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Gas-Tungsten-Arc Electrode (Report 2) : Measurement of cathode temperature(Welding Physics, Process & Instrument)

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Abstract

Measurement of electrode temperature of GTA cathode has been done by the use of spectroscopic method. Infrared light intensities of 850 and 1000nm in wave length were compared and temperature is determined from their intensity ratio. 3220, 3110 and 2930K in Th-oxide Tungsten, Y-oxide Tungsten and La-oxide Tungsten, respectively were obtained under the condition of 200A in current, 3mm in arc gap, 3.2mmφ in electrodes diameter, 24mm in electrode extention length with Ar shielding.

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Details

  • CRID
    1574231877022478848
  • NII Article ID
    110006486676
  • NII Book ID
    AA00867058
  • ISSN
    03874508
  • Text Lang
    en
  • Data Source
    • CiNii Articles

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