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Microstructure,mechanical propertiesand heat resistanceof AL30 piston alloyproduced viaelectromagneticcasting Murashkin M.Yu.Zainullina L.I.Motkov M.M.2024 год

Microstructure, mechanical properties and heat resistance of AL30 piston alloy produced via electromagnetic casting : научное издание
статья из журнала

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База данных: Каталог библиотеки СФУ
Библиографическое описание: Microstructure, mechanical properties and heat resistance of AL30 piston alloy produced via electromagnetic casting : научное издание / M. Yu. Murashkin [et al.]. - Текст : непосредственный // Materials Physics and Mechanics. - 2024. - Т.52, №1. - P. 81-94. - M.Yu.M, L.I.Z. and N.A.E. acknowledge the support from the Russian Ministry of Science and Higher Education (state assignment FEUE-2023-0007). - ISSN 1605-2730. - ISSN 1605-8119, DOI 10.18149/MPM.5212024_8.
Аннотация: The paper explores the microstructure, mechanical properties and heat resistance of the piston alloy AL30 (AK12MMgN) for the first time produced via continuous casting into an electromagnetic mold (electromagnetic casting, EMC). The study demonstrates that casting into EMC allows for the formation of a homogeneous dispersed microstructure in both the peripheral and central zones of the ingot, consisting of a blend of aluminum's solid solution and eutectic, which contains lamellar silicon (Si). The volume fraction of compact primary Si particles does not exceed 1 %. In addition to Si, the aluminum matrix contains the phases of crystallization origin such as e-Al<sub>3</sub>Ni, p-Al<sub>8</sub>FeMg<sub>3</sub>Si<sub>6</sub>, Q -Al<sub>4</sub>Cu<sub>2</sub>MgSi<sub>7</sub> and S-Al<sub>2</sub>CuMg. The analysis of the evolution of microstructure and properties of a cast alloy after conventional heat treatment (HT) reveals that microstructural changes induced by HT lead to the AL30 alloy having mechanical properties that far exceed the properties of its counterparts obtained through traditional casting methods. The research analysis shows that mechanical properties and heat resistance of the AL30 alloy produced via EMC with subsequent T6 treatment are comparable to the deformable piston alloys such as the AK12D alloy after similar heat treatment.
Год издания: 2024
Авторы: Murashkin M.Yu. , Zainullina L.I. , Motkov M.M. , Medvedev A.E. , Timofeev V.N. , Enikeev N.A.
Издательство: Санкт-Петербургский политехнический университет Петра Великого, Институт проблем машиноведения РАН, St.Petersburg
Источник: Materials Physics and Mechanics
Выпуск: Т.52, №1
Номера страниц: 81-94
Держатель оригинала документа: Saint Petersburg State University, Siberian Federal University, Ufa University of Science and Technology
Количество экземпляров:
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