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Time Temperature Superposition

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Topic starter
New Member
Joined: 11 years ago

Hi everybody,

I have the test data from ageing process for different temperatures and would like to build a master curve from that.How should one fit the Arrhenius and also WLF coefficients?should I follow these steps?

1.choose a curve as a reference temperature and a second one to calculate shift factor

2.calculate shift factor aT

3.derive k for Arrhenius / or C1 and C2 for WLF

4.apply k to calculate the shift factor for other temperatures / apply C1,C2 to calculate the shift factor for other temperature

5.shift curves with newly calculated values

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