Talk:Stress-strain curve

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Usually there is a change in slope when passing from Elastic to Plastic region, and this is the sign that we passed the Elastic region. Please correct.

hio, do not forget to discuss different measurements of stress strain, like engineering stress strain diagrams... important stuff.

[edit] Layout and extra detail

No insult intended but the previous layout with huge figures and little sentences between them was, shall we say, less than attractive and certainly not consistent with most wikipedia articles. It's still not perfect but I think it's a step forward. Alternate opinions are welcome.

At the moment the information is a little limited and naive - it reads a bit like an 1st year text book. I've tried to add a little more detail but I've run out of time. I'll get back to it when I can (after the hols I guess)

Things to do:

• Precise definitions of elastic limit, proportional limit, yield, luders strains, uniform elongation, necking, etc.
• Considere's criterion for instability?
• Better links between Yield (engineering), Stress (physics), Tensile stress, etc
• Expand brittle materials section
• yield curves of polymers and elastomers
• brittle/ductile transitions? Maybe not
• Merge with yield article? Maybe not
• Non tension - torsion, bending, etc?

Cheers, Slinky Puppet 19:02, 20 December 2005 (UTC)

needs heaps more info (see Materials by Callister) and some references