Injection of Excess Pressure during the Crystallization Process on the Structure and Power of the Alloy of the Al-Si-Cu System for Aviation Technology

Issues » Volume 46, Issue 4

М. М. Petryshyn$^{1}$, А. Yu. Sezonenko$^{2}$, М. М. Yamshinskij$^{1,2}$, Ie. G. Byba$^{1}$, I. V. Lukianenko$^{1,2}$, D. S. Leonov$^{2}$, А. А. Kolesnichenko$^{2}$, R. V. Lytvyn$^{2,3}$, М. Yu. Barabash$^{1,2,4}$

$^{1}$National Technical University of Ukraine ‘Igor Sikorsky Kyiv Polytechnic Institute’, 37 Beresteiskyi Ave., UA-03056 Kyiv, Ukraine
$^{2}$Technical Centre, NAS of Ukraine, 13 Pokrovs’ka Str., UA-04070 Kyiv, Ukraine
$^{3}$I. M. Frantsevich Institute for Problems in Materials Science, NAS of Ukraine, 3 Omeljan Pritsak Str., UA-03142 Kyiv, Ukraine
$^{4}$The Gas Institute of the N.A.S. of Ukraine, 39, Dehtiarivska Str., UA-03113 Kyiv, Ukraine

Received: 05.03.2024; final version - 15.03.2024. Download: PDF

The microalloyed high-strength aviation alloy of the Al-Si-Cu system obtained using additional pressure on the melt during crystallization is studied in the work. The technology and design features of laminar filling of the mould are developed in order to minimize the formation of technological casting defects. The peculiarities of the structure and crystallization conditions of the AK9M2 alloy are studied. The level of physical-mechanical properties of obtained alloy and its fracture behaviour are determined. Mechanisms of heat transfer are analysed and determined, which allow the promising use of obtained alloys as a material for heat-exchange applications.

Key words: aluminium foundry alloys, thermal sputtering, island films, size effects, mechanical properties, hardening, diffractometry, electron microscopy, optical spectroscopy.

URL: https://mfint.imp.kiev.ua/en/abstract/v46/i04/0325.html

DOI: https://doi.org/10.15407/mfint.46.04.0325

PACS: 61.05.cp, 61.25.Mv, 61.66.Dk, 62.20.Qp, 64.75.Op, 81.30.Fb, 81.40.Ef

Citation: М. М. Petryshyn, А. Yu. Sezonenko, М. М. Yamshinskij, Ie. G. Byba, I. V. Lukianenko, D. S. Leonov, А. А. Kolesnichenko, R. V. Lytvyn, and М. Yu. Barabash, Injection of Excess Pressure during the Crystallization Process on the Structure and Power of the Alloy of the Al-Si-Cu System for Aviation Technology, Metallofiz. Noveishie Tekhnol., 46, No. 4: 325—341 (2024) (in Ukrainian)

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