Computer Science
Scientific paper
Jan 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990icar...83..156d&link_type=abstract
Icarus (ISSN 0019-1035), vol. 83, Jan. 1990, p. 156-182.
Computer Science
94
Collision Parameters, Hypervelocity Impact, Impact Strength, Scaling Laws, Solar System, Cements, Compressive Strength, Fragmentation, Velocity Distribution, Collisions, Laboratory Studies, Experiments, Scaling, Impacts, Strength, Fragments, Size, Velocity, Procedure, Data, Energy, Ejecta, Parameters
Scientific paper
Both homogeneous and inhomogeneous targets have been addressed by the present experimental consideration of the impact strengths, fragment sizes, and fragment velocities generated by cement mortar targets whose crushing strengths vary by an order of magnitude, upon impact of projectiles in the velocity range of 50-5700 m/sec. When combined with additional published data, dynamic impact strength is found to correlate with quasi-static material strengths for materials ranging in character from basalt to ice; two materials not following this trend, however, are weak mortar and clay targets. Values consistent with experimental results are obtainable with a simple scaling algorithm based on impact energy, material properties, and collisional strain rate.
Davis Donald R.
Ryan Eileen V.
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