ME311
MATERIALS ENGINEERING
SPRING 2012
HOMEWORK #4
DUE DATE: February 16, before class
PROBLEM 1:
The measured density of a sample of bcc iron is 7.87 g/cm 3. If the lattice parameter of
this sample
ME311
MATERIALS ENGINEERING
SPRING 2012
HOMEWORK #4
PROBLEM 1:
The measured density of a sample of Iron is 7.87 g/cm 3. If the lattice parameter of this
sample is 0.2866 nm, calculate the percentage o
ME311
MATERIALS ENGINEERING
SPRING 2011
HOMEWORK #9
DUE DATE: April 8, before class
PROBLEM 1:
The microstructure of an iron-carbon alloy consists of pro-eutectoid ferrite and pearlite
where the mass
ME311
MATERIALS ENGINEERING
SPRING 2011
HOMEWORK #5
DUE DATE: March 4, before class
PROBLEM 1:
You are given the task of purchasing a Microscope with the highest resolution possible.
Among the instrum
ME311
MATERIALS ENGINEERING
SPRING 2012
HOMEWORK #6
DUE DATE: March 27, before class
PROBLEM 1:
As a mechanical analogue of thermodynamic phase metastability, consider the potential
energy of a block
[010]
ME311
MATERIALS ENGINEERING
[110] 2011
SPRING
HOMEWORK #7
DUE DATE: March 25, before class
PROBLEM 1:
Estimate the number of spherical clusters in 1mm3 of copper at its melting point that
conta
ME311
MATERIALS ENGINEERING
HOMEWORK #1
PROBLEM 1:
In a collection of carbon atoms, 80% of the atoms contain 6 neutrons and 20% of the
atoms contain 8 neutrons. The atomic number for C is 6. Calculate
ME311
MATERIALS ENGINEERING
SPRING 2012
HOMEWORK #5
PROBLEM 1:
You are given the task of purchasing a Microscope with the highest resolution possible.
Among the instruments shown in the Table below, w
ME311
MATERIALS ENGINEERING
HOMEWORK #6
PROBLEM 1:
As a mechanical analogue of thermodynamic phase metastability, consider the potential
energy of a block of mass m resting on a horizontal plane (figu
E M 3 11T est1
Show a ll w ork. E ach p roblem h as e qualv alue
a
1. A p article m ovesi n a s traight p ath w ith a n a cceleration : - 4s m /sec2
where s i s d istance. \ Vhen s - 0 t he p article
MATERIALS ENGINEERING ME 311 (17825)
Homework Assignment #7
EACH PROBLEM IS WORTH 10 POINTS
Due at the beginning of class on Friday, November 16, 2012
1. Imagine that we deform two specimens of origin
MATERIALS ENGINEERING ME 311 (17825)
Homework #7
Due at the beginning of class on Friday, November 16, 2012
1. Imagine that we deform two specimens of original length l0. One sample is deformed in a t
ME 311 (17825) MATERIALS ENGINEERING
Homework Assignment #8
Due at the beginning of the class on Wednesday, December 5 2012
EACH PROBLEM IS WORTH 10 POINTS
1. Rhodium has an atomic radius of 0.1345 nm
u*
ME 324 EXAM # 2
Name:
-i
N ovember 2 2 nd , 2011
UT E ID:
Equation sheet is attached at the end of t his exam.
Maximum t ime: I hr and 15 m in
<
Problem 1 (35 points):
The mechanism shown in the ad
ME 324 EXAM # 1
Name:
October 20 th , 2011
LJTEID:
Equation sheet is attached at the end of this exam.
Maximum time: 1 hr and 15 min
Problem 1 (35 points):
A particle (P) of mass m = 1 kg is sliding a
ME 311 (17825) MATERIALS ENGINEERING
Homework Assignment #8
Due at the beginning of the class on Wednesday, December 5 2012
EACH PROBLEM IS WORTH 10 POINTS
1. Rhodium has an atomic radius of 0.1345 nm
1
Atomic packing factor (APF):
4
n( 3 R3 )
VS
=
VC
a3
APF =
(1)
Density:
=
nA
a3 NA
(2)
A in the numerator is the atomic weight.
Critical radius:
r =
2Tm
Hf
1
T
(3)
a
+ k 2 + l2
(4)
Interplanar spacin