留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码
Volume 24 Issue 2
Feb.  2017
Turn off MathJax
目录
数据统计

分享

计量
  • 文章访问数:  631
  • HTML全文浏览量:  118
  • PDF下载量:  26
  • 被引次数: 0
文章导航 >  矿物冶金与材料学报（英文）  > 2017  >  24(2): 186-193
Bin Long, Gui-ying Xu,  and Buhr Andreas, Microstructure and physical properties of steel-ladle purging plug refractory materials, Int. J. Miner. Metall. Mater., 24(2017), No. 2, pp. 186-193. https://doi.org/10.1007/s12613-017-1394-5
Cite this article as:
Bin Long, Gui-ying Xu,  and Buhr Andreas, Microstructure and physical properties of steel-ladle purging plug refractory materials, Int. J. Miner. Metall. Mater., 24(2017), No. 2, pp. 186-193. https://doi.org/10.1007/s12613-017-1394-5
shu
引用本文 PDF XML SpringerLink
研究论文

Microstructure and physical properties of steel-ladle purging plug refractory materials

  • School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

  • Almatis Qingdao Co., Ltd., Qingdao 266071, China

  • Almatis GmbH, Frankfurt 60528, Germany

  • 通讯作者:

    Gui-ying Xu    E-mail: guiyingxu@126.com

  • Three different castables were prepared as steel-ladle purging-plug refractory materials:corundum-based low-cement castable (C-LCC), corundum-spinel-based low-cement castable (C-S-LCC), and no-cement corundum-spinel castable (C-S-NCC) (hydratable alumina ρ-Al2O3 bonded). The properties of these castables were characterized with regard to water demand/flow ability, cold crushing strength (CCS), cold modulus of rupture (CMoR), permanent linear change (PLC), apparent porosity, and hot modulus of rupture (HMoR). The results show the CCS/CMoR and HMoR of C-LCC and C-S-LCC are greater than those of the castable C-S-NCC. According to the microstructure analysis, the sintering effect and the bonding type of the matrix material differ among the three castables. The calcium hexaluminate (CA6) phase in the matrix of C-LCC enhances the cold and hot mechanical strengths. In the case of C-S-LCC, the CA6 and 2CaO·2MgO·14Al2O3 (C2M2A14) ternary phases generated from the matrix can greatly increase the cold and hot mechanical strengths. In the case of the no-cement castable, sintering becomes difficult, resulting in a lower mechanical strength.
    • Research Article

    Microstructure and physical properties of steel-ladle purging plug refractory materials

    + Author Affiliations
      Abstract
    • Three different castables were prepared as steel-ladle purging-plug refractory materials:corundum-based low-cement castable (C-LCC), corundum-spinel-based low-cement castable (C-S-LCC), and no-cement corundum-spinel castable (C-S-NCC) (hydratable alumina ρ-Al2O3 bonded). The properties of these castables were characterized with regard to water demand/flow ability, cold crushing strength (CCS), cold modulus of rupture (CMoR), permanent linear change (PLC), apparent porosity, and hot modulus of rupture (HMoR). The results show the CCS/CMoR and HMoR of C-LCC and C-S-LCC are greater than those of the castable C-S-NCC. According to the microstructure analysis, the sintering effect and the bonding type of the matrix material differ among the three castables. The calcium hexaluminate (CA6) phase in the matrix of C-LCC enhances the cold and hot mechanical strengths. In the case of C-S-LCC, the CA6 and 2CaO·2MgO·14Al2O3 (C2M2A14) ternary phases generated from the matrix can greatly increase the cold and hot mechanical strengths. In the case of the no-cement castable, sintering becomes difficult, resulting in a lower mechanical strength.
      • FullText(HTML)
    • loading
      • Supplements(0)
      • References(17)
    • [1]
      E. Hiroaki, A. Keizou, T. Hiroyasu, M. Shigeru, and Y. Tuyoshi, Development of long-life slit plug material for steel ladle,[in] Proceedings of UNITECR 1999, Berlin, 1999, p. 308
      [2]
      A. Huang, H. Harmuth, M. Doletschek, S. Vollmann, and X.Z. Feng, Toward CFD modeling of slag entrainment in gas stirred ladles, Steel Res. Int., 86(2015), No. 12, p. 1447.
      [3]
      A. Huang, H.Z. Gu, M.J. Zhang, N. Wang, T. Wang, and Y. Zou, Mathematical modeling on erosion characteristics of refining ladle lining with application of purging plug, Metall. Mater. Trans. B, 44(2013), No. 3, p. 744..
      [4]
      S. Chaudhuri and D. Stein, Application of new gas purging systems in ladle metallurgy, Interceram, 41(1992), No. 5, p. 313.
      [5]
      J.U. Becker, R. Berger, A. Buhr, W.A. Rasim, and H. Tiemann, Purging plugs for steel ladles-laboratory and plant results from a BOF steel plant,[in] Proceedings of Unified International Technical Conference on Refractories Fifth Biennial Worldwide Congress Refractories:a Worldwide Technology, New Orleans, 1997, p. 143.
      [6]
      H. Egashira, K. Aramaki, H. Tomimatsu, S. Morimoto, and T. Yoshida, Development of long-life slit plug material for steel ladle, Taikabutsu Overseas, 18(1998), No. 4, p. 85.
      [7]
      M. Zhao, Stirring units for LF/VD ladle in Baosteel,[in] Unified International Technical Conference on Refractories Berlin-Germany, Berlin, 1999, p. 267.
      [8]
      B. Long, B. Andreas, and G. Xu, Thermodynamic evaluation and properties of refractory materials for steel ladle purging plugs in the system Al2O3-MgO-CaO, Ceram. Int., 42(2016), No. 10, p. 11930.
      [9]
      X.J. He, R.X. Gao, Z.H. Lan, and S.X. Tian, The research and application of ρ-Al2O3 bonded purging plug, Refractory, 2004, No. 4, p. 289.
      [10]
      Y.B. Li, N. Li, B. Peng, W.H. Wu and T.Q. Li, The research and application of corundum-spinel based purging plug for steel ladle, Refractory, 36(2002), No. 2, p. 95.
      [11]
      R. Kockegey-Lorenz, G. Büchel, A. Buhr, J.M. Aroni, and R.P. Racher, Improved workability of calcia free alumina binder Alphabond for no-cement castables,[in] Proceedings of 47th International Colloquium on Refractories, Aachen, 2004, p. 67.
      [12]
      GB/T 2999-2004, Refractory Materials-Determination of Bulk Density of Granular Materials, Refractories Standardization Committee, Luoyang, 2010, p. 154.
      [13]
      M. Göbbels, E. Woermann, and J. Jung, The Al-rich part of the system CaO-Al2O3-MgO:Part I. Phase relationships, J. Solid State Chem., 120(1995), No. 2, p. 358.
      [14]
      F. Simonin, C. Olagnon, S. Maximilien, G. Fantozzi, L.A. Diaz, and R. Torrecillas, Thermomechanical behavior of high-alumina refractory castables with synthetic spinel additions, J. Am. Ceram. Soc., 83(2000), No. 10, p. 2481.
      [15]
      K. Fuji, I. Furusato, and I. Takita, Composition of spinel clinker for teeming ladle casting materials, Taikabutsu Overseas, 12(1992), No. 1, p. 4.
      [16]
      L.D. Hart, Alumina Chemicals:Science and Technology Handbook, American Ceramic Society, 1990, p. 176.
      [17]
      G.W. Kriechbaum, V. Gnauck, and G. Routschka, The influence of SiO2 and spinel on the hot properties of high alumina low cement castables,[in] International Colloquium on Refractories, Aachen, 1994, p. 150.
      • Relative Articles
      Cited By

    Catalog


    • /

      返回文章
      返回

      版权所有 ©《矿物冶金与材料学报（英文）》编辑部

      地址：北京市海淀区学院路30号邮政编码：100083

      电子邮箱：journal@ustb.edu.cn电话：+86-10-62332875

      本系统由 北京仁和汇智信息技术有限公司 开发    百度统计