10 Questions
Which crystal structure is commonly found in iron at 910oC?
BCC
Which crystal structure is commonly found in iron at 1400oC?
HCP
Which crystal structure is commonly found in metals like aluminum, copper, gold, silver, and lead?
FCC
What is the unit cell dimension (a0) related to in the FCC crystal structure?
Atomic radius (r)
What is the atomic packing factor (APF) formula for the FCC crystal structure?
APF = 4r/Ö2
What are the two common crystal structures found in metallic materials?
The two common crystal structures found in metallic materials are body-centred cubic (BCC) and face-centred cubic (FCC).
What is the temperature at which iron exhibits a BCC crystal structure?
Iron exhibits a BCC crystal structure at 910oC.
What is the temperature at which iron exhibits an FCC crystal structure?
Iron exhibits an FCC crystal structure at 1400oC.
What is the atomic radius (r) related to in the FCC crystal structure?
The atomic radius (r) is related to the unit cell dimension (a0) in the FCC crystal structure.
What is the atomic packing factor (APF) formula for the FCC crystal structure?
The atomic packing factor (APF) formula for the FCC crystal structure is APF = vol. ato.
Test your knowledge of iron allotropy and the iron-carbon (Fe-C) phase diagram in this materials science and engineering quiz. Explore the different crystal structures of iron, including BCC and FCC, and learn about the temperature ranges at which these structures occur. Discover the complexities of the Fe-C phase diagram and deepen your understanding of ferrous alloys.
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