Photo by Nate Edwards
Photo by Nate Edwards
It may not be as catchy as chains and weak links, but physicists and engineers know “a material is only as strong as its weakest grain boundary.”
OK, that’s not catchy at all, but here’s the point: grain boundaries are a big deal. They are the microscopic, disordered regions where atom-sized building blocks bind the crystals (i.e. grains) together in materials.
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