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Country Brook Design® 1 Inch Gordon Setter Ribbon On Black Webbing
A ceramic is an inorganic, nonmetallic[a] sound material comprising material, nonmetal or metalloid atoms primarily held in ionic and covalent bonds. The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, and frequently completely amorphous (e.g., eyeglasses). Differing crystallinity and electron intake in the ionic and covalent bonds cause most ceramic materials to be good thermal and electrical power insulators (extensively investigated in ceramic engineering). With such a sizable selection of possible options for the composition/structure of a ceramic (e.g. every one of the elements practically, nearly all types of bonding, and all levels of crystallinity), the breadth of the subject is huge, and identifiable traits (e.g. hardness, toughness, electronic conductivity, etc.) are hard to specify 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 are the norm,[1] with known exceptions to each one of these rules (e.g. piezoelectric ceramics, a glass transition temperatures, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fiber, while formulated with ceramic materials, aren't considered to be part of the ceramic family.The expressed 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 reference to the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "workers of ceramics", written in Linear B syllabic script.[5] The word "ceramic" can be utilized as an adjective to describe a material, product or process, or it might be used as a noun, either singular, or, more commonly, as the plural noun "ceramics".The earliest ceramics created by humans were pottery things, including 27,000-year-old figurines, made from clay, either by itself or blended with other materials like silica, solidified, sintered, in hearth. Later ceramics were glazed and fired to produce even, colored surfaces, decreasing porosity through the use of glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include domestic, 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 such as semiconductors.Ceramic artifacts produce an important role in archaeology for understanding the culture, patterns and technology of peoples of the past. These are among the most common artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Handling 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 predicated on style, composition, manufacturing and morphology. By creating these typologies you'll be able to distinguish between different cultural styles, the purpose of the ceramic and technological state of the individuals among other conclusions. Furthermore, by looking at stylistic changes of ceramics as time passes is it possible to 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 bits.[13]The technical method of ceramic analysis entails a finer examination of the composition of ceramic artifacts and sherds to look for the way to obtain the material and through this the possible developing site. Key criteria are the composition of the clay and the temper used in the manufacture of this article under research: temper is a material added to the clay through the initial production stage, and it is utilized to aid the next drying process. Types of temper include shell parts, granite fragments and ground sherd parts called 'grog'. Temper is identified by microscopic examination of the temper material usually. Clay identification is determined by a process of refiring the ceramic, and assigning a color to it using Munsell Soil Color notation. By estimating both temper and clay compositions, and locating a region where both are known to occur, an project of the material source can be made. From the foundation assignment of the artifact further investigations can be made into the site of make.
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A ceramic is an inorganic, nonmetallic[a] sound material comprising material, nonmetal or metalloid atoms primarily held in ionic and covalent bonds. The crystallinity of ceramic materials ranges from highly oriented to semi-crystalline, and frequently completely amorphous (e.g., eyeglasses). Differing crystallinity and electron intake in the ionic and covalent bonds cause most ceramic materials to be good thermal and electrical power insulators (extensively investigated in ceramic engineering). With such a sizable selection of possible options for the composition/structure of a ceramic (e.g. every one of the elements practically, nearly all types of bonding, and all levels of crystallinity), the breadth of the subject is huge, and identifiable traits (e.g. hardness, toughness, electronic conductivity, etc.) are hard to specify 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 are the norm,[1] with known exceptions to each one of these rules (e.g. piezoelectric ceramics, a glass transition temperatures, superconductive ceramics, etc.). Many composites, such as fiberglass and carbon fiber, while formulated with ceramic materials, aren't considered to be part of the ceramic family.
The expressed 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 reference to the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "workers of ceramics", written in Linear B syllabic script.[5] The word "ceramic" can be utilized as an adjective to describe a material, product or process, or it might be used as a noun, either singular, or, more commonly, as the plural noun "ceramics".
The earliest ceramics created by humans were pottery things, including 27,000-year-old figurines, made from clay, either by itself or blended with other materials like silica, solidified, sintered, in hearth. Later ceramics were glazed and fired to produce even, colored surfaces, decreasing porosity through the use of glassy, amorphous ceramic coatings together with the crystalline ceramic substrates.[7] Ceramics now include domestic, 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 such as semiconductors.
Ceramic artifacts produce an important role in archaeology for understanding the culture, patterns and technology of peoples of the past. These are among the most common artifacts found at an archaeological site, generally by means of small fragments of broken pottery called sherds. Handling 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 predicated on style, composition, manufacturing and morphology. By creating these typologies you'll be able to distinguish between different cultural styles, the purpose of the ceramic and technological state of the individuals among other conclusions. Furthermore, by looking at stylistic changes of ceramics as time passes is it possible to 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 bits.[13]The technical method of ceramic analysis entails a finer examination of the composition of ceramic artifacts and sherds to look for the way to obtain the material and through this the possible developing site. Key criteria are the composition of the clay and the temper used in the manufacture of this article under research: temper is a material added to the clay through the initial production stage, and it is utilized to aid the next drying process. Types of temper include shell parts, granite fragments and ground sherd parts called 'grog'. Temper is identified by microscopic examination of the temper material usually. Clay identification is determined by a process of refiring the ceramic, and assigning a color to it using Munsell Soil Color notation. By estimating both temper and clay compositions, and locating a region where both are known to occur, an project of the material source can be made. From the foundation assignment of the artifact further investigations can be made into the site of make.
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