MSE-331(Fall 2012)
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MSE-331 HW#2 (Due Mon, October 15, 2012)
(a). What is the frequency (in Hertz) and energy (in electron volts) for
Mo-K x-ray?
3.0 108 m / s
= 4.22 1018 Hz
= 0.711 A = =
10
0.711 10 m
o
c
E = hr = 6.626 1034 J .s 4.22 1018 Hz =
MSE-331(Fall 2012)
page- 1
MSE-331 HW#2 (Due Monday, October 15, 2012)
1 (a). What is the frequency (in Hertz) and energy (in electron volts) for Mo-K x-ray? (b). Calculate the K excitation voltage Mo. (c). Plot the ratio of transmitted to incident intens
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MSE-331 HW#2 (Due Wed, October 16, 2013)
1
(a). What is the frequency (in Hertz) and energy (in electron volts) for
Mo-K x-ray?
(b). Calculate the K excitation voltage Mo.
(c). Plot the ratio of transmitted to incident intensity vs. thickness of l
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 from other sources that are noted.
Inclusion of all of thi
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 from other sources that are noted.
Inclusion of all of thi
The observation that heat and work can independently produce the exact same
changes on a body is obvious today? The classical way of illustrating this:
James Joule developed this idea
2-46
The final conclusions of Joules paper were:
That the quantity of
Last time:
2nd Law - There exists a property of the
universe, called its entropy, which always
changes in the same direction no matter
what processes occur. Entropy is not
conserved. Entropy always changes in one
direction (increases).
Entropy - a State F
Ideal Gas
PV = nRT
= 1/T
= 1/P
Monatomic: CP = 5/2 R CV = 3/2 R
Diatomic:
CP = 7/2 R CV = 5/2 R
U & H depend only on temperature:
U = CV dT H = CP dT
09/19/2001
Notes from R.T. DeHoff, Thermodynamics in Materials Science (McGraw-Hill, 1993)
4-26
Interna
Exam
on Monday
Closed book, closed notes
Reading - all of the text through page 74 (into
Chap. 4)
All lectures
Homeworks
Descriptive types of questions.
Need to know definitions of all quantities
state functions
properties (including specific
diff
MSE-331 Final Exam Exercise
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MSE331 Final Examination Examples
[1] From the Periodic Table of the elements, answer the following questions.
(2). What is the crystal structure for AB compounds like, MgO, CaO and SrO?
(a) FCC (b) BCC (c) Diamond (d)
MSE-331 HW#3 (Due Nov 12, 2010)
[1]. Precisely describe a step-by-step process involved in calculating the diffraction
intensity for Al.
In particular describe how you obtain necessary information.
(20 points total)
(a) The crystal structure of Al is FCC,
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MSE-331 HW#3 (Due Friday, November 8, 2013)
[1]. Precisely describe a step-by-step process involved in calculating the diffraction intensity for Al.
In particular describe how you obtain necessary information.
[2]. Applying [1], theoretically calc
P. 1
MSE-331 Midterm II (2011-practice)
MSE 331 Midterm-II Study Guideline and Practice Examples
(1)
In order to resolve d-spacing in the order of 1, what is the maximum wavelength of x-ray
you use for diffraction experiment?
(2)
Macromolecules can be cry
MSE 331 REVIEW QUIZ QUESTIONS 1
The questions are just for review study. The answers will be provided when the next quiz uploaded.
1. Calculate the atomic packing factor (APF) of BCC and FCC structure.
2. Draw the planes in cubic unit cell (1,1,1), (-3,1,
Chemical Potential of
Single Component
Phases
09/19/2001
Notes from R.T. DeHoff, Thermodynamics in Materials Science (McGraw-Hill, 1993)
7-23
Chemical Potential - Open Systems
Combined 1st & 2nd law with extensive functions:
dU! = TdS! - PdV! + dn
By defi
Note: there were no overheads shown in
lecture 7 on 10-16-15 (Friday). Instead there
were problems and then a discussion of the
combined first two laws of thermodynamics
and spontaneous changes.
These notes will become lecture 8 on 10-19-15
(Monday). The
In Chapter 4,
a unary, closed, homogeneous, non-reacting system
is considered.
In such a system in equilibrium with itself and its surroundings, the state
is completely specified by two variables, for example P and T. These are
the two variables that we w
Thermodynamics can be categorized into separate parts, e.g.:
1. Classical (or continuum) Thermodynamics
2. Statistical Thermodynamics or Statistical Mechanics
We will focus on classical thermodynamics in this course as it will prepare you for further
stud
MSE-331(Fall 2013)
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MSE-331 HW#1 (Due Monday, October 7, 2013)
[1].
Calculate the theoretical density of NiO, given that it has the NaCl (rock salt)
structure.
[2].
A hypothetical AX type material is known to have a density of 2.10 g/cm3 and a
unit
MSE 331 Crystallography and Structure (Autumn, 2012)
HW#1
Solution:
1. Calculate the theoretical density of NiO, given that it has the NaCl (rock salt) structure. 7pts
Rock salt structure.
# of O atom=8(1/8)+6(1/2)=4
# of Ni atom=12(1/4)+1*1=4
Lattice par
Lecture #10 (October 16, 2013):
x-ray filter d esign
x-ray sou rces
COURSE BUSIN ESS:
HW#2 D UE tomorrow at noon in Xuezhes 4th floor mailbox
H W2 AVAILABLE FOR PICKUP AT 1p
MT1 review this Frid ay
practice exercises w ill be posted
Tentative MSE 331 co
L24
Lecture #24 (November 20th, 2013):
quick review from lecture before MT2
begin stereographic projection
begin stereographic projection
Reading: Cullity Ch:2, sec.13, p. 70 - 85
Tentative MSE 331 course schedule:
Monday
23-SEP NO CLASS
Tu
30-SEP: cub