| Abstract Scope |
This study explores the response of Al-Ni alloys and compounds under shock loading with the use of molecular dynamics (MD) simulations. First, the study examines the effects of shocking fcc nickel aluminum solid solutions with 1, 4, and 6.5 at% aluminum. The study also explores the effect of crystallographic orientation on shocking intermetallic compounds Al3Ni and AlNi3 along the [001], [011], and [111] directions. The analysis then continues onto superalloys, shocking Ni matrices with AlNi3 precipitates and shocking Al matrices with Al3Ni precipitates. Superalloy-based simulations are conducted with precipitates of varying volume and position to better observe their effect on shock propagation. The Hugioniot and equations of state are derived for each simulation and metastable melting is analyzed. Finally, the study bridges the gap between the atomistic and continuum scales by applying material outputs from the MD simulation into a continuum hydrodynamic model. |