Fall 2012 ME 395 - GSI Josh Lacey

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 Question about what we need to do for recommendation

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taelee



Posts : 2
Join date : 2012-09-16

PostSubject: Question about what we need to do for recommendation   Sun Sep 30, 2012 3:49 pm

Hi Josh

Our team had a question on the recommendation part of the report.
So after recommendation, are we supposed to include a new true stress and true strain curve?
or do we keep the true stress and strain curve that we obtained during the lab, even after our recommendation?


Thank you
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GSI Overlord
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Posts : 126
Join date : 2012-08-30

PostSubject: Re: Question about what we need to do for recommendation   Sun Sep 30, 2012 5:44 pm

You just need to report the yield stress of your final product (processed brass) with uncertainty, and that needs to be consistent with your nominal stress-strain curve. You could re-plot the nominal stress-strain curve with and show where the final product will lie on that curve, or maybe just put an X (with error bars!) on the curve to signify the final yield stress of the finished product.

Also, I'm not quite sure what you mean by a 'new' true stress and true strain curve...there's only one for the given brass material.

I think as a procedural point you aren't supposed to be including figures in your recommendations, but you could check with the Tech Com people about that.
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