Answer Key HW 2 ME306 Fall 2009
10 points total
1. How many Na+ and Cl- ions are there in a single grain of salt from a salt shaker?
Assume the grain is cubic in shape and has an edge dimension of 0.5 mm. The unit
cell of NaCl is 0.564 nm on each edge. (3
Answer Key Homework Assignment 6 ME306 Fall 2009
1. Using the isothermal transformation diagram for a 1.13 wt% C steel alloy (Figure 11.49,
reproduced below), determine the final microstructure (in terms of just the microconstituents
present) of a small s
Answer Key Homework Assignment 5 ME306 Fall 2009
1. A 30 wt% Ni70 wt% Cu alloy is slowly cooled from 1300C (2372F) to 1100C (2012F).
See phase diagram below. (10 points total)
(a) At what temperature does the first solid phase form? (1 point) 1240C
(b) Wh
Answer Key Homework 4 ME306 Fall 2009
1. To provide some perspective on the dimensions of atomic defects, consider a metal specimen
that has a dislocation density of 105 mm-2. Suppose that all the dislocations in 1000 mm3 (1 cm3)
were somehow removed and
Answer Key HW 3 ME306, Fall 2009
(15 points total)
1. Do Problem 4.3 in Callister, p. 125 (This is copied below in case someone does not have the
text). (5 points)
Polytetrafluoroethylene
Solution
(a) From the tabulated data, we are asked to compute M n ,
Homework Assignment 1
ME306 Fall 2009
Due Monday, August 31 (10 points total)
This assignment is for perspective and fun, and ten easy points.
I. You are to determine as best you can the materials used in various parts of your car, or if you
do not have a
Answer Key Homework Assignment 6 ME306 Spring 2010
1. A 30 wt% Ni70 wt% Cu alloy is slowly cooled from 1300C (2372F) to 1100C (2012F).
See phase diagram below. (10 points total)
(a) At what temperature does the first solid phase form? (1 point) 1240C
(b)