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 26 Issue 7
Jul.  2019
Turn off MathJax
目录
数据统计

分享

计量
  • 文章访问数:  638
  • HTML全文浏览量:  173
  • PDF下载量:  39
  • 被引次数: 0
文章导航 >  矿物冶金与材料学报（英文）  > 2019  >  26(7): 889-900
Kai Chen, Shu-yuan Rui, Fa Wang, Jian-xin Dong,  and Zhi-hao Yao, Microstructure and homogenization process of as-cast GH4169D alloy for novel turbine disk, Int. J. Miner. Metall. Mater., 26(2019), No. 7, pp. 889-900. https://doi.org/10.1007/s12613-019-1802-0
Cite this article as:
Kai Chen, Shu-yuan Rui, Fa Wang, Jian-xin Dong,  and Zhi-hao Yao, Microstructure and homogenization process of as-cast GH4169D alloy for novel turbine disk, Int. J. Miner. Metall. Mater., 26(2019), No. 7, pp. 889-900. https://doi.org/10.1007/s12613-019-1802-0
shu
引用本文 PDF XML SpringerLink
研究论文

Microstructure and homogenization process of as-cast GH4169D alloy for novel turbine disk

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

  • 通讯作者:

    Zhi-hao Yao    E-mail: zhihaoyao@ustb.edu.cn

  • To investigate the microstructure, segregation, and suitable homogenization process of as-cast GH4169D alloy, the microstructure, elements segregation, and precipitates of cast GH4169D ingots prepared by vacuum induction melting (VIM) and vacuum arc remelting (VAR) were observed by optical microscopy (OM), scanning electron microscopy, and energy-dispersive X-ray spectroscopy (EDS). According to the residual segregation model and simulation results of DICTRA thermodynamic software, the homogenization temperature and time range were set as 1120-1170℃ and 5-20 h, respectively. The experimental results showed that microscopic dendrite and element segregation occurred in the interior of ingots and the main segregation elements were Nb and Ti. In addition, the precipitates were mainly distributed in interdendritic regions and were composed of NbC, Laves, γ', and δ phases. The homogenization process suggested that the interdendritic detrimental precipitated Laves phase can be eliminated or redissolved after homogenization at 1150℃ for 20 h, suggesting it was the most suitable homogenization treatment. Thermal compression test results showed that the GH4169D alloys after homogenization treatment had no cracks and dynamic recrystallization occurred, with recrystallization volume fraction increasing with temperature, indicating a good working plasticity at temperatures from 1050 to 1200℃.
    • Research Article

    Microstructure and homogenization process of as-cast GH4169D alloy for novel turbine disk

    + Author Affiliations
      Abstract
    • To investigate the microstructure, segregation, and suitable homogenization process of as-cast GH4169D alloy, the microstructure, elements segregation, and precipitates of cast GH4169D ingots prepared by vacuum induction melting (VIM) and vacuum arc remelting (VAR) were observed by optical microscopy (OM), scanning electron microscopy, and energy-dispersive X-ray spectroscopy (EDS). According to the residual segregation model and simulation results of DICTRA thermodynamic software, the homogenization temperature and time range were set as 1120-1170℃ and 5-20 h, respectively. The experimental results showed that microscopic dendrite and element segregation occurred in the interior of ingots and the main segregation elements were Nb and Ti. In addition, the precipitates were mainly distributed in interdendritic regions and were composed of NbC, Laves, γ', and δ phases. The homogenization process suggested that the interdendritic detrimental precipitated Laves phase can be eliminated or redissolved after homogenization at 1150℃ for 20 h, suggesting it was the most suitable homogenization treatment. Thermal compression test results showed that the GH4169D alloys after homogenization treatment had no cracks and dynamic recrystallization occurred, with recrystallization volume fraction increasing with temperature, indicating a good working plasticity at temperatures from 1050 to 1200℃.
      • FullText(HTML)
    • loading
      • Supplements(0)
      • References(23)
    • [1]
      Z.L. Wang, Z.T. Zheng, L.B. Zhao, Y.F. Lei, and K. Yang, Microstructure evolution and nucleation mechanism of Inconel 601H alloy welds by vibration-assisted GTAW, Int. J. Miner. Metall. Mater., 25(2018), No. 7, p. 788.
      [2]
      Z.C. Peng, G.F. Tian, J. Jiang, M.Z. Li, C. Yang, J.W. Zou, and F.P.E. Dunne, Mechanistic behaviour and modelling of creep in powder metallurgy FGH96 nickel superalloy, Mater. Sci. Eng. A, 676(2016), p. 441.
      [3]
      X.P. Ren and Z.Q. Liu, Microstructure refinement and work hardening in a machined surface layer induced by turning Inconel 718 super alloy, Int. J. Miner. Metall. Mater., 25(2018), No. 8, p. 937.
      [4]
      W.D. Cao and R. Kennedy, Role of chemistry in 718-type alloys-Allvac® 718PlusTM alloy development,[in] K.A. Green, T.M. Pollock, H. Harada, T.E. Howson, R.C. Reed, J.J. Schirra, and S. Walston, eds, Superalloys, TMS (The Minerals, Metals &Materials Society), 2004, p. 91.
      [5]
      M.Q. Wang, J.H. Du, Q. Deng, Z.L. Tian, and J. Zhu, The effect of phosphorus on the microstructure and mechanical properties of ATI 718Plus alloy, Mater. Sci. Eng. A, 626(2015), p. 382.
      [6]
      A. Momeni, S.M. Abbasi, M. Morakabati, and H. Badri, A comparative study on the hot working behavior of inconel 718 and ALLVAC 718 plus, Metall. Mater. Trans. A, 48(2017), No. 3, p. 1216.
      [7]
      K. Chen, J.X. Dong, Z.H. Yao, T.W. Ni, and M.Q. Wang, Creep performance and damage mechanism for Allvac 718Plus superalloy, Mater. Sci. Eng. A, 738(2018), p. 308.
      [8]
      W.D. Cao, Thermal stability characterization of Ni-base ATI 718Plus® superalloy,[in] R.C. Reed, K.A. Green, P. Caron, T.P. Gabb, M.G. Fahrmann, E.S. Huron, and S.A. Woodard, eds, Superalloys, TMS (The Minerals, Metals &Materials Society), 2008, p. 789.
      [9]
      L. Whitmore, H. Leitner, E. Povoden-Karadeniz, R. Radis, and M. Stockinger, Transmission electron microscopy of single and double aged 718Plus superalloy, Mater. Sci. Eng. A, 534(2012), p. 413.
      [10]
      N.C. Eurich and P.D. Bristowe, Thermodynamic stability and electronic structure of η-Ni6Nb(Al,Ti) from first principles, Scripta Mater., 77(2014), p. 37.
      [11]
      G.A. Zickler, R. Radis, R. Schnitzer, E. Kozeschnik, M. Stockinger, and H. Leitner, The precipitation behavior of superalloy ATI Allvac 718Plus, Adv. Eng. Mater., 12(2010), No. 3, p. 176.
      [12]
      S.A. Hosseini, K.Z. Madar, and S.M. Abbasi, Effect of homogenization heat treatments on the cast structure and tensile properties of nickel-base superalloy ATI 718Plus in the presence of boron and zirconium additions, Mater. Sci. Eng. A, 689(2017), p. 103.
      [13]
      G.X. Cao, M.C. Zhang, J.X. Dong, Z.H. Yao, and L. Zheng, Effects of Nb content variations on precipitates evolution of GH4169 ingots during their solidification and homogenization processes, Rare Met. Mater. Eng., 43(2014), No. 1, p. 103.
      [14]
      S.L. Semiatin, R.C. Kramb, R.E. Turner, F. Zhang, and M.M. Antony, Analysis of the homogenization of a nickel-base superalloy, Scripta Mater., 51(2004), No. 6, p. 491.
      [15]
      H. Jiang, J.X. Dong, M.C. Zhang, and Z.H. Yao, Microstructure and homogenization of as-cast 617B alloy for 700℃ ultra-supercritical boilers, J. Univ. Sci. Technol. Beijing, 36(2014), No. 6, p. 795.
      [16]
      J. Wang, Y. Wu, J.X. Dong, M.C. Zhang, X.S. Xie, and F.H. Xu, Microstructure and homogenization of as-cast GH4700 alloy for 700℃ ultra-supercritical boilers, Rare Met. Mater. Eng., 42(2013), No. 9, p. 1908.
      [17]
      D. Srinivasan, Effect of long-time exposure on the evolution of minor phases in Alloy 718, Mater. Sci. Eng. A, 364(2004), No. 1-2, p. 27.
      [18]
      E.J. Pickering, H. Mathur, A. Bhowmik, O.M.D.M. Messé, J.S. Barnard, M.C. Hardy, R. Krakow, K. Loehnert, H.J. Stone, and C.M.F. Rae, Grain-boundary precipitation in Allvac 718Plus, Acta Mater., 60(2012), No. 6-7, p. 2757.
      [19]
      L. Gong, B. Chen, Z.H. Du, M.S. Zhang, R.C. Liu, and K. Liu, Investigation of solidification and segregation characteristics of cast Ni-base superalloy K417G, J. Mater. Sci. Technol., 34(2018), No. 3, p. 541.
      [20]
      H. Zhang, Y. Liu, X. Chen, H.W. Zhang, and Y.X. Li. Microstructural homogenization and high-temperature cyclic oxidation behavior of a Ni-based superalloy with high-Cr content, J. Alloys Compd., 727(2017), p. 410.
      [21]
      A. Hillert, Diffusion and Thermodynamics of Alloys, The Metallurgy Industry Press, Beijing, 1984, p. 32.
      [22]
      L.J. Huang, F. Qi, P.T. Hua, L.X. Yu, F. Liu, W.R. Sun, and Z.Q. Hu, Discontinuous dynamic recrystallization of inconel 718 superalloy during the superplastic deformation, Metall. Mater. Trans. A., 46(2015), No. 9, p. 4276.
      [23]
      M. Song, J.F. Wen, Z. Jiao, and G.S. Was, Elastic strain energy control of the precipitate free zone around primary carbides in nickel base alloy 725, Acta Mater., 120(2016), p. 138.
      • 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