What Does Refractory Mean In Ceramics

A refractory material or refractory is a material that is resistant to decomposition by heat pressure or chemical attack and retains strength and form at high temperatures.

What does refractory mean in ceramics. Definition what does refractory brick mean. Material that can withstand very high temperatures 3000 c or more without degrading or softening. Global production for the metal glass and ceramics industries is about 12 million metric tons. Refractory brick is a ceramic material that is normally used in high temperature environments because of its lack of flammability and because it is a decent insulator which reduces the amount of energy loss.

Refractory brick is typically comprised of aluminum oxides and silica. Analysis by material ceramic fibers insulating fire bricks calcium silicate end user by region by country 2019 edition. Refractories are inorganic nonmetallic porous and heterogeneous. They are typically composed of oxides of the following materials.

Refractory ceramic synonyms refractory ceramic pronunciation refractory ceramic translation english dictionary definition of refractory ceramic. The term high temperatures is somewhat indefinite but usually means above about 1830 f 1000 c or temperatures at which because of melting or oxidation the common metals cannot be used. They consist of alumina magnesia silica lime and other metal oxides. Synonym discussion of refractory.

Refractory materials include certain ceramics and superalloys and are used in heat insulation of furnaces jet and rocket engines and parts of space vehicles such as the shuttle. Silicon aluminium magnesium calcium and zirconium. Refractory definition hard or impossible to manage. Refractory materials that keep their chemical and physical strength at temperatures above 500 c are of high importance for metallurgical and other industrial processes.

One of a number of ceramic materials for use in high temperature structures or equipment. Refractory definition is resisting control or authority. Such refractory materials as silicon dioxide and aluminum oxide are so severely attacked that their use is hazardous some compounds of hafnium are also used as refractory substances to line the inside of high temperature ovens also under investigation as possible container materials are certain types of refractory ceramics.