Secondary Recrystallization of the Nitrided Fe-3%Si Alloy

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概要

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• Nitrided primary specimens containing 0.07% Bi were coated with MgO and annealed in 5%H2–N2 (Box annealing). The magnetic induction (<I>B</I>8) after Box annealing increased with increasing primary recrystallized grain size and decreased with increasing initial nitrogen content. The same primary recrystallized specimens were intermittently annealed in 100% N2 without MgO coating (Model annealing). <I>B</I>8 was measured at each annealing. The onset temperature of the secondary recrystallization (<I>T</I>cr) was detected by a steep raise of <I>B</I>8. The maximum <I>B</I>8 decreased with increasing Tcr from 1075 to 1100°C. The initial grain size and nitrogen content for the maximum <I>B</I>8 was different in both annealing methods. This difference was explained on the assumption that <I>T</I>cr mainly determines <I>B</I>8 in both annealing methods. The direct effect of Bi on the selective growth of sharp Goss orientation was small. Bi worked as an inhibitor for grain growth in the primary recrystallization annealing stage.

• 社団法人 日本鉄鋼協会の論文
• 1998-10-15

著者

• Woo J

  Posco Pohang‐shi Kor

• Han Chan-hee

  浦項総合製鉄株式会社技術研究所

• 原勢 二郎

  浦項工科大学校鉄鋼大学院

• HONG Byung-Deug

  浦項総合製鉄株式会社技術研究所

• WOO Jong

  Technical Research Laboratories, Pohang Iron and Steel Co., Ltd.

• HAN Chan-hee

  Technical Research Laboratories, Pohang Iron and Steel Co., Ltd.

• HONG Byung-deug

  Technical Research Laboratories, Pohang Iron and Steel Co., Ltd.

• HARASE Jirou

  Graduate School of Iron and Steel Technology, Pohang University of Science and Technology

関連論文

• 窒化したFe-3%Si合金の2次再結晶に伴う磁束密度の変化
• 窒化したFe-3%Si合金のGoss集合組織形成に及ぼす二次再結晶温度の影響
• Secondary Recrystallization of the Nitrided Fe-3%Si Alloy
• The Microbiologically Influenced Corrosion Behavior of C-Mn Ship Structural Steel with Different Manufacturing Processes

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