Ceramic
Ceramic (səˈramik)
Ceramic is a broad term that encompasses a wide range of materials that are hard, brittle, heat-resistant, and corrosion-resistant due to their unique crystalline structure. These materials are typically made by taking mixtures of clay, earthen elements, powders, and water and shaping them into desired forms. Once the ceramic has been shaped, it is fired in a high temperature oven known as a kiln.
Etymology
The word "ceramic" comes from the Greek word "κεραμικός" (keramikos), meaning "pottery", which is derived from the word "κέραμος" (keramos), meaning "potter's clay". The earliest known mention of the word "ceramic" in English was in 1850.
Types of Ceramics
There are three basic categories of ceramics: earthenware, stoneware, and porcelain.
- Earthenware is the simplest and oldest form of ceramic. It is made from clay and can be easily shaped and fired at low temperatures.
- Stoneware is a type of ceramic that is fired at high temperatures and is very strong and durable. It is often used for dishes, pots, and other kitchenware.
- Porcelain is a type of ceramic that is made from a special type of clay called kaolin. It is fired at very high temperatures and has a translucent quality.
Uses of Ceramics
Ceramics have a wide range of uses in various fields. In the medical field, ceramics are used in dental prosthetics, bone grafts, and joint replacements. In the electronics industry, ceramics are used in the production of semiconductors, insulators, and capacitors. In the construction industry, ceramics are used in the production of bricks, tiles, and pipes.
Related Terms
- Kiln: A type of oven used to fire ceramics.
- Clay: A natural material used to make ceramics.
- Glaze: A coating applied to ceramics to make them waterproof and decorative.
- Pottery: The art or craft of making objects from clay.
External links
- Medical encyclopedia article on Ceramic
- Wikipedia's article - Ceramic
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