Measurement of dynamic electrical conductivity of MFCG armature material under conditions of shock and high strain rate loading

Jahan Rasty, Xiaobin Le, Andreas Neuber, Jiande Zhang, Jim Dickens

Research output: Contribution to conferencePaper

2 Scopus citations

Abstract

Characterization of changes in the conductivity during the shock loading process is of paramount importance in estimating the efficiency of Magnetic Flux Compression Generators. In this study, the main emphasis was the characterization of dynamic conductivity of the armature material during the shock-loading phase. A Split Hopkinson Pressure Bar apparatus was utilized to subject as-received and annealed specimens of OFHC copper to various shock pressures. Experiments conducted to measure the resistivity of Cu specimens indicated that resistivity initially decreases, followed by a sharp increase before decreasing to a steady state value. Depending on the magnitude of the shock pressure, resistivity changes in excess of 200% were recorded.

Original languageEnglish
Pages708-711
Number of pages4
StatePublished - Dec 1 1999
Event12th IEEE International Pulsed Power Conference - Monterey, CA, USA
Duration: Jun 27 1999Jun 30 1999

Conference

Conference12th IEEE International Pulsed Power Conference
CityMonterey, CA, USA
Period06/27/9906/30/99

    Fingerprint

Cite this

Rasty, J., Le, X., Neuber, A., Zhang, J., & Dickens, J. (1999). Measurement of dynamic electrical conductivity of MFCG armature material under conditions of shock and high strain rate loading. 708-711. Paper presented at 12th IEEE International Pulsed Power Conference, Monterey, CA, USA, .