Numerical analysis of strain rate sensitivity in ball indentation on cohesive powder Beds
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Graphical abstract
Stresses become strain rate dependent for dimensionless strain rates greater than unity. Below this limit the quasi-static regime is observed. There are notable fluctuations beyond the quasi-static regime, and the data presented here are averaged.
Keywords
Flowability
DEM
Indentation on powder bed
Strain rate
Cohesive powder
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