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Surface Integrity of Nickel-Base Superalloy Materials by Electric Hot Machining

  • Jikun Yu
  • Shimin Geng
  • Shuo Liu
  • Xin Liu
  • MingYu Wu
  • Hongyou Zhang
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

Special equipment was established for electric hot machining (EHM). The Surface integrity of GH4169 nickel base superalloy by EHM was studied. The influences of cutting speed, cutting depth and current on the surface roughness were analyzed based on the experiments. The results showed that the surface with Ra 0.3429 μm of GH4169 could be achieved under the optimum process conditions by EHM. The rank of machining parameters’ influence magnitude was cutting depth, current and cutting speed. The work hardening on the surface of GH4169 was obviously decreased compared with ordinary cutting. The residual stress was tensile stress.

Keywords

Electric hot machining Nickel-base superalloy Surface integrity 

Notes

Acknowledgements

The financial support for this research provided by the General project of scientific research of LiaoNing Province in China No. L2015085 and L201613 are greatly appreciated.

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Copyright information

© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • Jikun Yu
    • 1
  • Shimin Geng
    • 3
  • Shuo Liu
    • 2
  • Xin Liu
    • 2
  • MingYu Wu
    • 1
  • Hongyou Zhang
    • 1
  1. 1.Applied Technology College of Dalian Ocean UniversityDalianChina
  2. 2.School of Mechanical EngineeringDalian University of TechnologyDalianChina
  3. 3.CCTEG Shenyang Research InstituteFushun, LiaoningChina

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