Mechanical Engineering - Engineering Materials - Discussion

Discussion Forum : Engineering Materials - Section 6 (Q.No. 32)
32.
The addition of magnesium to cast iron increases its
hardness
ductility and strength in tension
corrosion resistance
creep strength
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

K.Harish (IIIT) said:   10 years ago
The addition of magnesium to cast iron increases its ductility and strength in tension. When magnesium added to Gray cast iron graphite nodules are fired instead of graphite flakes. It increases its ductility.
(1)

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