Amplitude Sweep – non vulcanized sample

The dynamic testing in quality control and R&D departments is conducted by an Visco-Elastograph (VE) or Rubber Process Analyzer (RPA) which enables the option of an amplitude sweep. The chart shows an amplitude sweep, which is being used to judge the network that is arised during vulcanization.

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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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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...

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