Homework 1 Solutions
Problem 1
1) Differentiate:
Set to 0
Equate
2) Solve for r
(
)
( )
(1)
3) Plug equation for ro back into EN to solve for Eo
(
)
(
)
(
)
(
)
For the final part we are given:
ro=0.2
MSE 220
Homework 4 Solutions
Fall 2014
Problem 1
The problem gives the surface crack dimensions and applied stress resulting in fracture, so we
can approach the problem using equation 8.1 to find the
MSE 220
Homework 2 Solutions
Fall 2014
Problem 1
(a)
This problem is solved using the equation:
= exp
Atomic density :
(7.65 g/cm )(6.022 10 atom/mol)
=
=
= 8.25 10 atom/cm
(55.85 g/mol)
All other
Material Science and Engineering 220 (Winter 2015)
Introduction to Materials and Manufacturing
Solution set
Homework 4, Due Thursday, February 5th, 2015 in discussion section.
1.) Calculate the fracti
Material Science and Engineering 220 (Winter 2015)
Introduction to Materials and Manufacturing
Homework 5, Due Monday, February 16th, 2015 in class
1.) A cylinder of titanium (E = 107GPa) with an orig
Material Science and Engineering 220 (Winter 2015)
Introduction to Materials and Manufacturing
Homework 7, Due Monday, March 16th, 2015 in class
Solution set
1.) Find a copper/nickel phase diagram (th
Material Science and Engineering 220 (Winter 2015)
Introduction to Materials and Manufacturing
Homework 8, Due Friday, March 20th, 2015 in class
1.) A 35 wt% aqueous/NaCl solution with the following p
Material Science and Engineering 220 (Winter 2015)
Introduction to Materials and Manufacturing Solutions
Homework 10, Due Monday, April 13th, 2015 in class
1.) For a glass fiber (E= 72.5 GPa, tensile
Material Science and Engineering 220 (Winter 2015)
Introduction to Materials and Manufacturing
Homework 9, Due Monday, April 6th, 2015 in class
1.) Problem 14.3 from Callister 4th ed., List 4 instance