Mechanical Engineering - Machine Design - Discussion

Discussion Forum : Machine Design - Section 5 (Q.No. 37)
37.
The shock resistance of steel is increased by adding
nickel
chromium
nickel and chromium
cobalt and molybedenum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

Neeraj said:   9 years ago
Nickel- increase toughness without decrease ing ductility.

Chromium- increase corrosion resistance.

Cobalt - decrease hardenability.

Molybdenum-increase fatigue or endurance strength.

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