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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
Fatigue 139
Effect of mean stress
For any particular value of the mean stress it is possible to determine an SIN
graph. When the mean stress is zero the fatigue limit that is given is that which
occurs in the absence of any stress, however when the mean stress is tensile
strength for the material, then the fatigue limit is zero since the material fails
without any cycles being undertaken. Between these two limits of mean stress,
increasing the mean stress decreases the fatigue limit. A number of empirical
relationships have been devised to describe the relationship between fatigue
limit and the mean stress.
-Fatigue limit with
zero mean stres ...
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Publisher Resources

ISBN: 9781483141077