Cast Irons Flashcards
1
Q
What is the Carbon content of a cast iron?
A
Over 2%
2
Q
Why is melting and casting the only suitable manufacturing options for cast iron?
A
The ductility of cast irons is very low and they cannot be rolled, drawn or worked easily
at room temperature
3
Q
How are cast irons classified?
A
Based on morphology and graphite phase
4
Q
What can be done to improve ductility of cast iron?
A
Addition of Magnesium or Cerium
5
Q
What are the advantages of cast iron?
A
1) Can be cast into complex shapes
2) Very fluid when molten
3) Only shrink lightly when solidified
6
Q
What are the disadvantages of cast iron?
A
1) Low toughness
2) Low ductility
3) Poor weldability
