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Experimenting with sgraffito inspired by Ron Philbeck
A ceramic is an inorganic, nonmetallic[a] sturdy material comprising metal, 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., spectacles). Differing crystallinity and electron intake in the ionic and covalent bonds cause most ceramic materials to be good thermal and electro-mechanical insulators (thoroughly explored in ceramic anatomist). With such a large range of possible options for the composition/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 topic is huge, and identifiable capabilities (e.g. hardness, toughness, electro-mechanical conductivity, etc.) are hard to designate for the group as a whole. 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 made up of ceramic materials, aren't regarded as area of the ceramic family.The portrayed word "ceramic comes from the Greek word ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The initial known reference to the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "staff 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 can 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, made from clay, either by itself or mixed with other materials like silica, solidified, sintered, in flames. Later ceramics were glazed and terminated to make simple, colored surfaces, lessening porosity by using glassy, amorphous ceramic coatings on top of the crystalline ceramic substrates.[7] Ceramics now include local, industrial and building products, as well as a wide range 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 individuals of the past. They are simply among the most common artifacts to be found at an archaeological site, generally in the form of small fragments of broken pottery called sherds. Processing of gathered sherds can be constant with two main types of research: technological and traditional.Traditional analysis consists of sorting ceramic artifacts, sherds and much 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 status of the social people 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 task of these parts.[13]The technical method of ceramic analysis involves a finer study of the composition of ceramic artifacts and sherds to look for the source of the materials and through this the possible creation site. Key conditions are the structure of the clay and the temper found in the make of the article under review: temper is a material added to the clay during the initial production level, and it can be used to aid the subsequent drying process. Types of temper include shell parts, granite fragments and earth sherd bits called 'grog'. Temper is usually identified 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 temper and clay 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 made into the site of produce.
Vintage Original Ron Gordon Designs, Inc. Four Piece Ceramic Cottage
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A ceramic is an inorganic, nonmetallic[a] sturdy material comprising metal, 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., spectacles). Differing crystallinity and electron intake in the ionic and covalent bonds cause most ceramic materials to be good thermal and electro-mechanical insulators (thoroughly explored in ceramic anatomist). With such a large range of possible options for the composition/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 topic is huge, and identifiable capabilities (e.g. hardness, toughness, electro-mechanical conductivity, etc.) are hard to designate for the group as a whole. 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 made up of ceramic materials, aren't regarded as area of the ceramic family.
The portrayed word "ceramic comes from the Greek word ????????? (keramikos), "of pottery" or "for pottery",[3] from ??????? (keramos), "potter's clay, tile, pottery".[4] The initial known reference to the root "ceram-" is the Mycenaean Greek ke-ra-me-we, "staff 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 can 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, made from clay, either by itself or mixed with other materials like silica, solidified, sintered, in flames. Later ceramics were glazed and terminated to make simple, colored surfaces, lessening porosity by using glassy, amorphous ceramic coatings on top of the crystalline ceramic substrates.[7] Ceramics now include local, industrial and building products, as well as a wide range 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 individuals of the past. They are simply among the most common artifacts to be found at an archaeological site, generally in the form of small fragments of broken pottery called sherds. Processing of gathered sherds can be constant with two main types of research: technological and traditional.
Traditional analysis consists of sorting ceramic artifacts, sherds and much 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 status of the social people 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 task of these parts.[13]The technical method of ceramic analysis involves a finer study of the composition of ceramic artifacts and sherds to look for the source of the materials and through this the possible creation site. Key conditions are the structure of the clay and the temper found in the make of the article under review: temper is a material added to the clay during the initial production level, and it can be used to aid the subsequent drying process. Types of temper include shell parts, granite fragments and earth sherd bits called 'grog'. Temper is usually identified 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 temper and clay 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 made into the site of produce.
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