Metals

WE associate metals with hardness, toughness, and strength. But a curious paradox lies at the root of the valuable mechanical properties of the metallic state: in order to be strong, a metal must be weak. This paradox, and the equally surprising fact that, in a sense, metals are not true solids at all, are among the topics here discussed by Sir Lawrence Bragg.
Keywords: atoms, cold-worked, electropositive, iris, metal, Iron, Materials, metals, Power, Stone, Strain, Strength, Structure, Yield
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