Features of VZhL21 Nickel-Base Superalloy Structure Formation During Selective Laser Melting, Vacuum Heat Treatment, and Hot Isostatic Compaction
- Authors: Sukhov D.I.1, Petrushin N.V.1, Zaitsev D.V.1, Tikhonov M.M.1
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Affiliations:
- All-Russia Scientific Research Institute of Aviation Materials (VIAM)
- Issue: Vol 63, No 3-4 (2019)
- Pages: 409-421
- Section: Article
- URL: https://journal-vniispk.ru/0026-0894/article/view/242832
- DOI: https://doi.org/10.1007/s11015-019-00837-4
- ID: 242832
Cite item
Abstract
This article considers features of the material structure of high-strength alloy VZhL21 obtained by selective laser melting (SLM) in different stages of its post-treatment. On the basis of analyzing the microstructure the so-called “process window” that is the interval of volumetric energy density for effective variation of (SLM) parameters during preparation of this material is determined. A study of synthesized VZhL21 alloy material is conducted by transmission microscopy with analysis of phase components and alloying element distribution within the volume of material. The efficiency of vacuum-heat and gasostatic treatment regimes is evaluated during crack healing. The structure of the material obtained is studied by light, scanning, and transmission microscopy after vacuum-heat, gasostatic, and heat treatment. The main structural components are determined by XPA.
About the authors
D. I. Sukhov
All-Russia Scientific Research Institute of Aviation Materials (VIAM)
Author for correspondence.
Email: viam.lab6@mail.ru
Russian Federation, Moscow
N. V. Petrushin
All-Russia Scientific Research Institute of Aviation Materials (VIAM)
Email: viam.lab6@mail.ru
Russian Federation, Moscow
D. V. Zaitsev
All-Russia Scientific Research Institute of Aviation Materials (VIAM)
Email: viam.lab6@mail.ru
Russian Federation, Moscow
M. M. Tikhonov
All-Russia Scientific Research Institute of Aviation Materials (VIAM)
Email: viam.lab6@mail.ru
Russian Federation, Moscow
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