MSE 230
Assignment 2 (due 9/4, 9/5)
Fall 2014
*Problems with a * by them will not be graded, but solutions will be provided.
1. (a) Using the attractive and repulsive energies in equations 2.9 and 2.11, find the value and
units of the constant B if A = 2.
MSE 230
SOLUTIONS
Spring 2011
Homework #1 Bonding (70 pts)
(40 pts) 1. Ive plotted the elastic modulus (E) and linear coefficient of thermal expansion
(CTE) values listed below versus melting temperatures (oC). Label each data point on the
plot with the c
MSE 230
Assignment 10
Fall 2013
(due 11/7, 11/8)
*Problems with an * by them will not be graded, but solutions will be provided. In this
homework assignment, problems 3, 6, 7 and 9 will be graded.
1.* Three samples of an alloy containing Al with 4 wt.% Cu
MSE 230
Assignment 2 (due 8/30, 8/31)
Fall 2012
*Problems with a * by them will not be graded, but solutions will be provided.
1. (a) Using the attractive and repulsive energies in equations 2.8 and 2.9, find the value and
units of the constant B if A = 2
MSE 230
1*.
Assignment 6 Solutions
Fall 2013
a) = cos cos
= the applied tensile stress
= the resolved shear stress
Slip initiates when the applied tensile stress is equal to the yield stress y. The
resolved shear stress when =y is called the critical re
Spring 2011
Homework #6 - Phase Diagrams (100 points)
(10 pts) 1. Callister 5.6
(10 pts) 2. Callister 5.21
(10 pts) 3. Callister 9.11 (please put your answers in the box below but show your work
elsewhere!)
9.11
Part (a)
Part (b)
Part (c)
Part (d)
Answer
MSE 230
Assignment 9
(due 10/30, 10/31)
Fall 2014
*Problems with an * by them will not be graded, but solutions will be provided.
1. You have fabricated three different Pb-Sn alloys of the following compositions: i) 75 wt. %
Pb and 25 wt. % Sn, ii) 40 wt.
MSE 230
HW11 (due 04/15, 04/16)
Spring 2010
1. "Rust" is the solid hydroxide of iron, Fe(OH)3, which is only sparingly soluble in water. Write the balanced anode and cathode reactions for the process of iron rusting by reaction with water containing disso
MSE 230
Assignment 4 (due 9/13, 9/14)
Fall 2012
*Problems with a * by them will not be graded, but solutions will be provided.
1. Find all 110
and
211
in (111) . Confirm your answers using the dot product.
2.*
I
(200)
50
40
40.5
60
70
73.8
58.7
2
The figu
Homework #5
Spring 2008
The three mechanisms we discussed in class to strengthen a metal; (a) grain size
reduction, (b) solid solution strengthening, and (c) cold work, all operate by making it
difficult for dislocations to move in a material. They operat
HW 11 Solution-70pts
1. (20pts) NOTE: (b), (c), (d) are (a), (b), and (c) respectively
8pts-2 for each
answer
4pts
8pts-2 for each
answer
2. (10pts) Below, molecular weight data for a polypropylene material are tabulated. Compute (a) the numberaverage mol
MSE 230
Assignment 3 (due 9/6, 9/7)
Fall 2012
1. Write out all of the ,<1 0 0>, <1 1 0>, and <1 1 1> type directions that lie within
(0 1 1) .
[
]
2. A cube-shaped single crystal of metal has the 1 1 0 direction normal to the top cube
face. The front cube
What heat treatments are being done?
blue: full annealingred: quenching
purple: tempering
83
The optimum properties of quenched and tempered steel occur if.
a high content of martensite is produced.
84
hardenability
A measurement of an alloys ability to p
MSE 230
Fall 2013
EXAM 2
Closed book
1
(1 sheet of notes, 8.5x11 writing on both sides,
allowed)
/12
2
/10
3
a)
/03
b)
/08
c)
/04
Name: _
/15
4
Recitation (day and time): _
David Yang
R1
Thur. 9:30
R2
Thur. 10:30
/10
5
a)
/05
Kiettipong Banlusan
R3
Thur.
MSE 230
Assignment 11
Fall 2013
(due 11/14, 11/15)
*Problems with an * by them will not be graded, but solutions will be provided.
In this assignment set, problems 3, 5, 7 and 10 will be graded.
1.* Callister 11.6: On the basis of microstructure, briefly
MSE 230
Assignment 5
Fall 2012
(due 9/20, 9/21)
*Problems with a * by them will not be graded, but solutions will be provided.
Specifically, problems 1, 2, 5 and 9 will be graded.
1. Callister Problem 6.20: A brass alloy is known to have a yield strength
Spring 2008
Homework #10 Ceramics! (80 points)
(10 pts) 1. Callister 12.3
(10 pts) 2. Callister 12.13
(10 pts) 3. Callister 12.17
(20 pts) 4. For the ZrO2-Ca ZrO3 phase diagram (see Figure 12.26), answer the following:
a. write all the eutectic and eutect
Hw#1 solutions Fall 2011
MSE 230
Problem 2: The net potential energy between two adjacent ions, EN, may be represented by the sum of Equations 2.8 and 2.9; that is,
EN = - A B + n r r
(2.11)
Calculate the bonding energy E0 in terms of the parameters A, B,
Spring 2008
Homework #1 Bonding (70 pts)
(40 pts) 1. Ive plotted the elastic modulus (E) and linear coefficient of thermal expansion
(CTE) values listed below versus melting temperatures (oC). Label each data point on the
plot with the chemical symbol for
MSE 230
Assignment 6
Fall 2013
(due 10/3, 10/4)
*Problems with an * by them will not be graded, but solutions will be provided. (problems
2, 5, 7 and 8 will be graded)
1*. A tensile stress is applied along the [001] in an aluminum single crystal.
[
]
a) I
MSE 230
Assignment 7
Fall 2012
(due 10/11, 10/12)
*Problems with an * by them will not be graded, but solutions will be provided.
1.* Callister Problem 5.6: The purification of hydrogen gas through a palladium sheet was
discussed in Section 5.3. Compute t
MSE 230
Assignment 8
(due 10/17, 10/18)
Fall 2013
*Problems with an * by them will not be graded, but solutions will be provided.
1. Parts a) and b) are from Problem 12.34 in Callister:
a) Suppose that Li2O is added as an impurity to CaO. If the Li+ subst
MSE 230
Spring 2011
Homework #3 Solutions
(20 pts) 1. The following are x-ray data taken from an unknown metal. The wavelength of the
copper x-ray radiation was 0.154 nm. Use the following calculation sequence to answer the
following questions:
a. Justify
Purdue University
School of Materials Engineering
MSE 230 Structure and Properties of Materials
Spring 2011
Lecture: Mondays and Wednesdays at 9:30 and 12:30 in ARMS 1010
Lecturer: Prof. Carol A. Handwerker, ARMS Room 2331, 494-0147, [email protected]
Spring 2011
Homework #12 Semiconductors and Thermal Properties (60 points)
(15 pts.) 1. Specify an acceptor impurity type and concentration (in atomic %) that will produce a
p-type silicon semiconductor having a room temperature electrical conductivity of
MSE 230
Assignment 4 (due 9/12, 9/13)
Fall 2013
*Problems with a * by them will not be graded, but solutions will be provided.
1. Find all 110
and
211
in (111) . Confirm your answers using the dot product.
2.*
I
(200)
50
40
40.5
60
70
73.8
58.7
2
The figu
Spring 2011
Homework #6 - Diffusion and Phase Diagrams (100 points)
(10pts) 1. Problem 5.6
This problem calls for the mass of hydrogen, per hour, that diffuses through a Pd sheet. It first
becomes necessary to use the equations in Section 5.3 on steady st
MSE 230
Spring 2011
Homework #3 X-ray Diffraction (60 points)
(Due Jan 27 or 28)
Spring 2008
Homework #3 X-ray Diffraction (50 points)
(20 pts) 1. The following are x-ray data taken from an unknown metal. The wavelength
of the copper x-ray radiation wasx-
MSE 230 Spring 2017 Homework# 10
Due in recitation the week of 4/10
Problem 1) Callister10.25: The figure below shows the continuous-cooling transformation
diagram for a 0.35 wt% C ironcarbon alloy. On this figure, sketch and label continuous-cooling
curv
MSE 230 Spring 2017 Homework# 9
Due in recitation the week of 3/27
A) The Fe-Fe3C Phase diagram
1) Compute the mass fractions of proeutectoid ferrite and pearlite that form in an iron-carbon
alloy containing 0.25 wt%C
2) The microstructure of an iron-carb
MSE 230 Spring 2017 Homework# 9
Due in recitation the week of 3/27
A) The Fe-Fe3C Phase diagram
1) Compute the mass fractions of proeutectoid ferrite and pearlite that form in an iron-carbon
alloy containing 0.25 wt%C
2) The microstructure of an iron-carb
MSE 230 Spring 2017 HW#7
Due in recitation the week of March 6th.
1) Consider a tungsten plate with an internal crack. Estimate the maximum stress at the tip of
the internal crack having a radius of curvature that is 100 times lattice parameter (100a) and
MSE 230 Spring 2017 HW#7
Due in recitation the week of March 6th.
1) Consider a tungsten plate with an internal crack. Estimate the maximum stress at the tip of
the internal crack having a radius of curvature that is 100 times lattice parameter (100a) and