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Volume 36 Issue 6
Sep.  2021
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TIAN Gao-feng, CHEN Yang, WANG Yu. Research on microstructure characterization in residual dendrite zones of FGH96 alloy with gradient microstructure[J]. Powder Metallurgy Technology, 2018, 36(6): 403-408. DOI: 10.19591/j.cnki.cn11-1974/tf.2018.06.001
Citation: TIAN Gao-feng, CHEN Yang, WANG Yu. Research on microstructure characterization in residual dendrite zones of FGH96 alloy with gradient microstructure[J]. Powder Metallurgy Technology, 2018, 36(6): 403-408. DOI: 10.19591/j.cnki.cn11-1974/tf.2018.06.001
shu

Research on microstructure characterization in residual dendrite zones of FGH96 alloy with gradient microstructure

  • Science and Technology on Advanced High Temperature Structural Materials, Beijing Institute of Aeronautical Materials, Beijing 100095, China

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  • Corresponding author:

    TIAN Gao-feng, E-mail:gftian2008@163.com

  • Received Date: May 12, 2018
    Graphical Abstract
    • Abstract
  • The subscale FGH96 alloy disk with the gradient microstructure was prepared using gradient heat treatment. Microstructure characterization of residual dendrite zones was investigated. The results show that, the residual dendrite zone of FGH96 alloy disk is an incomplete recrystallization zone where γ′ phases exhibit the uneven distribution in disk core. The formation of residual dendrite zone is closely related to the solidification heredity of powder particles and incomplete deformation recrystallization, the inhomogeneity in residual dendrite zone can be eliminated by the suitable hot working and solution heat treatment.
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    • References (12)
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