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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
238 Engineering Materials Technology
The lower critical point, i.e. 723°C, is denoted as A\ and marks the
transformation from a ferrite-plus-pearlite structure to one of ferrite-plus-
austenite. The upper critical point is denoted as A
3
and marks the transform-
ation from a ferrite-plus-austenite structure to one of just austenite.
For a hypereutectoid steel the lower critical point A
\
marks the transform-
ation from a steel with a structure of pearlite plus cementite to one of austenite
plus cementite. The upper critical point marks the transformation from the
austenite-plus-cementite structure to austenite and is denoted by A
cm
.
Cooling curve ...
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Publisher Resources

ISBN: 9781483141077