Mark,
It sounds like you've got the idea, as far as I see it. Take the entire region
under the curve.
I've been having a hard time finding stress-strain curves for various
materials. Matweb doesn't
have them. The examples in my text books are usually generic and not-to-scale.
Anyone know of a
good source online? I'm interested in the 1010 reference material, 6061-t6,
and 4130.
Ian - SJSU
--- Mark Fischer <fischerman19@hotmail.com> wrote:
> We are a first year team and have a question for everyone.
> Can someone explain to us how to perform an equivalency calulation for the
> drivetrain shield material. It says you use the area under the
> stress/strain curve. Do we use the area under the elastic region? Do we
> use the area under the entire curve? It says at rupture so I'm assuming it
> is under the entire curve. It also says per unit width but stress is
> already in area so all you have to do is multiple both by 1 in to get to
> unit width. Is this just for the sake of engineering or am I being stupid
> here and have this all wrong.
>
> Can someone possibly send me an example or tell me what they used and verify
> that it is OK. We're just looking at using 6061-T6 aluminum sheet to save
> weight but have to make sure it is OK first. Any responses would be
> appreciated.
>
> Mark Fischer
> Marquette Mini-Baja
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