MAT 33 Fall 2011
Homework #5
1. The diffusion coefficients for Cu in Ni are given at two temperatures:
D (m2/s)
T (oC)
8.35 x 1016 1000
1.28 x1020
600
a) Determine the values of D0 and the activatio
MAT 033 Engineering Materials and Processes 2011 Fall Final exam
Monday December 19, 8:0011:00 am
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MAT 33 Fall 2011
Homework #5
Due: 10/03/11
1. The diffusion coefficients for Cu in Ni are given at two temperatures:
D (m2/s)
T (oC)
16
8.35 x 10
1000
20
1.28 x10
600
a) Determine the values of D0 a
MAT33Fall2008Homework#5Solutions Due:10/06/08
1.) The diffusion coefficient of Ni in an austenitic stainless steel is 1022 m2/s at 500oC and 1015 m2/s at 1000oC. From this information, calculate th
MAT 033 Engineering Ma Leriuls and Prucesses 200% Fall
Finnf Exam
December 15. 20:]:
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Prnfesmrickm Th :ID
mecssor Pearson F 3:13
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MAT 33 Fall 2011
Homework #10
1.) A hypothetical AB alloy of composition 55 wt% B45 wt% A at some
temperature is found to consist of mass fractions of 0.52 and 0.48 for the and
phases, respectively.
MAT 33 Fall 2011
Homework #10
Due: Dec./5/'11
1.) A hypothetical AB alloy of composition 55 wt% B45 wt% A at some
temperature is found to consist of mass fractions of 0.52 and 0.48 for the and
phases
MAT33 Engineering Materials and Processes Third Exam  Monday 18th December 2006 . Professor Pearson Th 12.10pm Professor Marder Th 1.10pm Professor Soukhojak Fr 8.10am Professor Soukhojak Fr 9.10am P
MAT 33 Fall 2007 Due: 10/15/07
Homework #5  Solutions
1.) The diffusivity of copper atoms in the aluminum lattice is 7.5 x10 13 m2/s at 600oC and 2.50 x 1015m2/s at 400oC. Calculate the activati
MAT 33 Fall 2008 Due: 09/22/08
Homework #4  Solutions
1.) Calculate the number of vacancies per cubic meter in Au at 900oC. The energy for vacancy formation is 0.98 eV per atom. Furthermore, the d
MAT 33 Fall 2008 Due: 11/24/08
Homework #9 Solutions
1.) Consider an 85 wt% Ag15 wt% Cu alloy in equilibrium at 800oC.
a.) What phase(s) is (are) present? b.) What is (are) the corresponding pha
MAT 33 Fall 2008 Due: 11/17/08
Homework #8 Solutions
1.)
specimen of a ceramic material having an elastic modulus of 250GPa is pulled in tension with a stress of 750MPa. Will the specimen fail i
SOLUTIONS: Mat. 33: Homework #6
Spring Semester 2012
Due: 3/12
M
(Callister 9.8) A large plate is fabricated from a steel alloy that has a plane strain fracture
toughness of 55 Wax/m (50 lam/E). If th
MAT 33 Fall 2016
Due: 09/05/16
Homework #1
1) What bonding type would be expected for the following materials?
a.) germanium
b.) platinum
c.) calcium oxide
d.) sodium bromide
e.) hydrogen fluoride
f.)
MAT 33 Fall 2016
Homework #4
Due: 09/26/16
1.)
(a) Calculate the number of vacancies per cubic meter in FCC Pt at 1000 oC. The
energy for vacancy formation is 1.16 eV per atom. Furthermore, (b) calcul
MAT 33 Fall 2016
Due: 10/31/16
Homework #7
1. The yield stress for an iron that has an average grain diameter of 4.0 x 10 2 mm is 160
MPa. At a grain diameter of 2.2 x 103 mm, the yield stress incre
MAT 33 Fall 2016
Homework #3
Due: 9/19/16
1. On the basis of ionic charge and ionic radii, predict crystal structures and coordination
numbers for the following materials:
a) CdTe
b) CdO
c) CsBr
Justi
MAT 33 Fall 2016
Homework #10
Due: Nov./21/'16
1. The MgPb phase diagram is shown below.
1. What is the maximum solubility of Pb in ?
2. For what alloy composition are the equilibrium weight fraction
MAT 033
Engineering Materials and Processes
2013 Fall exam
Monday December 16, 4:00 pm
NAME
Section
.
Prof. Jedlicka
Th 12:10 pm
a
Prof. Strandwitz Th 1:10 pm
Prof. Cheng
a
Fr 11:10 am
a
Prof. Strandw
MAT33Fall2016Homework#2
Due:09/12/16
1. Platinum (Pt has a fcc crystal structure and an atomic radius of 0.139 nm. Calculate
its theoretical density (in g/ cm3). The atomic weight of Pt is 195.08 g/mo
MAT 33 Fall 2016
Homework #10
Due: Nov./21/'16
1. The MgPb phase diagram is shown below.
1. What is the maximum solubility of Pb in ?
2. For what alloy composition are the equilibrium weight fraction
MAT 33 Fall 2016
Homework #6
Due: 10/24/2016
1.)
A cylindrical specimen of some metal alloy 12mm in diameter is stressed
elastically in tension. A force of 26,500N produces a reduction in specimen
dia
MAT 33 Fall 2016
Homework #8
Due: 11/07/16
1. An aircraft component is fabricated from an aluminum alloy that has a fracture
toughness of 37.0 MPa/m1/2. It has been determined that fracture results at
MAT 33 Fall 2016
Homework #7
Due: 10/31/16
1 The yield stress for an iron that has an average grain diameter of 4.0 x 102 mm is
160 MPa. At a grain diameter of 2.2 x 103 mm, the yield stress increas
MAT 33 Fall 2016
Homework #9
Due: Nov./14/'16
1. A Cu20 wt% Ni alloy is slowly cooled from 1300C to 1100C.
A. (a) At what temperature does the first solid phase form?
(b) What is the composition of t
MAT 33 Fall 2016
Optional work
Due: Dec./5/'16
1. Use the AlNi phase diagram given below to answer following questions.
a) List one of peritectic reactions in this AlNi system
b) What is the atomic
MAT33Fall2016Homework#5
Due:10/3/16
1. Zircalloy is a zirconium alloy used to clad nuclear fuel. Diffusivity of oxygen in
zircalloy at 1000oC is 9.89 x 1013 m2s1; concentration of oxygen on the insi
Mat33: Spring 2012
SOLUTIONS Homework #8 (50 pts total)
Due: 4/2/12
Question 1 [18 pts[
For each of the following ailoy compositions and temperatures, cite the phaseor phases that are
present, the p
Mat. 33 Spring 2012
SOLUTIONS Homework # 10
Due in Class: 4/16/12
50 points possible
1) (6 points) Briefly cite the differences between pearlite and bainite relative to a) microstructure and b)
mechan
MAT 33 Spring 2012
Homework #9
Due: Apr./9/'12
1.) For alloys of two hypothetical metals A and B, there exist an , Arich phase and
a , Brich phase. From the mass fractions of both phases for two dif
MAT 33 Spring 2012
Homework #11
Due: Apr./23/'12
1.) The electrical conductivity of aluminum is 3.8 x 107 (m)1. Using this value,
answer following questions. (a) Compute the resistance of an aluminum
Spring Semester 2012: Mat. 33
Homework 2
Due: Monday 2/6
1) On the basis of ionic charge and ionic radii, predict crystal structures and
coordination numbers for the following materials:
i)
MnS
ii)
Cs