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WorksheetsCE 324P Steel and Metals
Total questions: 11
Worksheet time: 13mins
Steel is ... than iron
stronger
weaker
Pearlite is the name of a steel phase.
True
False
FCC crystals have more slip systems than HCP, therefore FCC structure will be _______ brittle than HCP crystals.
the same
more
less
Use the periodic table to answer this question: The dominant bond that will occur between Fluorine (F) and Francium (Fr) is ____________ because of _________.
van der walls bonding; it is a primary chemical bond,
ionic bonding; electronegativity absolute difference is > 1.7
ionic bonding; electronegativity absolute difference is < 1.7
covalent bonding; electronegativity absolute difference is > 1.7
Covalent bonding; electronegativity absolute difference is < 1.7
Strain hardening increases the strength and ductility of metals.
True
False
This image shows different types of defects in the lattice. The letters are indicating a defect in the column of the lattice they are pointing to. Which letter(s) represent precipitates?
a
b
c
e
h
How many phases are present at the green point in the phase diagram?
(a)
For the green point in the Ag-Cu phase diagram, which of the following statements is true?
Beta phase % is more than the L phase %
Alpha phase % is more than L phase %
Beta phase % is less than L phase %
Beta phase% is 80% of the overall composition
none of the above
When 1045 steel is heated to 950 degrees Celsisus, which phase(s) are present?
alpha-iron (ferrite)
cementite (Fe3C)
gamma-iron (austenite)
delta iron
For the material located at the green point in the Ag-Cu phase diagram, how much Cu (in wt%) is in the Liquid phase?
0
25
75
80
90
