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Metal Science and Heat Treatment

, Volume 60, Issue 5–6, pp 373–380 | Cite as

Dependence of Nickel Superalloy Structural Defects on Selective Laser Fusion Process Parameters1

  • E. B. Chabina
  • E. V. Filonova
  • A. N. Raevskikh
  • E. V. Tsvetkova
Article
  • 13 Downloads

The structure of nickel superalloy ZhS6K-VI (the Ni – Co – Cr – Al – Ti – W– Mo – Nb system) after selective laser fusion (SLF) is studied. Structural components sensitive to the energy and rate of SLF parameters and to initial powder grain size are determined. Dependences of the geometric parameters and defects in the structure of the material after the SLF on grain composition of the powder and on the power and rate of the SLF are determined, and may be used for working out production regimes.

Key words

selective laser fusion metal powder structure pores cracks 

Notes

Work was carried out within the scope of implementing comprehensive scientific areas: 2.1. Fundamentally-orientated research and 10.4. Technology for preparing bi- and polymetal naturally reinforced metallic materials by direct laser synthesis from metal powders (“Strategic area of development of material and technology for processing in the period up to 2030”) [1].

Work was performed with financial support of the RFFI (grant No. 14-29-10220-ofi_m).

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Copyright information

© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  • E. B. Chabina
    • 1
  • E. V. Filonova
    • 1
  • A. N. Raevskikh
    • 1
  • E. V. Tsvetkova
    • 2
  1. 1.Federal State Unitary Enterprise “VIAM,”MoscowRussia
  2. 2.N. É. Bauman Moscow State Technical University (MGTU)MoscowRussia

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