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For questions about metals in general and their physical or chemical properties. For characteristic properties and reactions of d and f block metals specifically, use the [transition-metals] and [rare-earth-elements] tags respectively instead.

1 vote
1 answer
227 views

Diffusion of carbon from ferrite to cementite in the eutectoid transformation

Why does the carbon of an alloy diffuse from ferrite (0.022% C) to cementite (6.70% C) during eutectoid transformations? I know that the diffusion of a generic species (e.g. of atom A) carries A from …
Gennaro Arguzzi's user avatar
2 votes
1 answer
304 views

Bainite at room temperature?

I read that if, after a tempering from T>723°C to T*=[250°C,550°C], I do an isothermal transformation of an eutectoid steel, I'll get bainitic microstructure. Does this microstructure exist only if t …
Gennaro Arguzzi's user avatar
1 vote
1 answer
49 views

Cell walls in lath martensite - Meaning

What does cell walls mean in the context of lath martensite? Are they grain boundaries? Quote (page 66 Structure and properties of engineering alloys - Smith): In the lath martensite of low-carbon st …
Gennaro Arguzzi's user avatar