Martensite

For the transformation, see Diffusionless transformations.
Steels
Phases
Microstructures
Classes
Other iron-based materials
Martensite in AISI 4140 steel
0.35% carbon steel, water-quenched from 870 °C

Martensite is a very hard form of steel crystalline structure. It is named after German metallurgist Adolf Martens. By analogy the term can also refer to any crystal structure that is formed by diffusionless transformation.[1]

  1. ^ Cite error: The named reference A.Q. Khan, University of Leuven, Belgium was invoked but never defined (see the help page).