17 May 2019 Deformation Behaviour
The shape of a Stress-Strain Curve allows a handy overview on the deformation behaviour of a material.
for information on how Stress-Strain Curves are generated.
For many materials, the Stress-Strain Curve is a straight line up to the Yield point. Such a behaviour is called linear-elastic and is typical for metals. Beyond the Yield point, metals behave plastically and non-linearly.
Some materials behave elastically until failure. That means, they don’t deform plastically at all. That is typical for Fibre Reinforced Plastics (FRP) and ceramics including glass.
Other materials, like rubber, behave purely elastic, but with a highly non-linear stress-strain curve.
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