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
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
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 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
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
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
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
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
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
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,
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
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
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
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
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 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
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
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
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, handwerker@purdue.edu
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
MSE 230 Fall 20011 HW#11 Due in recitation the week of November 28th A) Electrical Properties 1) Callister 18.1 (a) Compute the electrical conductivity of a 7.0-mm diameter cylindrical silicon specimen 57 mm long in which a current of 0.25 A passes in an
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
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 #2 Bonding and Miller Indices (110 pts)
(Due Jan 20 or 21)
(10 pts) 1. Prepare a simple table that looks like the one below. Fill in the blanks.
Bonding Type
Metallic
Electrons are
Relative Strength*
Material or Class
shared
Spring 2011
Homework #9 Ceramics (100 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 eutecto
ME 323 Examination # 1
Name _
(Print)
(Last)
(First)
October 1, 2014
Instructor _
PROBLEM #3 (12 points)
Senias 50 25 tensile test specimen, shown below, was bumped by a clumsy co-worker.
The axially-oriented strain gauge appears to have become uncalibrat
ME 323 Examination # 1
Name _
(Print)
(Last)
(First)
October 1, 2014
Instructor _
PROBLEM #1 (22 points)
A rigid frame ABC shown in the figure below (L1 = 1 m and L2 = 0.50 m) is supported by a steel pin
(cross-sectional area AB = 80 mm2, failure or yield
Spring 2013
Homework #2B Bonding and Cubic Crystal Structures (80 pts)
(10 pts) 1. Prepare a simple table that looks like the one below. Fill in the blanks.
Bonding Type
Electrons are
Metallic
Mobile
Covalent
shared
Ionic
Van der Waals
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* ver
MSE230 -Spring 2013
Homework 4A Learning Strategies (50 pts)
Name: Pratik Chawla
What is your undergraduate major?
Mechanical Engineering
What are your career goals after graduation?
To work in a company manufacturing and designing several products like I