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The effect of random loading near-term correlation on the fatigue behaviour of a steel

✍ Scribed by D.S. Hoddinott

Publisher: Elsevier Science
Year: 1974
Tongue: English
Weight: 692 KB
Volume: 6
Category: Article
ISSN: 0013-7944
DOI: 10.1016/0013-7944(74)90054-x

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✦ Synopsis

The effect of the near-term correlation between individual cycles in a ~dndom loading signal on the fatigue life of a low-carbon steel has been investigated. By the manipuIation of cycles in one random signal, a second signal was generated in which onty the sequence of cycles was changed. Tests were carried out on shallow-notched cantilever specimens. The results showed that the change in the sequence of cycles had no effect on the overall fatigue lives in the range of 103-10' cycles. The sinusoidal fatigue limit, from 311 HI. constant amplitude tests, was at a stress of2 IS MNhn" (13.9 tons/in?).

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