How to develop a stree relaxation master curve

Initially, you will be given a group of data about the releationship between time and E in log scale at different temperature.

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First you should choose a reference temperature, as in this case, 148.6 is selected. Then plot these data in one single graph.

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Secondly, you should handle the data of different temperature.  And I choose 142.2 as an example. Hold the reference temperature 148.6’s graph as it was, and only move the 142.2’s graph horizontally to make it overlap with the curve of 148.6. Finally calculate the difference of x for 142.2’s curve.

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The graph below is the master curve you should get.

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