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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
40 Engineering Materials
Technology
Figure 2.18 Dislocations in niobium under increasing strain. There is an increase in
dislocation density (From Harris,
B.
and Bunsell,
A.
R.,
The Structure
and
Properties
Engineering
Materials,
Longman)
applied to the material to cause a precipitation to occur within the material.
The alloying of metals involves the introduction of foreign atoms into the
crystal lattice. These produce interstitial and substitutional point defects
which hinder the movement of dislocations, hence increasing the yield stress.
This is referred to as
solution
hardening.
Dislocations can annihilate each other if they are of opposit ...
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Publisher Resources

ISBN: 9781483141077