Experimental studies on dynamic tension of metal ring by electromagnetic loading

GUI Yu-lin; SUN Cheng-wei; LI Qiang; ZHANG Guang-sheng

doi:10.11883/1001-1455(2006)06-0481-05

Volume 26 Issue 6

Nov. 2014

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GUI Yu-lin, SUN Cheng-wei, LI Qiang, ZHANG Guang-sheng. Experimental studies on dynamic tension of metal ring by electromagnetic loading[J]. Explosion And Shock Waves, 2006, 26(6): 481-485. doi: 10.11883/1001-1455(2006)06-0481-05

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GUI Yu-lin, SUN Cheng-wei, LI Qiang, ZHANG Guang-sheng. Experimental studies on dynamic tension of metal ring by electromagnetic loading[J]. Explosion And Shock Waves, 2006, 26(6): 481-485. doi: 10.11883/1001-1455(2006)06-0481-05

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Experimental studies on dynamic tension of metal ring by electromagnetic loading

doi: 10.11883/1001-1455(2006)06-0481-05

1.
Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, Sichuan, China

Publish Date: 2006-11-25

Abstract

Abstract

The dynamic tension experimental technique of electromagnetically driven thin metal rings expansion was described, and quick-discharge switch and cut-off switch were improved to achieve rings free expansion. The approach is useful for studies on material constitutive relationship, dynamic fracture and fragmentation. The main circuit current was measured by Rogowski probe, and the expansion velocity was obtained from slit scanning cameras displacement measurement. The flow stress, strain, strain rate, expansion velocity and temperature rise of ring was obtained by electrodynamics analysis calculation.
- mechanics of explosion,
- electromagnetically driven ring expansion,
- dynamic tension,
- metal ring,
- Rogowski probe,
- slit-scanning camera

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