1.
2. Callister 19.D1 (Note that this problem is in the "Design Problem" section at the end of the
"Questions and Problems" section in Callister chapter 19.)
19.D1
Railroad tracks made of 1025 steel a
1.
Wafers of silicon (Si) are used to make semiconductor devices. The density of Si is 2.33 g/cm3
and its atomic weight is 28.086 g/mole. Estimate how many Si atoms a
SECTION II: Module IV - Phase Transformation and Processing
PART D: TRUE/FALSE:
Cumulative Up to 20 Points
9) CIRCLE either TRUE or FALSE. If false CORRECT THE STATEMENT by crossing out and/or
replaci
5. A cube ofcryslairie solid: 6. ("xtnctele:
7 a BMW n 5 mimmdiwm 5" A . ' ' _ _ : . Fracture toughness (Kit) is a measure nla manual:
I I I I (we) we 7 I 1 ii. ability to clasltcallydcliirrn;
3. co
E-344 Fall 2010 Final Exam 20 December, 2010
Honor Pledge:
Name: _
ID#:_
_
This exam contains 7 problems and 10 multiple choice questions over 13 pages. Please
confirm that your exam package contains
Sc\ut\cV\S
SECTION I: Module IV: Phase Stability
Cumulative Up to 20 Points
PART A: TRUE/FALSE:
CIRCLE eithe r TRUE or FALSE . If false CORRECT THE STATEMENT by crossing out and/or
replacing the UNDER
During recrystallization:
A new set of strain-free and equiaxed grains form that have relatively low
dislocation densities; The metal becomes softer, weaker, and more ductile.
The driving force for r
E344 SOLUTION SET 11
2012 FALL
1. Callister 9.46 Compute the mass fractions of ferrite and cementite in pearlite.
Solution
This problem asks that we compute the mass fractions of ferrite and c
2 012 FALL
E344 SOLUTION S ET 6
1. A plain-carbon steel has a yield strength of 35 ksi, a tensile strength of 52 ksi and a
modulus of
29,000 ksi. Suppose a 3 inch diameter rod of this steel with a len
E344 SOLUTION SET 10
2012 FALL
1. Callister
9.1
Consider the sugarwater phase diagram of Figure 9.1.
(a) How much sugar will dissolve in 1500 g water at 90C (194F)?
(b) If the saturated liquid solutio
E344 SOLUTION SET 12
2012 FALL
1. (From Spring 2006 final): Suppose two samples of a Sn 26.1 at% Pb alloy are heated to 200 oC. After
equilibration at this temperature
This test consists of 8 pages. There are 5 problems. Questions 6 -14 are multiple choice questions.
Some constants are given on page 7, and a periodic table is given on page 8.
E-344 Fall 2012
Test 1
E -344 Fall, 2012 Test 3, 12 /13/12
Honor Pledge:
N ame:
-~-
5 digit E344 Course ID#: _ _ _ _ _ _ _
T his t est c ontains 4 p roblems (1-4) a nd 9 m ultiple-choice q uestions (5-13) o ver 9 p ages.
P
E344 SOLUTION SET 9
2012 FALL
1. Callister 5.7
A sheet of steel 1.5 mm thick has nitrogen atmospheres on both sides at 1200C and is
permitted to achieve a steady-state diffusion condition.
The diffusi
E344 SOLUTION S ET 8
2 012 FALL
1. Callister 8.4
A polystyrene component must not fail when a tensile stress of 1.25 MPa (180 psi) is applied.
Determine the maximum allowable surface crack length if t
2012 FALL
E344 SOLUTION SET 3
1. List the point coordinates for all atoms that are associated with the FCC unit cell (Figure 3.1).
Solution
From Figure 3.1b, the atom located of the origin of the unit
2012 FALL
E344 SOLUTION SET 4
1.
13.8
Compare the manner in which the aggregate particles become bonded together in clay-based mixtures
during firing and in cements during setting.
Solution
For clay-b
FALL 2012
E344 SOLUTION SET 5
1.
14.2
Compute repeat unit molecular weights for the following: (a) poly(vinyl chloride), (b)
poly(ethylene terephthalate)
Solution
(a) For poly(vinyl chloride), each re
2012 FALL
E344 SOLUTION SET 7
1.
6.D1
A large tower is to be supported by a series of steel wires.
wire will be 11,100 N (2500 lbf).
It is estimated that the load on each
Determine the minimum require