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Metrology and Measurement Systems

The Journal of Committee on Metrology and Scientific Instrumentation of Polish Academy of Sciences

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Volume 19, Issue 4


Measurement Procedure of Ring Motion with the Use of Highspeed Camera During Electromagnetic Expansion

Jacek Janiszewski
  • Military University of Technology, Faculty of Mechatronics and Aviation, Kaliskiego 2, 00-908 Warsaw, Poland, +48 22 683 7345
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Published Online: 2012-12-28 | DOI: https://doi.org/10.2478/v10178-012-0071-2


An optical measurement method of radial displacement of a ring sample during its expansion with velocity of the order 172 m/s and estimation technique of plastic flow stress of a ring material on basis of the obtained experimental data are presented in the work. To measure the ring motion during the expansion process, the Phantom v12 digital high-speed camera was applied, whereas the specialized TEMA Automotive software was used to analyze the obtained movies. Application of the above-mentioned tools and the developed measuring procedure of the ring motion recording allowed to obtain reliable experimental data and calculation results of plastic flow stress of a copper ring with satisfactory accuracy.

Keywords: high-speed camera; electromagnetic expanding ring test; high-strain-rate deformation.

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About the article

Published Online: 2012-12-28

Published in Print: 2012-12-01

Citation Information: Metrology and Measurement Systems, Volume 19, Issue 4, Pages 797–804, ISSN (Online) , ISSN (Print) 0860-8229, DOI: https://doi.org/10.2478/v10178-012-0071-2.

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