From "Smaller is Stronger" to "Size-Independent Strength Plateau": Towards Measuring the Ideal Strength of Iron

The trend from “smaller is stronger” to “size‐independent strength plateau” is observed in the compression of spherical iron nanoparticles. When the diameter of iron nanospheres is less than a critical value, the maximum contact pressure saturates at 10.7 GPa, corresponding to a local shear stress o...

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