Frequency dependance of the phase angle

The definition of the phase angle is the time dependence of the shear deformation and the received torque-signal. Based on the trend of the phase angle a conclusion about the damping behaviour of the compound can be given (the test here at a completely vulcanized compound).

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Amplitude Sweep – non vulcanized sample

The Visco-Elastograph (VE) or Rubber Process Analyzer (RPA) enables the option of an amplitude sweep of a non vulcanized sample...

 

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Amplitude Sweep – vulcanized sample

To analyse the network of a vulcanized rubber sample...

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Payne-Effect

The Payne-effect describes the alteration in the polymer properties, which are caused of mechanical stress...

 

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