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Volume 37 Issue 3
Jan.  2021
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ZHANG Lei, TIAN Su-gui. Effect of long-term aging on γ' phase and lattice constant of FGH95 P/M Ni-based superalloy[J]. Powder Metallurgy Technology, 2019, 37(3): 191-195, 201. DOI: 10.19591/j.cnki.cn11-1974/tf.2019.03.005
Citation: ZHANG Lei, TIAN Su-gui. Effect of long-term aging on γ' phase and lattice constant of FGH95 P/M Ni-based superalloy[J]. Powder Metallurgy Technology, 2019, 37(3): 191-195, 201. DOI: 10.19591/j.cnki.cn11-1974/tf.2019.03.005
shu

Effect of long-term aging on γ' phase and lattice constant of FGH95 P/M Ni-based superalloy

  • 1.

    Experimental Center, Shenyang Institute of Science and Technology, Shenyang 110167, China

  • 2.

    School of Materials Science and Engineering, Shenyang University of Technology, Shenyang 110870, China

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  • Corresponding author:

    ZHANG Lei, E-mail:lzhang85@163.com

  • Received Date: September 12, 2018
    Graphical Abstract
    • Abstract
  • The effect of long-term aging on the γ' phase and lattice constant of FGH95 P/M Ni-based superalloy was investigated by microstructures observation and X-ray diffraction analysis. The results show that, after long-term aging at 450 and 550, th℃ e fine γ' phases in the full heat-treated FGH95 alloys are slightly grown up, in accordance with the coarsening kinetics in Lifshitz, Slyozov, and Wagner (LWS) theory. With the extension of aging time, the lattice constants of γ' phase in FGH95 alloys increase, while the lattice mismatches of the γ and γ' two phases decrease. Compared with the aging time, the aging temperature has a greater influence on the γ' phase size and lattice constant of the FGH95 alloy.
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    • References (20)
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