New criteria to determine whether shear bands are beneficial or harmful to crystalline materials

Shear band formation is not typically a good sign in a material—the bands often appear before a material fractures or fails. But materials science and engineering researchers at the University of Wisconsin–Madison have found that shear bands aren’t always a negative; under the right conditions, they can improve the ductility, or the plasticity, of a material.


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Source: Phys.org