Issues »  Volume 48, Issue 3

The Influence of the Distribution of Alloying Elements on the Structure and Properties of Aircraft Engine Parts in Additive Manufacturing

M. Gnatenko$^{1}$, H. Laptieva$^{1}$, V. Yefanov$^{1}$, O. Kalinichenko$^{1}$, R. Osipchuk$^{2}$

$^{1}$Zaporizhzhia Polytechnic National University, 64 Zhukovsky Str., UA-69063 Zaporizhzhia, Ukraine
$^{2}$Ukrainian State University of Science and Technology, 2 Lazaryan Str., UA-49000 Dnipro, Ukraine

Received: 02.04.2025; final version - 16.07.2025. Download: PDF

This paper presents the method and results of producing the aeroengine components from EP648 superalloy via plasma surfacing. Material-characterisation work is conducted on the additively grown samples by means of the microstructure examination and mechanical testing. The samples obtained by plasma surfacing demonstrate superior mechanical properties compared to the traditionally cast material and reach the levels of wrought material with the exception of room-temperature elongation. The same process is used to produce an aeroengine-turbine casing, which is found free of unacceptable metallurgical defects and in full compliance with the quality specifications. The combined assessment results have validated plasma surfacing an acceptable method of manufacture for structural and stator aeroengine parts using EP648 superalloy.

Key words: wire arc additive manufacturing, plasma surfacing, superalloy, turbine.

URL: https://mfint.imp.kiev.ua/en/abstract/v48/i03/0259.html

DOI: https://doi.org/10.15407/mfint.48.03.0259

PACS: 61.72.Ff, 61.72.Qq, 62.20.M-, 81.16.Rf, 81.20.Vj, 81.40.Lm, 81.70.Bt

Citation: M. Gnatenko, H. Laptieva, V. Yefanov, O. Kalinichenko, and R. Osipchuk, The Influence of the Distribution of Alloying Elements on the Structure and Properties of Aircraft Engine Parts in Additive Manufacturing, Metallofiz. Noveishie Tekhnol., 48, No. 3: 259–273 (2026)

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