Recall from last time:
Classical or Continuum Thermodynamics
Continuum thermodynamics substitutes a few average quantities like temperature
T, pressure P, and internal energy U that represent the stat
In this and in other lectures, some material is taken from the text, some are
my notes, some are from the notes of Professor Craig Carter of the Department
of Materials Science at MIT and some are fro
Last time:
1
Important Identities
1st & 2nd Laws:
dU =
Mathematics:
T dS P dV
" U %
" U %
dU = $ ' dS+ $ ' dV
# S &V
# V &S
Coefficient relations:
" U %
$
' =T
# S &V
" U %
and $
' = P
# V &S
Maxwell
First Law
Energy is a property of the universe which cannot change no
matter what process occurs.
The change in internal energy of a system must be equal to
the sum of all energy transfers across the
so L10 10_21_16
1
Exam on Monday
Closed book, closed notes
Reading - all of the text through page 74 (into
Chap. 4)
All lectures
Homework 1 & 2
Descriptive types of questions.
Need to know defi
Summary
In all processes energy is conserved. Thus
dU = Q + W + W/
Internal energy is a state function.
In every volume element at all times entropy is created.
Entropy is a state function.
Processes
Van der Waals equation of state
2
&
#
&
#
n
$ P + a&$ #! !(V nb ) = nRT or P = RT $ a !
$V !
$
!
V
V
b
%
"
m
% m"
%
"
6
2
2
3
2
1
Substance
a/(atm dm mol )
b/(10 dm mol )
Air
1.4
0.039
Ammonia, NH3
4.
Diffraction demo with 532 nm laser and visible grating
Diffraction demo with 532 nm laser and visible grating
Pick Cu
K
Quiz Questions
1.
What is the energy of Cu-1s state?
2.
What is the energy of Cu
F =Fj =
fje2i(hu + kv + lw )
j
j
j
u, v, w = 0, 0, 0
1/2, 1/2, 0
Another quiz problem for today= Derive the structure factor for base-centered cubic!
Structure Factors
F =
S Fj =
N
S fje2i(hu + kv +
MSE 331 (2007) Properties of X-ray
Review exercise
(a) Which energy states are involved to generate Cu-K and Cu-K characteristic x-rays?
(b) From Appendix 7, find the wavelengths of Cu-K and Cu-K char
Page=2/3
Electromagnetic Wave
(Maxwells equatio
E = A sin 2( x )
l
(conversion)
= c0/l
= 6.63x10-34/1.602x10-19
= 4.136 x 10-15 eVsec
x
c0 = speed of light = 3x108m/sec
l = wavelength of light (nm)
4
Lecture #8 :
reciprocal space
x-ray properties (begin reading Ch1)
axb
constant =
1
a2 x a3 a1
1
a3 x a1 a2
1
constant =a x a a
1
2
3
(5) Meaning of constant =
a2
c cosq
q
a
a1
This is a volume V
(6
Mathematical procedure to add to two waves (vector)
E
EE11 =A1 sin (2t - 1 )
EE22 =A2 sin (2t - 2 )
E2
2
Superposition of two vectors
1
E1
E = E1 + E2
Im
Introducing Eulers notation
e i cos isin
Aei
Lecture #15:
MT1 returned no later than Friday at end of class
Start reading Cullity Chapter 4: intensities of diffracted beams
polarization factor: 4.1-3
Lorentz factor
multiplicity factor, 4.7-1
Lecture #16:
Continue reading Cullity Chapter 4: intensities of diffracted beams
STRUCTURE FACTOR
Scattering by atoms
How much larger?
Nucleus is much larger than electrons,
so cannot be made to osc
Todays lecture (L3):
Focus on cubic systems
Atomic packing factor (review from 170)
Theoretical density (review from 170)
Various cubic structures (Callister Chapter 12)
Ionic materials: ionic ra
MSE 331-HW:
(1) HW #1 due Wednesday, 10/12
Submission in class
(2) One day delay (late) submission by e-mail to
TA due on Oct. 13th
(3) TA will briefly look at your HW (not grading), and log in.
(4)
z
Zone axis
y
x
A
(1,0,0)
z
B
y
Miller index hkl is a vector normal to the plane
x
(1,1,0)
High Resolution Electron Microscopy (HREM)
GaSe
Ga2Se3
GaAs
Draw the planes whose zone axis is [111]
cfw_110
Todays lecture (Sept. 30th, 2015):
Focus on cubic systems
Atomic packing factor (review from 170)
Theoretical density (review from 170)
Various cubic structures (Callister Chapter 12)
Ionic mater
Raina Shahrir
1428114
MSE 310: Fall 2016
Lecture Summary Week 6 (1)
On Wednesdays lecture, Professor Cao continued his lecture on diamonds. He began his
talk by talking about the properties of Carbon.
On Friday, Pete George, who is one of the Boeing mentors working with this class
project, came as a guest speaker. He talked about fasteners that he has been working on with at
Boeing. Fasteners are b
On Wednesday, we had a guest speaker, Terry Tsuchiyama, who also happens to be one
of the Boeing mentors assigned for the Boeing project in this class. His area of expertise is
composites and working
On Friday, Tom Stoebe, a former MSE chair came to give a talk on ethics and careers. He
has been with the UW MSE department for a long time and was the one who hired our current
MSE 310 professor. He
As Professor Cao mentioned in previous lecture, one of the major aspects in the MSE
Tetrahedron is processing. Every material needs to undergo various processing and to identify
which process a materi
Raina Shahrir
1428114
MSE 310: Fall 2016
Lecture Summary Week 5 (1)
On Wednesdays lecture, Professor Cao talked about Carbon. He began his talk by
explaining the properties of carbon through its posit
Raina Shahrir
1428114
MSE 310: Fall 2016
Lecture Summary Week 5 (2)
On Fridays lecture, Professor Cao continued his lecture about diamond but focusing on
the properties of diamond. Carbon has an atomi
Raina Shahrir
1428114
MSE 310: Fall 2016
Lecture Summary Week 6 (2)
On Fridays lecture, we had a guest speaker, Allison Warren, who is currently working for
Boeing in Everett. She talked about metals