Previous methods of measuring high velocity deformation in electromagnetic forming and magnetic pulse welding include Photon Doppler Velocimetry (PDV), laser micrometers, and high speed photography. In this paper an alternative method is presented, implementing a fiber optic, reflectance dependent displacement sensor. The sensor is shown to be an attractive low cost solution to measurement of high velocities in high voltage, magnetic environments. Data is shown with respect to sensor characterization including various surface reflectivity values, curvatures, and misalignments; implementation in two forming and welding processes; and verification with high velocity measurement in parallel with PDV. The sensor system is one twentieth the cost of a PDV system, and yet measures velocities accurately to at least 140 m/s. Sensor performance is also enhanced by the use of retroreflective tape, which is shown to increase the displacement range by 9×, decrease sensitivity to misalignment, and increase repeatability and ease of implementation.
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ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference
June 10–14, 2013
Madison, Wisconsin, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5545-4
PROCEEDINGS PAPER
Analysis of Fiber Optic Sensor to Measure Velocity During Electromagnetic Forming and Welding
E. Thibaudeau,
E. Thibaudeau
University of New Hampshire, Durham, NH
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B. Turner,
B. Turner
University of New Hampshire, Durham, NH
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T. Gross,
T. Gross
University of New Hampshire, Durham, NH
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B. L. Kinsey
B. L. Kinsey
University of New Hampshire, Durham, NH
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E. Thibaudeau
University of New Hampshire, Durham, NH
B. Turner
University of New Hampshire, Durham, NH
T. Gross
University of New Hampshire, Durham, NH
B. L. Kinsey
University of New Hampshire, Durham, NH
Paper No:
MSEC2013-1242, V001T01A017; 8 pages
Published Online:
November 27, 2013
Citation
Thibaudeau, E, Turner, B, Gross, T, & Kinsey, BL. "Analysis of Fiber Optic Sensor to Measure Velocity During Electromagnetic Forming and Welding." Proceedings of the ASME 2013 International Manufacturing Science and Engineering Conference collocated with the 41st North American Manufacturing Research Conference. Volume 1: Processing. Madison, Wisconsin, USA. June 10–14, 2013. V001T01A017. ASME. https://doi.org/10.1115/MSEC2013-1242
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