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Ceramic “Dixie” cup from Dutch designer Rob Brandt : LaRive
A ceramic can be an inorganic, nonmetallic[a] stable material comprising material, nonmetal or metalloid atoms mainly 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 (thoroughly researched in ceramic anatomist). With such a big selection of possible options for the composition/structure of a ceramic (e.g. all of the elements nearly, all types of bonding nearly, and all levels of crystallinity), the breadth of the topic is great, and identifiable attributes (e.g. hardness, toughness, electrical power conductivity, etc.) are hard to designate for the 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 of these rules (e.g. piezoelectric ceramics, goblet transition heat, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fibre, while made up of ceramic materials, aren't regarded as area of the ceramic family.The word "ceramic originates 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 main "ceram-" is the Mycenaean Greek ke-ra-me-we, "workers of ceramics", written in Linear B syllabic script.[5] The term "ceramic" can be utilized as an adjective to describe a material, process or product, or it may 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, created from clay, either alone or blended with other materials like silica, hardened, sintered, in flame. Ceramics were glazed and terminated to make clean later, colored surfaces, reducing porosity by using glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include domestic, 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 anatomist, such just as semiconductors.Ceramic artifacts own an important role in archaeology for understanding the culture, patterns and technology of peoples of days gone by. They are really among the most typical artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Handling of collected sherds can be consistent with two main types of research: specialized and traditional.Traditional analysis consists of sorting ceramic artifacts, sherds and much larger fragments into specific types based on style, composition, manufacturing and morphology. By creating these typologies you'll be able to distinguish between different cultural styles, the goal of the ceramic and technological state of individuals among other conclusions. In addition, by looking at stylistic changes of ceramics over time can you really separate (seriate) the ceramics into distinct diagnostic groups (assemblages). An evaluation of ceramic artifacts with known dated assemblages allows for a chronological assignment of these pieces.[13]The technical method of ceramic analysis involves a finer study of the structure of ceramic artifacts and sherds to look for the way to obtain the material and through this the possible processing site. Key criteria are the structure of the clay and the temper used in the manufacture of this article under analysis: temper is a material put into the clay during the initial production level, and it is used to aid the next drying process. Types of temper include shell parts, granite fragments and floor sherd pieces called 'grog'. Temper is usually recognized by microscopic examination of the temper material. Clay identification depends upon an activity of refiring the ceramic, and assigning a color to it using Munsell Soil Color notation. By estimating both the clay and temper compositions, and locating a region where both are recognized to occur, an task of the materials source can be made. From the foundation task of the artifact further investigations can be produced into the site of produce.
EUGENE HŐN : CERAMIC ARTIST: Contemporary art and design In China
Ceramic “Dixie” cup from Dutch designer Rob Brandt : LaRive
EUGENE HŐN : CERAMIC ARTIST: Contemporary art and design In China
Ceramic “Dixie” cup from Dutch designer Rob Brandt : LaRive
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A ceramic can be an inorganic, nonmetallic[a] stable material comprising material, nonmetal or metalloid atoms mainly 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 (thoroughly researched in ceramic anatomist). With such a big selection of possible options for the composition/structure of a ceramic (e.g. all of the elements nearly, all types of bonding nearly, and all levels of crystallinity), the breadth of the topic is great, and identifiable attributes (e.g. hardness, toughness, electrical power conductivity, etc.) are hard to designate for the 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 of these rules (e.g. piezoelectric ceramics, goblet transition heat, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fibre, while made up of ceramic materials, aren't regarded as area of the ceramic family.
The word "ceramic originates 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 main "ceram-" is the Mycenaean Greek ke-ra-me-we, "workers of ceramics", written in Linear B syllabic script.[5] The term "ceramic" can be utilized as an adjective to describe a material, process or product, or it may be used as a noun, either singular, or, additionally, as the plural noun "ceramics".
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