Rutgers University
MATH 211
Second Celebration of Learning (Spring 2021)
Mechanical Properties of Materials: Professor Thomas Tsakalakos
Solve any two A problems and two B problems
1A
i) Using phase transformation theory, explain in detail the two stages of formation of particles of a new
phase. Explain the role of undercooling (
∆
T
) in the formation
...[Show More]
Second Celebration of Learning (Spring 2021)
Mechanical Properties of Materials: Professor Thomas Tsakalakos
Solve any two A problems and two B problems
1A
i) Using phase transformation theory, explain in detail the two stages of formation of particles of a new
phase. Explain the role of undercooling (
∆
T
) in the formation of eutectoid microstructures. What is
Avrami's equation, and what does it describe?
(5 points)
ii) Rank the following iron-carbon alloys from highest ductility to lowest ductility, and justify the rank for
(5 points)
each alloy.
•
50% martensite, 50% bainite
•
100% coarse pearlite
•
100% spheroidite
•
50% fine pearlite, 50% martensite
•
100% bainite
[Show Less]