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The Research of High Temperature Low-Cycle Fatigue Behavior of Laser Powder-Bed-Fused GH3536 Superalloy
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School of Materials Science and Engineering,Zhejiang University

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    Abstract:

    Laser powder-bed fusion (L-PBF) technology processes unique advantages in building complex-shape alloys. This paper invesgated the microstructure and high temperature low-cycle fatigue behavior of L-PBFed GH3536 superalloy in 855℃, and revealed the influence of heat treatment on microstructure and fatigue performance. By combining with different fatigue life prediction models, the fatigue damage behavior of L-PBFed GH3536 superalloy in various strain amplitudes was further discussed. These results are important for high temperature low-cycle fatigue life prediction and application of additive manufactured samples.

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[Ni Haohan, Zeng Qi, Zhang Kai, Tian Yanzhong, Wang Jiangwei. The Research of High Temperature Low-Cycle Fatigue Behavior of Laser Powder-Bed-Fused GH3536 Superalloy[J]. Rare Metal Materials and Engineering,2023,52(6):2302~2308.]
DOI:10.12442/j. issn.1002-185X.20220651

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History
  • Received:August 15,2022
  • Revised:October 12,2022
  • Adopted:October 13,2022
  • Online: July 07,2023
  • Published: June 30,2023