Phase Equilibria Flashcards
1
Q
Bivariant equilibrium
A
When both comp + T can be varied independently without changing the no of phases present
2
Q
Univariant
A
Opposite of bivariant
3
Q
Eutectoid
A
1 S -> 2 S
4
Q
Eutectic
A
1 L -> 2 S
5
Q
Allotropic transformation
A
Change in crystal structure (no change in comp)
6
Q
Invariant equilibrium
A
The only point of maintaining equilibrium is to change nothing
F = 0
7
Q
What’s another word for Fe3C?
A
Cementite
8
Q
γ
A
Austenite
FCC
9
Q
α
A
Ferrite
BCC
10
Q
Delta
A
BCC
11
Q
Inter-metallic + example
A
Compounds formed between 2 or more metals/semi metallic elements (B, C, S) + have a mixed metallic-covalent or metallic-ionic bonding
