I have a requirement to relate SN curves for a material that has been tested with a R-ratio of 0.1 to my specific requirements which involve r-ratio 0f around 0.8.
Does anyone know of a mathematical correction method that could be applied to the original data curve.
I am trying to avoid time...
Can anyone please advise,
I have a requirement to perform fatigue testing on some Super duplex tubes which contain butt welds in the centre.
Strain has to applied in the weld area.
Resonant frequency testing has been specified which is fine but very expensive.
An alternative suggestion for a...
