Micro-Structures in Steel Flashcards
1
Q
Lamellae of ferrite and cementite
A
Pearlite
2
Q
Thick lamellae
A
Coarse Pearlite
3
Q
Thin lammellae
A
Fine Pearlite
4
Q
Forms as extremely fine needles or plates of
ferrite and cementite (with no proeutectoid phase) below nose of T‐T‐T plot
A
Bainite
5
Q
After a very long time, cementite appears
as sphere‐like particles embedded in a continuous ferrite matrix
A
Spheroidite
6
Q
Metastable, Body Centered Tetragonal
structure resulting from a diffusionless transformation of austenite
A
Martensite