MSE 540 - Fall 2015
Exam #2
Name:
Date:
MSE 540
Exam 2
(Due by 5:00 pm on Friday 11 December 2015)
Honor statement:
I affirm that this document represents my own independent work
and that I did not discuss this exam nor share my answers with
anyone else.
Experiment 3
Linear Absorption Coefficient
Objective:
1- Verification of the absorption law of Gamma radiation.
2- Determination:
a. The linear absorption coefficient ().
b. The mass absorption coefficient.
c. The half value thickness of the absorbing mat
EDDY CURRENT MEASUREMENTS/INSPECTIONS
A. Determining the Conductivity of a Material Using Eddy Currents.
Objective:
To investigate how eddy current measurements can be used to sort materials based on
conductivity and permeability changes.
Part 1 - Complex
EDDY CURRENT TESTING
Brian Larson
EM/MSE 362L
Outline
Generation of eddy currents
Eddy current signals and the impedance plane
display
Inspection applications
Equipment utilized in eddy current inspection
Probes/Coils
Instrumentation
Reference standa
Name_
This exam contains 8 pages.
Please make sure you have them all.
Useful equations:
MatE 456/MSE 556
Exam 2
Oct. 30, 2013
Expressions for the molecular weight (MW) of degrading polymers vs. time:
k t
1
1
eff
MW MW0
MW
kACt
e eff
MW
0
Merrill-Peppas
Name_
This exam contains 9 pages.
Please make sure you have them all.
Mat E 456/MSE 556
Exam 2
March 26, 2012
Useful equations:
Expressions for the molecular weight (MW) of degrading polymers vs. time:
k t
1
1
=
+ eff
MW MW0
MW
k AC t
= e eff
MW0
Merrill
Name_
This exam contains 8 pages.
Please make sure you have them all.
MatE 456/MSE 556
Exam 2
Oct. 24, 2014
Useful equations:
Expressions for the molecular weight (MW) of degrading polymers vs. time:
keff t
1
1
MW MW0
MW
kACt
e eff
MW
0
Merrill-Peppas m
TISSUE ENGINEERING
Volume 9, Number 3, 2003
Mary Ann Liebert, Inc.
Macroporous Biphasic Calcium Phosphate Scaffold with
High Permeability/Porosity Ratio
SHIHONG LI, Ph.D.,1 JOOST R. DE WIJN, Ph.D.,1,2 JIAPING LI, M.Sci.,1
PIERRE LAYROLLE, Ph.D.,1 and KLA
Exam 2
Model Solutions
BE.462J/3.962J
Spring 2003
(80 points total possible)
1. (10 points) Explain the phenomenon of pH-sensitive swelling in polyelectrolyte hydrogels.
Why does the swelling depend on pH? Why does it depend upon ionic strength of the
sol