Chemical State Analysis of Inclusions in IF Steel by EPMA and Auger Electron Spectroscopy
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概要
- 論文の詳細を見る
Chemical state of inclusions in IF steel was studied by EPMA and Auger electron spectroscopy (AES). The chemical state of Al and Ti was mostly Al2O3 and TiN, respectively. X-ray images of Al2O3 inclusions in IF steel (as cast) appearing on the mechanically polished sample surface were taken by EPMA. The inclusions could be classified into two types. One is a small inclusion (1 μm) having a small Al2O3 core completely covered with TiN, and the other is a large one which consists mostly of Al2O3 and is partially covered with TiN. To estimate the state of inclusions in a bulk sample quickly, sample was melted by electron beam and floated inclusions (raft) were analyzed (EB method). Floated inclusions of IF steel were Al2O3 and those containing Ti inclusions were rarely found. Observed inclusions containing Ti showed very vague X-ray images and some of them showed a melted appearance. Care must be taken to examine the state of inclusions in IF steel by EB method.
- 社団法人 日本鉄鋼協会の論文
- 1996-12-15
著者
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OKU Masaoki
Institute for Materials Research, Tohoku University
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Sato Tasaku
Institute For Materials Research Tohoku University
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Oku Masaoki
Institute For Materials Research Tohoku University
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MATSUTA Hideyuki
Institute for Materials Research, Tohoku University
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Matsuta Hideyuki
Institute For Materials Research Tohoku University
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Oku Masaoki
Institute for Materials Reseach, Tohoku University, 2-1-1 Katahira-cho, Aoba-ku, Sendai 980-8577, Japan
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