MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 1
Assigned: 1/27; Due: 2/6 in class
Note: late submissions will result in penalties and will not be accepted once solutions are posted on
Blackboard. For more information on homewor
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 7
Assigned: 4/17; Due: 4/21 in class
Note: late submissions will result in penalties and will not be accepted once solutions are posted on
Blackboard. For more information on homewo
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 6
Assigned: 4/3; Due: 4/10 in class
Note: late submissions will result in penalties and will not be accepted once solutions are posted on
Blackboard. For more information on homewor
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 3
Assigned: 2/17; Due: 2/27 in class
Note: late submissions will result in penalties and will not be accepted once solutions are posted on
Blackboard. For more information on homewo
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 5 Solution
1. a) + g)
b) Based on the slope between =0 and =0.001: =
197.4
0.001
= 197.4
c) To find the yield strength graphically we zoom in on the elastic region (graph on the r
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 8
Optional, due: 5/5 in class
Note: late submissions will result in penalties and will not be accepted once solutions are posted on
Blackboard. For more information on homework poli
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 4 Solution
1. This problem calls for the mass of hydrogen, per hour, that diffuses through a Pd sheet. Combining
Equations 5.1 and 5.3 and solving for the mass yields:
M
C
= JA = DA
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 7 Solution
1. a) 1100 C: # of phases = 1: liquid
CL = 30wt% Ag70wt% Cu
wt% L = 100
900 C: # of phases = 2: liquid +
C = 8wt% Ag92wt% Cu
CL = 43wt% Ag57wt% Cu
wt% =
wt% L =
43 30
1
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 3 Solution
1. Q=0.98 eV/atom
=18.63 g/cm2
A=196.9 g/mol
T=900C =1173K
(
)
(
2. 105 kg of Fe
A = 55.933 g/mol
0.2 kg of C
A = 12.011 g/mol
1 kg of Cr
%
%
+ +
A = 51.996 g/mol
+ +
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 5
Assigned: 3/20; Due: 3/27 in class
Note: late submissions will result in penalties and will not be accepted once solutions are posted on
Blackboard. For more information on homewo
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 4
Assigned: 3/1; Due: 3/8 in class
Note: late submissions will result in penalties and will not be accepted once solutions are posted on
Blackboard. For more information on homework
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 2
Assigned: 2/6; Due: 2/15 in class
Note: late submissions will result in penalties and will not be accepted once solutions are posted on
Blackboard. For more information on homewor
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 2 Solution
1. a) The volume of the unit cell shown on the right is: Vcell=cA, where
A is the area of the base:
=> V=
This cell contains two atoms because the red atom is in it in ad
MSE 27100: Engineering the Materials of the Future, Spring 2017: Homework 6 Solution
1. The key conclusion of the authors is that the collapse of WTC was caused by a superimposing effect
of thermal stress gradients (due to the inhomogeneous heating of loa
MSE 27100: Engineering the Materials of the Future, Fall 2016: Quiz 3
Name: P/Om IM
Solve at least 5 of the following 6 problems. Each one is worth 20 points. You can accumulate up to
120/100 points. Use the back of the page if you need additional space.
MSE 27100: Engineering the Materials of the Future, Spring 2017: Quiz 1
Name: A/au
[Hz/Qua
Solve at least 10 of the following 12 problems. Each one is worth 10 points. You can accumulate up
to 120/100 points. Use the back of the page if you need additio
MSE 27100: Engineering the Materials of the Future, Spring 2017: Quiz 2
Name: a 14 n
Solve at least 5 of the following 6 problems. Each one is worth 20 points. You can accumulate up to,
120/100 points. Use the back of the page if you need additional space
3rd: /au;&
1. Are the following statements true or false? [60 points]
(a) True 0 or False O
The facecentered cubic crystal structure of metals belongs to the monoclinic crystal system.
(b) True 0 or False .
The equilibrium vacancy concentration in a mate
MSE 27100: Engineering the
Materials of the Future
Course Objective.
Introduce fundamental concepts in MSE
You will learn about:
material structure
how structure dictates properties
how processing can change structure
This course will help you to:
us
I
D
.
stepwise
(
2
migration
5.3
of
types
Steady
flux
between

driven
is
of
&
vacancies
basics
(
IFFUSION
SOLIDS
in
atoms
interstitial
)
between
lattice
sites
)
diffusion
State
Diffusion
by
stationary
concentration
gradient
constituents
w t*E*
.
dx
flux
B)
(
13.1
)
2.6
valence
determined by
involves
often
transfer of
e
=

(
Coulomb
,ftge) ( zze )
charge
a
CL
e
VIA /VI
ion
number
"
'
elementary charge
A
Na

D:
=
attractive
,
+
+
EG )
A
valence
IAIIA
:
Na
e.g.
e
Bonds
Ionic Bond
(a)
Z
Primary
strong
Ch
#
STRUCTURE
THE
.
fundamental
atoms
3.3
Unit
of
multiples
along
UC
lions
repeat
positions
regular
(
Cell
smallest
"
to
hard
spheres
"
that
to
allows
by
translating
Three
Crystal
UC
.
integer
edges
the
represent
Structures
face
types
the
reproduce
symmetry
3.8
Crystallographic Point
coordinates
identify
that
is
of
UC
by
spanned
the
within
point
a
Coordinates
coordinate
system
edges
x.EE#nIt.fiFei:i.m
separation
3.9

Directions
Crystallographic
vectors
procedure
1
2
3
to determine
vector starts
assume
deter
FIE
.in?HmYI:Q
)
lwhrshjtial
interstitial
fills
solute
Solutions
Said
regions
in
solvent
halt
T.hu
uly
typically
due
to
example
:
K
tsduut
limited
to
lattice
distortions
Ie
/C
small
solute
concentrations
Line Defects
4.5
2
@
of
types
(
half
inserted
plane
4.2
@
Vacancies
vacancy
there is
an

Interstitials
lattice
empty
force
driving
& Self
in
increase
site
entropy
number of defects
equilibrium
that
exists
in
materials
SIT

N
SQ
kg
T
KOT
=
vacancies

Ntota ,
energy penalty
absolute
kp=
with
1.38
creating
Define
:
valence
e
that
e
:
occupy
primary
contribute
states
the
in
"
outmost
"
shell
to
(
formation of primary ) chemical
bonds
noble
e
gas

configuration
all states
are
>
fully

"
outmost
"
primary
shell
occupied
STABLE
atoms will participate
e
b