Abstract

It is difficult to determine experimentally the nanometer level structure of shockwave propagating in solid materials. In present study, molecular dynamics (MD) simulation is performed to clarify quantitatively the atom level structure of shockwave propagating in fcc crystalline Al or Ni in the <100> direction. Simulated metal to metal collision model is similar to the experimental equipment of the split Hopkinson pressure bar which is used for the high strain rate deformation test. The non-closed pack (100) plane of the fcc crystal is the collision plane.

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