Pennsylvania State University
MATSE 259
MATSE 259 Exam 3
1. Using the Cu Ag phase diagram shown below, identify the microstructure that will be formed
for the following composition when undergoing equilibrium cooling from liquid to room
temperature: 1 wt.% Ag, Cu
a. E
b. D
c. C
d. B
e. A
2. Using the Fe- C phase diagram, identify the following microstructures at the given cond
...[Show More]
Pennsylvania State University
MATSE 259
MATSE 259 Exam 3
1. Using the Cu Ag phase diagram shown below, identify the microstructure that will be formed
for the following composition when undergoing equilibrium cooling from liquid to room
temperature: 1 wt.% Ag, Cu
a. E
b. D
c. C
d. B
e. A
2. Using the Fe- C phase diagram, identify the following microstructures at the given conditions.
A 1050 C steel cooled from 1000°C to 715°C
a. A
b. B
c. C
d. D
3. For a 55 wt% Pb–45 wt% Mg alloy slowly cooled from 700°C to 300°C, at what temperature
does the liquid completely solidify? Use the Mg Pb phase diagram given below.
a. 250°C
b. 475°C
c. 550°C
d. 500°C
e. 600°C
[Show Less]