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Creep Constants

Question asked by Andrew Paino on Dec 30, 2013
Latest reply on Dec 31, 2013 by Jared Conway

I am trying to determine the constants described in the help file to model creep life with simulation. Does anyone have any experience doing this? So far, I haven't been able to find a valid solution using a system of four equations. I found the link showing an example problem where C2 is assumed to be 1 (http://www.motovated.co.nz/newsletter/aug13/FAQID__x394.pdf); the only problem with this is they say it is usually safe to assume C2 = 1, but don't say when it is not. Below is an image of the creep life data we're using to determine the constants. We will be using Heat No. WWS.

 

Mar Creep.jpg

 

Any help would be greatly appreciated.

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