presentation of austenite transformation of ferrous materials in dependence of time and temperature for a given steel composition (see: austenite, isothermal cooling transformation diagram, continuous cooling transformation diagram), antud koostisega terases austeniidi lagunemist olenevalt ajast ja temperatuurist iseloomustav diagramm (vt austeniit, austeniidi isotermjahtumise diagramm, austeniidi pidevjahtumise diagramm)