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Rotating Bar Bending Fatigue Test

Rotating Bar Bending Fatigue Test

In many applications, wires are subjected to various cyclic stresses. Fatigue strength can be determined quickly and easily in rotating bar bending fatigue tests, in which the rapidly rotating (up to 6000 rpm) specimen is additionally loaded with a force perpendicular to the axis of rotation. This flexure plus the rotation provides a tensile-compression loading of the specimen surface.
Specimen preparation is especially important here, an undamaged surface being essential.


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