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Engineering Materials Technology, 2nd Edition
book

Engineering Materials Technology, 2nd Edition

by William Bolton
October 2013
Intermediate to advanced content levelIntermediate to advanced
468 pages
20h 15m
English
Newnes
Content preview from Engineering Materials Technology, 2nd Edition
190 Engineering Materials Technology
Figure 10.12 shows the results of Table 10.3 graphically. Between 0.3 T
m
and 0.5 T
m
there is a very large change in hardness. The strength also decreases
while the elongation increases. What is happening is that the metal is
recrystallizing.
100 r
80 ^^S.
ε
ω
\ \
1
40
L
\
| ,
300
1
1 i . * A
100 200 300 400 500
Temperature (°C)
400 500 600 700 800
Temperature (K)
1
,-L
1 1
*
600
i
900
0.3
T
m
0.4
T
m
0.5
T
m
0.6
7,
Figure 10.12 The effect of heat treatment on cold-worked copper
With
recrystallization
crystals begin to grow from nuclei in the most heavily
deformed parts of the metal. The temperature at whic ...
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Publisher Resources

ISBN: 9781483141077