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Bainite

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	Topics Bainite Topic Home Bainite is a mostly metalMetal In chemistry, a metal is an element that readily forms positive ions and has metallic bonds.... lic substance that exists in steelSteel Steel is a metal alloy whose major component is iron, with carbon content between 0.02% and 1.7% by weight.... after certain heat treatmentHeat treatment Heat Treatment is a group of manufacturing techniques used to alter the hardness and toughness of a material.... s. First described by Davenport E. S. and Edgar BainEdgar Bain Edgar C. Bain was a pioneering metallurgist and member of the National Academy of Sciences, who worked for the US Steel Corp... , it forms when austeniteAustenite Austenite is a metallic, non-magnetic solid solution of iron and an alloying element.... (a solution of carbonCarbon Carbon is a chemical element in the periodic table that has the symbol C and atomic number 6.... in ironIron Iron is a chemical element with the symbol Fe and atomic number 26.... ) is rapidly cooled past a critical temperature of 723°C (about 1333°F). A fine non-lamellar structure, bainite commonly consists of ferriteFerrite (iron) Ferrite or alpha iron is a materials science term for iron, or a solid solution with iron as the main constituent, wit... and cementiteCementite Cementite or iron carbide is a chemical compound with the formula Fe3C, and an orthorhombic crystal structure.... . It is similar in constitution to pearlitePearlite Pearlite is a two-phased, lamellar structure composed of alternating layers of... , but with the ferrite forming by a displacive mechanism similar to martensiteMartensite Summary Martensite, named after the German metallurgist Adolf Martens, is any cystal structure that was formed by displacive transfo... formation, usually followed by precipitation of carbides from the supersaturated ferrite or austenite. When formed during continuous cooling, the cooling rate to form bainite is higher than that required to form pearlitePearlite Pearlite is a two-phased, lamellar structure composed of alternating layers of... , but lower than that to form martensite, in steel of the same composition. Bainite is generally stronger but less ductileDuctility Overview Ductility is the physical property of being capable of sustaining large plastic deformations without fracture.... than pearlitePearlite Pearlite is a two-phased, lamellar structure composed of alternating layers of... . External links , from Cambridge University PressCambridge University Press Cambridge University Press is a publisher given a Royal Charter by Henry VIII in 1534, and one of the two privileged presses... and the Institute of Materials