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Ultrajet Diagnostics of the Structural and Anisotropic Features of the Parts Fabricated by Selective Laser Melting

  • QUALITY, CERTIFICATION, AND COMPETITIVE ABILITY OF METAL PRODUCTS
  • Published:
Russian Metallurgy (Metally) Aims and scope

Abstract

Selective laser melting (SLM), its features, advantages, and disadvantages are discussed. The materials and parts fabricated by this technique are shown to be anisotropic and heterogeneous in their physical and mechanical properties. An ultrajet diagnostic technique is proposed as a method for estimating the quality of SLM parts. Possible estimation of the anisotropy of properties using ultrajet diagnostics is demonstrated using samples grown from a Ti6Al4V titanium alloy with horizontal and vertical orientations in a chamber. The experimental data prove the existence of a relation between the informative features of local surface hydroerosion of an SLM material and its structural and anisotropic features. The dominant harmonic of Fourier analysis of the hydrocavity microrelief on an SLM sample is found to be similar to the laser melting geometry of the initial dispersed powder material.

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Authors and Affiliations

  1. Moscow State University, 119992, Moscow, Russia

    A. A. Barzov

  2. Bauman State Technical University (National Research University), 105005, Moscow, Russia

    A. L. Galinovskiy, E. S. Golubev & A. S. Filimonov

Authors
  1. A. A. Barzov
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  2. A. L. Galinovskiy
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  3. E. S. Golubev
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  4. A. S. Filimonov
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Correspondence to A. L. Galinovskiy.

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Translated by T. Gapontseva

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Barzov, A.A., Galinovskiy, A.L., Golubev, E.S. et al. Ultrajet Diagnostics of the Structural and Anisotropic Features of the Parts Fabricated by Selective Laser Melting. Russ. Metall. 2021, 794–800 (2021). https://doi.org/10.1134/S0036029521060069

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  • DOI: https://doi.org/10.1134/S0036029521060069

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