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EUGENE HŐN : CERAMIC ARTIST: Contemporary art and design In China
A ceramic is 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., eyeglasses). Differing crystallinity and electron utilization in the ionic and covalent bonds cause most ceramic materials to be good thermal and electro-mechanical insulators (extensively investigated in ceramic engineering). With such a big selection of possible options for the structure/structure of a ceramic (e.g. almost all of the elements, all types of bonding practically, and all degrees of crystallinity), the breadth of the subject is great, and identifiable attributes (e.g. hardness, toughness, electric conductivity, etc.) are hard to identify 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 will be the norm,[1] with known exceptions to each of these rules (e.g. piezoelectric ceramics, a glass transition temp, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fibers, while formulated with ceramic materials, aren't regarded as part of the ceramic family.The word "ceramic comes from the Greek word ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The earliest known reference to the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "individuals of ceramics", written in Linear B syllabic script.[5] The word "ceramic" can be utilized 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 made by humans were pottery objects, including 27,000-year-old figurines, created from clay, either by itself or mixed with other materials like silica, solidified, sintered, in open fire. Later ceramics were glazed and terminated to make easy, colored surfaces, lowering porosity by using glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include home, commercial 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 executive, such as with semiconductors.Ceramic artifacts come with an important role in archaeology for understanding the culture, habit and technology of peoples of days gone by. They are among the most common artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Processing of accumulated sherds can be steady with two main types of research: specialized and traditional.Traditional analysis will involve sorting ceramic artifacts, sherds and greater 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 state of the people among other conclusions. In addition, 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 entails a finer study of the composition of ceramic artifacts and sherds to determine the source of the materials and through this the possible manufacturing site. Key standards are the composition of the clay and the temper found in the produce of the article under review: temper is a material put into the clay during the initial production level, and it is utilized to aid the next drying out process. Types of temper include shell items, granite fragments and surface 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 clay and temper compositions, and locating an area where both are recognized to occur, an project of the materials source can be produced. From the source project of the artifact further investigations can be produced into the site of produce.
design ceramics forms ceramic vase ceramics association ceramic art
Paul Eshelman Casseroles, shown in our gallery at The Society of Arts
Ceramic “Dixie” cup from Dutch designer Rob Brandt : LaRive
EUGENE HŐN : CERAMIC ARTIST: Contemporary art and design In China
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A ceramic is 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., eyeglasses). Differing crystallinity and electron utilization in the ionic and covalent bonds cause most ceramic materials to be good thermal and electro-mechanical insulators (extensively investigated in ceramic engineering). With such a big selection of possible options for the structure/structure of a ceramic (e.g. almost all of the elements, all types of bonding practically, and all degrees of crystallinity), the breadth of the subject is great, and identifiable attributes (e.g. hardness, toughness, electric conductivity, etc.) are hard to identify 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 will be the norm,[1] with known exceptions to each of these rules (e.g. piezoelectric ceramics, a glass transition temp, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fibers, while formulated with ceramic materials, aren't regarded as part of the ceramic family.
The word "ceramic comes from the Greek word ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The earliest known reference to the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "individuals of ceramics", written in Linear B syllabic script.[5] The word "ceramic" can be utilized 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 made by humans were pottery objects, including 27,000-year-old figurines, created from clay, either by itself or mixed with other materials like silica, solidified, sintered, in open fire. Later ceramics were glazed and terminated to make easy, colored surfaces, lowering porosity by using glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include home, commercial 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 executive, such as with semiconductors.
Ceramic artifacts come with an important role in archaeology for understanding the culture, habit and technology of peoples of days gone by. They are among the most common artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Processing of accumulated sherds can be steady with two main types of research: specialized and traditional.
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