Study on the Identification of Non-metallic Inclusions in Steel

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  • 鋼中非金属介在物の識別に関する研究
  • コウ チュウ ヒキンゾク カイザイブツ ノ シキベツ ニ カンスル ケンキュウ

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Abstract

There have been many reports for the identification of non-metallic inclusions in steel, but none of the reported methods is considered to be fully satisfactory. The author tried to coordinate and suitably combine various identification methods, in order to find the most reasonable one. Firstly, he experimented with many of the reported methods together with new ones such as X-ray microanalysis, and the results obtained were used to discuss their merits and demerits. These methods were then classified into direct and indirect ones. It is concluded that satisfactory identification of non-metallic inclusions in steels cannot be done by only one method and, therefore, the combination of two methods or more should be adopted according to the purpose of the identification.

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