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Cold spray process Individual particle characterization device

Long pulsed laser-ultrasonic detection laser
Tecnar develops, manufactures and markets advanced sensors to optimize industrial processes.
© Courtesy of Oerlikon Mecto (US) Inc
© Courtesy of NRC Canada
References & Cases studies
Citation

Sensors, such as the Coldspraymeter, allow us to validate numerical models (CFD) that can then be used to design cold spray nozzles that meet specific requirements in terms of particle velocity. Furthermore, they allow us to better understand the spray deposition windows of reactive materials to ensure that we avoid powder reaction during consolidation and also to maximize the reactivity of the consolidated powders.

Prof. Bertrand Jodoin,
University of Ottawa, Canada
References

CSIRO
École des Mines de Paris
FZ-Juelich
Helmut-Schmidt University
National Research Council
Nanyang Technological university
Oerlikon Metco US Inc.
Plasma Giken
University of Ottawa
The Coldspraymeter is generally used to:

Monitor/characterize cold spray processes
Develop spray conditions
Design and optimize spray nozzles
Validate models
Monitor sand/grit blasting processes or even shot peening

Tecnar Coldspray Meter

Coldspraymeter technical specifications

  • Measurement ranges

    • Particle velocity

      5 - 1200 m/s at 0.5% precision

      16.4 - 3940 ft./s. at 0.5% precision

    • Particle diameter

      5 – 25 % precision
      (depending on particle shape)

    • Center plume position

      0.2 mm precision

      0.008 in. precision

    • Particle relative flow

      normalized a.u.

  • Measurement volume information

    • CSM measurement volume

      3 mm3

    • Sensor head working distance

      100 mm (4 in.) from spray torch axis at 90°

    • XY scanning unit travel range

      50 mm x 50 mm
      2 in. x 2 in.

  • Laser characteristics

    • Laser wavelenght

      790 mm

    • Nominal laser power

      3.3 W

    • Maximum power density
      (at waist)

      6.5 W/ cm2

    • Laser type

      CW, Class IV

    • Waist position

      100 mm (4 in.) in front of lens

  • Dimensions and weight

    • Sensor head

      70 mm x 33 mm
      2.6 in. x 1.3 in.

    • XY scanner

      300 mm x 125 mm x 330 mm
      11.8 in. x 4.9 in. x 13 in.

    • Main enclosure

      560 mm x 260 mm x 660 mm
      22 in. x 10.2 in. x 26 in. minimum resolution

    • Touch screen

      430 mm / 17 in.
      1024 x 768 minimum resolution

  • Plant supplies

    • Power requirements

      100 /120 – 200 /230 VAC, 50-60 Hz, auto-switch

    • Plant to supply

      20-30 psi of clean, dry compressed air

Coldspraymeter
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