, new ceramic materials were developed for use in advanced ceramic engineering, such as with semiconductors.
Ceramic artifacts provide an important role in archaeology for understanding the culture, technology and tendencies of individuals of the past. They are among the most frequent artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Processing of gathered sherds can be consistent with two main types of analysis: specialized and traditional.
Traditional analysis involves sorting ceramic artifacts, sherds and larger fragments into specific types based on style, composition, morphology and manufacturing. By creating these typologies you'll be able to distinguish between different cultural styles, the purpose of the ceramic and technological status of the communal people among other conclusions. Furthermore, by looking at stylistic changes of ceramics as time passes can you really separate (seriate) the ceramics into distinct diagnostic groups (assemblages). A comparison of ceramic artifacts with known dated assemblages permits a chronological project of these items.[13]The technical method of ceramic analysis requires a finer study of the structure of ceramic artifacts and sherds to look for the source of the material and through this the possible processing site. Key standards are the composition of the clay and the temper found in the manufacture of the article under review: temper is a materials added to the clay during the initial production level, and it can be used to aid the next drying out process. Types of temper include shell parts, granite fragments and ground sherd portions called 'grog'. Temper is usually recognized by microscopic examination of the temper material. Clay identification is determined by an activity 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 a region where both are known to occur, an task of the material source can be produced. From the foundation project of the artifact further investigations can be produced in to the site of make.
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