engineering recuitment HPCL Engineer Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Phase Diagrams
Consider the followings statements regarding the mechanical behavior of iron-carbon alloys:
1. Martensitic steels are most ductile.
2. Tempered martensite is relatively brittle.
3. Fine pearlite is more brittle than coarse pearlite.
Which of the above statements is/are correct?
1
1 only
2
2 only
3
3 only
4
1, 2 and 3