粒子付着−スパ−ク放電発光分光分析手法による介在物分析

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タイトル別名
  • Spark Discharge Optical Emission Spectrometric Analysis of Inclusions Assisted by Particles Adhering to Sample Surface
  • 粒子付着-スパーク放電発光分光分析手法による介在物分析
  • リュウシ フチャク-スパーク ホウデン ハッコウ ブン コウブンセキ シュホウ ニ ヨル カイザイブツ ブンセキ

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抄録

A rapid size and composition analysis of inclusions in steel was investigated. We found that the spark discharges hit not only the particles but also the inclusions without rolling up the steel matrix when spark discharge optical emission spectrometry (SD-OES) was applied to the sample adhering particles to its surface. The discharge pulses which held a low Fe emission intensity were selected as inclusion pulses. The size distribution and chemical composition of the inclusions were calculated from the emission intensities of elements constituting the inclusions of these inclusion pulses. We applied the method to alumina inclusions containing MgO, obtaining the size distribution and MgO (mass%) well enough. This method is useful for a relative evaluation of inclusions in a short time.

収録刊行物

  • 鉄と鋼

    鉄と鋼 101 (3), 198-203, 2015

    一般社団法人 日本鉄鋼協会

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