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Reassessment of Oxide Stability Diagram in the Fe-AI-Ti-O System

机译：Fe-Al-Ti-O系统中氧化物稳定性图的重新评估

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摘要

Phase equilibria of Fe-Al—Ti-O system is shortly reviewed, in particular for stability of oxide phases in equilibrium with liquid Fe alloy in dilute concentration. This system is relevant to Ultra Low Carbon steel with Ti alloying (Ti-ULC), often causing clogging of Submerged Entry Nozzle (SEN) during continuous casting. In order to predict stable oxides in the Ti-ULC steel, thermodynamic calculation using CALPHAD approach was employed. Previously available thermodynamic calculations were examined, and compared with available experimental data. A slight modification of thermodynamic modeling of previous investigation resulted in noticeable improvement for the prediction of stable phases by thermodynamic calculation. Significance of the present revision of the thermodynamic modeling is discussed in the view of nozzle clogging of Ti-ULC casting.
机译：简要回顾了Fe-Al-Ti-O系统的相平衡，特别是关于氧化物相在稀浓度下与液态Fe合金平衡时的稳定性。该系统与具有Ti合金化（Ti-ULC）的超低碳钢有关，在连铸过程中通常会导致浸入式浇口（SEN）堵塞。为了预测Ti-ULC钢中的稳定氧化物，采用CALPHAD方法进行热力学计算。检查了以前可用的热力学计算，并与可用的实验数据进行了比较。对先前研究的热力学模型稍加修改后，通过热力学计算预测稳定相的结果得到了显着改善。鉴于Ti-ULC铸件的喷嘴堵塞，讨论了当前热力学模型修订的意义。

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  • 来源
    《ISIJ international》 |2017年第9期|1665-1667|共3页
  • 作者

    Youn-Bae KANG; Joo-Hyeok LEE;

  • 作者单位

    Graduate Institute of Ferrous Technology, Pohang University of Science and Technology, Pohang, Kyungbuk, 37673 Rep. of Korea;

    Graduate Institute of Ferrous Technology, Pohang University of Science and Technology, Pohang, Kyungbuk, 37673 Rep. of Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Fe-Al-Ti-O system; phase diagram; calphad; nozzle clogging; ultra low carbon steel;

    机译：Fe-Al-Ti-O体系相图calphad;喷嘴堵塞;超低碳钢;

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