Ceramics are nonmetallic materials made by firing clay and other materials like silicates and metal oxides. Ceramics have been made since prehistoric times and the modern ceramics industry produces a wide range of structural materials and products. Key raw materials include clay minerals, feldspar, silica, and refractory materials. The manufacturing process involves preparing and grinding raw materials, shaping, drying, firing, and glazing or other finishing steps.
The document discusses different types of dental ceramics, including their compositions, properties, and applications. It describes four main categories of ceramics used in dentistry: silicate ceramics, oxide ceramics, nonoxide ceramics, and glass ceramics. The document also covers the use of ceramics in dental prosthetics like crowns, bridges, veneers, and how they can be classified based on their intended use, composition, processing method, and other properties.
Ceramics are nonmetallic materials made by firing clay and other materials like silicates and metal oxides. Ceramics have been made since prehistoric times and the modern ceramics industry produces a wide range of structural materials and products. Key raw materials include clay minerals, feldspar, silica, and refractory materials. The manufacturing process involves preparing and grinding raw materials, shaping, drying, firing, and glazing or other finishing steps.
The document discusses different types of dental ceramics, including their compositions, properties, and applications. It describes four main categories of ceramics used in dentistry: silicate ceramics, oxide ceramics, nonoxide ceramics, and glass ceramics. The document also covers the use of ceramics in dental prosthetics like crowns, bridges, veneers, and how they can be classified based on their intended use, composition, processing method, and other properties.
*contents
Ceramics (classification)
Clay products employed in building industry.
Tiles
Terracotta
Earthenware
Stoneware
Porcelain
Bricks
Manufacturing process of common tiles.
Types of common tiles used in building industries.
Characteristics of good tiles
The document discusses different types of ceramic materials and their manufacturing processes. It describes three basic types of ceramics - traditional ceramics used for clay products, new ceramics with superior properties, and glasses based on silica. It also explains various shaping processes for ceramics like slip casting, plastic forming, semi-dry pressing and dry pressing based on the water content in clay mixtures. Drying and firing processes are also summarized to provide strength and hardness to ceramic parts.
The document provides information on creating pinch pots from clay, including basic terms, construction methods, clay stages, tools, and joining techniques. It defines clay as a material made from earth, water, and fire that has plasticity, allowing it to hold shape when formed. Common construction methods for hand building with clay mentioned are pinch, coil, and slab techniques. The stages of clay include greenware, leatherhard, bone dry, bisqueware, and glazeware. Tools discussed are a fettling knife and loop tool, while joining techniques include scoring, using slip, and applying a clay bond.
The document provides information on creating pinch pots from clay, including basic ceramic terms, construction techniques, clay stages, tools used, and joining methods. It defines ceramics as clay objects that permanently retain their shape after firing, and pottery as functional ware like pots and bowls. Common construction methods for hand building with clay are pinch, coil, and slab techniques. Clay must go through stages like greenware, leatherhard, bone dry, bisqueware, and glazeware involving drying and firing. Tools include fettling knives and loop tools, while joining uses scoring, slip, and bond mixtures.
This document discusses different types of ceramic materials and their processing methods. It describes traditional ceramics which are made from natural minerals like clay and new ceramics which are synthetically produced. The key steps in processing ceramics are preparing powder raw materials, shaping using methods like slip casting or pressing, drying, and firing or sintering to bond the material. New ceramics often use more advanced shaping techniques adapted from powder metallurgy like hot pressing and require tighter control of processing parameters for their desired properties.
The document discusses recent advances in all-ceramic dental materials. It describes the evolution of ceramics from early dentures to modern machinable ceramics and lists various classification systems. Key points include methods to strengthen porcelain like thermal tempering and transformation toughening, as well as minimizing stress through design. Specific ceramic systems are outlined, like aluminous core porcelain developed by McLean and Hughes in 1965 and In-Ceram, which uses a slip-casting technique to form green ceramic shapes.
*contents
Ceramics (classification)
Clay products employed in building industry.
Tiles
Terracotta
Earthenware
Stoneware
Porcelain
Bricks
Manufacturing process of common tiles.
Types of common tiles used in building industries.
Characteristics of good tiles
The document discusses different types of ceramic materials and their manufacturing processes. It describes three basic types of ceramics - traditional ceramics used for clay products, new ceramics with superior properties, and glasses based on silica. It also explains various shaping processes for ceramics like slip casting, plastic forming, semi-dry pressing and dry pressing based on the water content in clay mixtures. Drying and firing processes are also summarized to provide strength and hardness to ceramic parts.
The document provides information on creating pinch pots from clay, including basic terms, construction methods, clay stages, tools, and joining techniques. It defines clay as a material made from earth, water, and fire that has plasticity, allowing it to hold shape when formed. Common construction methods for hand building with clay mentioned are pinch, coil, and slab techniques. The stages of clay include greenware, leatherhard, bone dry, bisqueware, and glazeware. Tools discussed are a fettling knife and loop tool, while joining techniques include scoring, using slip, and applying a clay bond.
The document provides information on creating pinch pots from clay, including basic ceramic terms, construction techniques, clay stages, tools used, and joining methods. It defines ceramics as clay objects that permanently retain their shape after firing, and pottery as functional ware like pots and bowls. Common construction methods for hand building with clay are pinch, coil, and slab techniques. Clay must go through stages like greenware, leatherhard, bone dry, bisqueware, and glazeware involving drying and firing. Tools include fettling knives and loop tools, while joining uses scoring, slip, and bond mixtures.
This document discusses different types of ceramic materials and their processing methods. It describes traditional ceramics which are made from natural minerals like clay and new ceramics which are synthetically produced. The key steps in processing ceramics are preparing powder raw materials, shaping using methods like slip casting or pressing, drying, and firing or sintering to bond the material. New ceramics often use more advanced shaping techniques adapted from powder metallurgy like hot pressing and require tighter control of processing parameters for their desired properties.
The document discusses recent advances in all-ceramic dental materials. It describes the evolution of ceramics from early dentures to modern machinable ceramics and lists various classification systems. Key points include methods to strengthen porcelain like thermal tempering and transformation toughening, as well as minimizing stress through design. Specific ceramic systems are outlined, like aluminous core porcelain developed by McLean and Hughes in 1965 and In-Ceram, which uses a slip-casting technique to form green ceramic shapes.