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Impact experiments. III - Catastrophic fragmentation of aggregate targets and relation to asteroidsAn experimental study is conducted of collisions employing artificial aggregates as targets, in order to ascertain the fragmentation characteristics of weakly bonded bodies that consist of stronger constituent particles, such as loosely aggregated planetesimals. It is established that weakly bonded aggregate bodies may exhibit unexpectedly high impact strengths due to constituent particles' energy dissipation. The cumulative size distributions of fragments that are larger than the constituent grains form power-law segments resembling those formed by the fragmentation of homogeneous targets.
Document ID
19920035359
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Ryan, Eileen V.
(Planetary Science Inst. Tucson, AZ, United States)
Hartmann, William K.
(Planetary Science Inst. Tucson, AZ, United States)
Davis, Donald R.
(Planetary Science Institute Tucson, AZ, United States)
Date Acquired
August 15, 2013
Publication Date
December 1, 1991
Publication Information
Publication: Icarus
Volume: 94
ISSN: 0019-1035
Subject Category
Lunar And Planetary Exploration
Accession Number
92A17983
Funding Number(s)
CONTRACT_GRANT: NASW-4624
Distribution Limits
Public
Copyright
Other

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