Young's modulus is a crucial mechanical property in engineering, as it defines the stiffness of a material and tells us how much it will deform for an applied stress.

In this video I take a detailed look at Young's modulus, starting with tensile tests and stress-strain curves, all the way through to what is happening at the atomic scale.

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ERRATA:
- At 05:27 steel is incorrectly shown as being a substitutional alloy. It is actually an interstitial alloy, where the carbon atoms are located between the iron atoms.

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The Efficient Engineer is a channel aimed at mechanical and civil engineers. The mission is to simplify engineering concepts, one video at a time!

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