The mean stress influence of rope wires stressed by tension-tension

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In tension-tension tests the amplitude stress as well as the mean stress can be adjusted to any desired level. For a common evaluation of all tension-tension tests amplitude and mean stresses should be substituted by an equivalent amplitude stress. For determination of these equivalent stress the so called mean stress influence hast to be known.  

In the following, suitable models will be presented which allow a common evaluation of all tension-tension tests and also a general description of rope wire fatigue behavior.


by Ulrich Briem