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Re: [ATM] Blank ratios for different materials.
Dominic,
Bending is determined by the sheer/strain relation, or elasticity (Youngs')
modulus of the material, at least in the reversible part of the graph. There
is a point where the relation becomes non-reversible, this is where
deformation or even fracture happens.
In principle the modulus can very well be the same while the materials still
have a different yield or breaking strength.
See http://en.wikipedia.org/wiki/Stress-strain_curve
PLOP contains values of E for plate and pyrex.
... Arjan
> the amount you can bend them before they break was remarkably
> different. That led me to believe that the amount they would
> sag under their own weight would also be very different. In
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