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A ceramic is an inorganic, nonmetallic[a] solid material comprising steel, nonmetal or metalloid atoms held in ionic and covalent bonds primarily. The crystallinity of ceramic materials ranges from oriented to semi-crystalline highly, and frequently completely amorphous (e.g., glasses). Differing crystallinity and electron intake in the ionic and covalent bonds cause most ceramic materials to be good thermal and electro-mechanical insulators (thoroughly investigated in ceramic engineering). With such a huge range of possible options for the structure/structure of an ceramic (e.g. almost all of the elements, nearly all types of bonding, and all degrees of crystallinity), the breadth of the topic is great, and identifiable capabilities (e.g. hardness, toughness, electrical conductivity, etc.) are hard to designate for the mixed group all together. General properties such as high melting temperature, high hardness, poor conductivity, high moduli of elasticity, chemical resistance and low ductility are the norm,[1] with known exceptions to each one of these rules (e.g. piezoelectric ceramics, goblet transition temperature, superconductive ceramics, etc.). Many composites, such as carbon and fiberglass dietary fiber, while filled with ceramic materials, aren't considered to be area of the ceramic family.The portrayed phrase "ceramic comes from the Greek phrase ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The earliest known mention of the main "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 spell it out a material, process or product, or it might be used as a noun, either singular, or, more commonly, as the plural noun "ceramics".The initial ceramics created by humans were pottery items, including 27,000-year-old figurines, created from clay, either alone or mixed with other materials like silica, hardened, sintered, in hearth. Later ceramics were glazed and terminated to generate even, colored surfaces, decreasing porosity through the use of glassy, amorphous ceramic coatings on top of the crystalline ceramic substrates.[7] Ceramics now include home, industrial and building products, as well as a wide range of ceramic art. Inside the 20th century, new ceramic materials were developed for use in advanced ceramic executive, such as in semiconductors.Ceramic artifacts provide an important role in archaeology for understanding the culture, patterns and technology of individuals of the past. These are among the most typical artifacts to be found at an archaeological site, generally in the form of small fragments of broken pottery called sherds. Handling of accumulated sherds can be consistent with two main types of evaluation: specialized and traditional.Traditional analysis includes sorting ceramic artifacts, sherds and larger fragments into specific types based 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 point out of the sociable 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). An evaluation of ceramic artifacts with known dated assemblages permits a chronological project of these pieces.[13]The technical method of ceramic analysis involves 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 creation site. Key conditions are the structure of the clay and the temper used in the production of the article under review: temper is a materials put into the clay during the initial production level, and it is used to aid the next drying out process. Types of temper include shell items, granite fragments and floor sherd items called 'grog'. Temper is usually discovered 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 an area where both are recognized to occur, an project of the materials source can be produced. From the source assignment of the artifact further investigations can be made in to the site of produce.
Ceramic apples Design and Technology Damp;T Food Tech amp; nutrition
TM Designs Floored Group
TM Designs Floored Group
range other people my work is designed to be functional yet playful
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A ceramic is an inorganic, nonmetallic[a] solid material comprising steel, nonmetal or metalloid atoms held in ionic and covalent bonds primarily. The crystallinity of ceramic materials ranges from oriented to semi-crystalline highly, and frequently completely amorphous (e.g., glasses). Differing crystallinity and electron intake in the ionic and covalent bonds cause most ceramic materials to be good thermal and electro-mechanical insulators (thoroughly investigated in ceramic engineering). With such a huge range of possible options for the structure/structure of an ceramic (e.g. almost all of the elements, nearly all types of bonding, and all degrees of crystallinity), the breadth of the topic is great, and identifiable capabilities (e.g. hardness, toughness, electrical conductivity, etc.) are hard to designate for the mixed group all together. General properties such as high melting temperature, high hardness, poor conductivity, high moduli of elasticity, chemical resistance and low ductility are the norm,[1] with known exceptions to each one of these rules (e.g. piezoelectric ceramics, goblet transition temperature, superconductive ceramics, etc.). Many composites, such as carbon and fiberglass dietary fiber, while filled with ceramic materials, aren't considered to be area of the ceramic family.
The portrayed phrase "ceramic comes from the Greek phrase ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The earliest known mention of the main "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 spell it out a material, process or product, or it might be used as a noun, either singular, or, more commonly, as the plural noun "ceramics".
The initial ceramics created by humans were pottery items, including 27,000-year-old figurines, created from clay, either alone or mixed with other materials like silica, hardened, sintered, in hearth. Later ceramics were glazed and terminated to generate even, colored surfaces, decreasing porosity through the use of glassy, amorphous ceramic coatings on top of the crystalline ceramic substrates.[7] Ceramics now include home, industrial and building products, as well as a wide range of ceramic art. Inside the 20th century, new ceramic materials were developed for use in advanced ceramic executive, such as in semiconductors.
Traditional analysis includes sorting ceramic artifacts, sherds and larger fragments into specific types based 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 point out of the sociable 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). An evaluation of ceramic artifacts with known dated assemblages permits a chronological project of these pieces.[13]The technical method of ceramic analysis involves 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 creation site. Key conditions are the structure of the clay and the temper used in the production of the article under review: temper is a materials put into the clay during the initial production level, and it is used to aid the next drying out process. Types of temper include shell items, granite fragments and floor sherd items called 'grog'. Temper is usually discovered 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 an area where both are recognized to occur, an project of the materials source can be produced. From the source assignment of the artifact further investigations can be made in to the site of produce.
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