Austenite
Austenite is iron but in a metallic form. It is one of the allotropes of iron, which means its physical form is different from iron, but its chemical form is the same.[1][2] It is named after Sir William Chandler Roberts-Austen (1843–1902).[3]
Austenitization
Austenitization means to heat iron, iron-based metal, or steel to a high temperature. At that temperature, the crystal structure of the metal changes from ferrite to austenite,[4][5] which can dissolve more carbon.
For some irons, iron-based metals, and steels, the presence of carbides may occur during this austenitization step. The term commonly used for this is two-phase austenitization.[6]
Austenite Media
Austenite microstructure at two different temperatures
References
- ↑ Dictionary.com. Dictionary. Retrieved May 18, 2016.
- ↑ Reed-Hill R, Abbaschian R. Physical Metallurgy Principles, 3rd Edition (1991). Boston: PWS-Kent Publishing. ISBN 0-534-92173-6.
- ↑ Webster's Seventh New Collegiate Dictionary (1963). Springfield, Massachusetts, USA: G & C Merriam Company. p. 58.
- ↑ Nichols R. Quenching and tempering of welded carbon steel tubulars (Jul 2001).
- ↑ Lambers HG, Tschumak S, Maier HJ, Canadinc D. Role of Austenitization and Pre-Deformation on the Kinetics of the Isothermal Bainitic Transformation. Metal Mater Trans A. 40 (6) (Apr 2009). p. 1355–1366. doi:10.1007/s11661-009-9827-z.
- ↑ Austenitization.
Other websites
- Fe-Fe3C phase diagram Archived 2008-02-16 at the Wayback Machine