Ceramics Basic Terms

Firing is what most ceramics have in common.

Ceramics basic terms.

It also includes many articles such as large grain jars used in ancient times for storing corn and other dry materials wine jars and modern sanitaryware and the large tanks for containing corrosive acids. Vitrification the firing of pottery to the point of glossification. Basic having a high ph as opposed to acidic. The term pottery includes many varieties of ware from the crudest vessels of prehistoric times to the most beautiful decorated porcelains stoneware and earthenware.

Throwing creating ceramic shapes on the potter s wheel. Transparent glaze transmits light clearly. 61 3 8761 6322 fax. Technically ceramics are those things made from materials which are permanently changed when heated.

As well saw dust kilns fail to reach the required temperature. Wedging a method of kneading clay to make it homogenous by cutting and rolling. Firing involved two different cycles. In western terms raku is a process in which pieces are rapidly heated to 1800 degrees f.

A natural material extracted from the earth s crust. The crystallinity of ceramic materials ranges from highly oriented to semi crystalline vitrified and often completely amorphous e g glasses most often fired ceramics are either vitrified or semi vitrified as is the case with earthenware stoneware and porcelain varying crystallinity and electron composition in the ionic and covalent bonds cause most ceramic materials to be good thermal. 30 456 822 810. 61 3 8761 6344 a b n.

It is the indispensable factor in pottery or ceramics sculpture. Ceramics terms glossary begun largely using the complete guide to high fire glazes. Walker ceramics australia 5 mclellan st bayswater vic australia 3153 ph. Ceramics are used in a variety of applications including window glass implantable teeth brick ceramic bones nuclear fuel tennis racquets solid state electronic devices engine components cutting tools valves bearings and chemical processing equipment.

Once heated fired to between 660 and 1470 f 350 and 800 c the clay is converted to ceramic and will never dissolve again. The composition if clay particles renders a plastic quality which means it deforms under pressure and retains a new shape without. For example clay has chemically bonded water in it which will cause it to slake down disintegrate when a dried clay object is put in water. Ceramic tiles get their hardness from being fired.

Neither sun heat nor an over will fire ceramics works. Creation of an object out of clay. Yagi studio getty images. Basic ceramic terms ceramics.