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Max temperature in Dynamic Mechanical Testing

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Posts: 4
Topic starter
(@nlynch066)
New Member
Joined: 13 years ago

Hi,

I am trying to evaluate viscoelastic properties of a rubber material using Dynamic Mechanical Analyser. The frequency range of my interest is up to 8 KHz. I read in literature that using Time Temperature Superposition technique (or frequency shifting) we can convert data at extended temperatures to higher / lower frequencies.

Can someone suggest if there is a formula or thumb rule as to the minimum temperature down to which I should test the sample for getting master curve up to 8 KHz ?

Thank you.

Kind regards

Kiran

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