Railgun rail gouging by hypervelocity sliding contact

Journal Article · Sun Jan 01 00:00:00 EST 1989 · IEEE (Institute of Electrical and Electronics Engineers) Transactions on Magnetics; (USA)

DOI:https://doi.org/10.1109/20.22510· OSTI ID:5463193

Barker, L M; Trucano, T G ^[1]; Susoeff, A R ^[2]

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1. Sandia National Labs., Albuquerque, NM (USA)
2. Lawrence Livermore National Lab., CA (USA)

A description is given of a recently resolved mechanisms of gouging which occurs during hypervelocity sliding contact between two materials. A parameter study based on computer modeling of the gouging mechanism is presented in which gouging velocity thresholds are determined for several combinations of sliding materials. Materials which can gouge each other are found to do so only within a certain range of velocities. Related calculations of gaseous material ahead of railgun projectiles are also presented. Gun bore gouging experience with the Lawrence Livermore National Laboratory railgun project is reviewed.

• OSTI ID: 5463193
• Journal Information: IEEE (Institute of Electrical and Electronics Engineers) Transactions on Magnetics; (USA), Vol. 25:1; ISSN 0018-9464
• Country of Publication: United States
• Language: English

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