MD simulations with a machine-learned potential demonstrate that structural fracture energy in silica glass increases with crack velocity below the branching threshold due to both elevated intrinsic surface energy density and nanoscale roughening.
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Energy dissipation at the atomic scale explains how fracture energy depends on crack velocity in silica glass
MD simulations with a machine-learned potential demonstrate that structural fracture energy in silica glass increases with crack velocity below the branching threshold due to both elevated intrinsic surface energy density and nanoscale roughening.