Microstructure, Fatigue and Corrosion Behavior of Additively Manufactured Alloys

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Additive Manufacturing".

Deadline for manuscript submissions: closed (31 December 2022) | Viewed by 4047

Special Issue Editor


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Guest Editor
Institute of Strength Physics and Materials Science, Siberian Branch, Russian Academy of Sciences, 634055 Tomsk, Russia
Interests: powder-based additive manufacturing; wire-based additive manufacturing; manufacturing multi-material components; microstructure; fatigue; corrosion behavior
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Special Issue Information

Dear Colleagues,

This Special Issue aims to review the state of the art in metal additive manufacturing. Manuscripts will focus on the latest developments and most recent data on processes based on the melting of powder and wire feedstocks as well as the structure and properties of additively manufactured alloys. Consequently, the collection of works will provide an overview of the most recent results related to the study of process–parameter–structure and process–parameter–property relationships. Advanced techniques for 3D printing process control will also be reviewed and the latest simulation models of different additive manufacturing processes will be covered.

Topics of interest include the latest advances in the electron-beam additive technology, including but not limited to the following:

  1. Powder-based additive manufacturing
  2. Wire-based additive manufacturing
  3. Printing parameter selection
  4. Product geometry control
  5. Product structure and properties control
  6. Fatigue behavior of additively manufactured alloys
  7. Corrosion behavior of additively manufactured alloys
  8. Additive manufacturing multi-material components
  9. Simulation of metal additive manufacturing
  10. Automation, control, and management of electron-beam systems

Prof. Dr. Evgeny A. Kolubaev
Guest Editor

Manuscript Submission Information

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Keywords

  • powder-based additive manufacturing
  • wire-based additive manufacturing
  • manufacturing multi-material components
  • microstructure
  • fatigue
  • corrosion behavior

Published Papers (2 papers)

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Research

13 pages, 6303 KiB  
Article
Development of a Multimaterial Structure Based on CuAl9Mn2 Bronze and Inconel 625 Alloy by Double-Wire-Feed Additive Manufacturing
by Kirill Kalashnikov, Tatiana Kalashnikova, Vyacheslav Semenchuk, Evgeny Knyazhev, Aleksander Panfilov, Andrey Cheremnov, Andrey Chumaevskii, Sergey Nikonov, Andrey Vorontsov, Valery Rubtsov and Evgeny Kolubaev
Metals 2022, 12(12), 2048; https://doi.org/10.3390/met12122048 - 28 Nov 2022
Cited by 5 | Viewed by 1274
Abstract
This work studied the possibility of producing multimaterials consisting of aluminum bronze CuAl9Mn2 and nickel-based superalloy Inconel 625 by double-wire electron beam additive manufacturing. Samples with 5%, 15%, 25%, and 50% of the nickel-based alloy in aluminum bronze were produced [...] Read more.
This work studied the possibility of producing multimaterials consisting of aluminum bronze CuAl9Mn2 and nickel-based superalloy Inconel 625 by double-wire electron beam additive manufacturing. Samples with 5%, 15%, 25%, and 50% of the nickel-based alloy in aluminum bronze were produced for the research. The structural features of these multimaterials were analyzed, and tensile properties, microhardness, and dry sliding friction properties were measured. The results showed that 50% of the nickel-based alloy in the multimaterial composition provides the formation of a dendritic structure. Such a material shows worse values of ductility and wear resistance. Samples containing 5%, 15%, and 25% of Inconel 625 provide similar friction coefficient values, whereas, with increasing concentration of the nickel-based alloy, the material’s ultimate tensile strength and microhardness increase significantly. Full article
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15 pages, 30258 KiB  
Article
Mössbauer Spectroscopy for Additive Manufacturing by Selective Laser Melting
by Tatiana Ivanova, Miroslav Mashlan, Tomáš Ingr, Hana Doláková, Dmitry Sarychev and Anna Sedláčková
Metals 2022, 12(4), 551; https://doi.org/10.3390/met12040551 - 24 Mar 2022
Cited by 6 | Viewed by 2080
Abstract
Selective laser melting (SLM) is a technology of layer-by-layer additive manufacturing using a laser. This technology allows one to get complex-shaped, three-dimensional (3D) specimens directly from metal powder. In this technology, various metal powders are used, including different steels. Stainless steel 1.4404 (CL20ES) [...] Read more.
Selective laser melting (SLM) is a technology of layer-by-layer additive manufacturing using a laser. This technology allows one to get complex-shaped, three-dimensional (3D) specimens directly from metal powder. In this technology, various metal powders are used, including different steels. Stainless steel 1.4404 (CL20ES) and maraging steel 1.2709 (CL50WS) have been investigated. The surface of samples manufactured from CL20ES and CL50WS powders by SLM (with and without combination sandblasting and annealing) was studied by conversion X-ray Mössbauer spectroscopy (CXMS) and conversion electron Mössbauer spectroscopy (CEMS). The surface morphology, elemental composition, and structure were examined by scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and X-ray powder diffraction (XRD). Samples with sandblasted (corundum powder) and non-sandblasted surfaces were annealed at 540 °C (CL50WS) or 550 °C (CL20ES) for 6 h in air. Oxidation processes on surfaces of samples manufactured from both initial powders were observed after post-process annealing by CEMS and CXMS, as well as confirmed by XRD. The transformation of the austenitic to ferritic phase was observed in a sandblasted and annealed CL20ES sample by CEMS and XRD. Full article
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