ME 3300 Materials Science
Chapter 4 Homework Solution
4.34 For an ASTM grain size of 8, approximately how many grains would there be per square inch at
(a) a magnification of 100, and
(b) without any magnification?
(a) This part of pr
Homework Solution (8th Edition)
5.11 Determine the carburizing time necessary to achieve a carbon concentration of 0.45 wt% at a position 2 mm
into an ironcarbon alloy that initially contains 0.20 wt% C. The surface concentration is to
CHAPTER 9 (Part I)
9.8 Cite the phases that are present and the phase compositions for the following alloys:
(a) 90 wt% Zn-10 wt% Cu at 400C (750F)
(b) 75 wt% Sn-25 wt% Pb at 175C (345F)
(c) 55 wt% Ag-45 wt% Cu
THE STRUCTURE OF CRYSTALLINE SOLIDS
3. 17 Titanium has an HCP unit cell for which the ratio of the lattice parameters c/a is 1.58. If the radius of the Ti
atom is 0.1445 nm, (a) determine the unit cell volume, and (b) calculate
Chapter 9 Part II
9.46 Compute the mass fractions of ferrite and cementite in pearlite.
This problem asks that we compute the mass fractions of ferrite and cementite in pearlite. The lever-rule
expression for ferrite is
C Fe C C 0
Materials nceI :? ., ._ , _ _ . .
1 . .
Test#l, Spring 2013 / f /243 7 . , ,
Close book '
w rs as required. (1.5 pts/blank)
A) Fill 1n the blanks or choose the right ans
1. With only one kind of metalli atom present, the atomic packing/fayrs for fee and
M1333 00 Materials Science I \ Name: _
Test 3, Spring 2013 s 49/ goo/l VUII) (last 4 di_i :
A. Fill in the blanks: (2 pts/blank)
1) During the tensile test, ductility an be measured in rule wfys. One of them is 71> alonga "\ and the
17:8er cfw_W 2717: 1:3,. 9 $13 digit)?
ME 3300 Spring 2013 Name:
Test 2: Phase diagram and Assignment 1 VUID (last 4 digits)
Section: 10:00 am. 11:30 am
A. Fill in the blanks: (1 .Spts/blank)
1. Austenite has a BCC,FWC, HCP unti cell (choose one) It IS al