Superplastic extensibility of nanocrystalline copper at room temperature

Lu1, Sui, Lu

  • 1State Key Laboratory for Rapidly Solidified Non-equilibrium Alloys, Laboratory for Atomic Imaging of Solids, Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110015, People's Republic of China.

Science (New York, N.Y.)
|February 26, 2000
PubMed

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Plasticity

Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...