The Effect of 0.2% Addition of Mg, Co and Ce on Microstructure and Mechanical Properties of 1xxx Series Aluminium Alloy Castings Designed for Overhead Transmission Lines

• Autorzy: Koprowski Paweł , Lech-Grega M. , Wodzinski Łukasz , Augustyn Bogusław , Boczkal Sonia , Uliasz Piotr , Ożóg Mirosław

Identyfikatory

DOI

10.24425/amm.2022.137756

• Języki publikacji: EN

Abstrakty

EN

The effect of 0.2% addition of Mg, Co and Ce to 99.9% cast aluminium was studied by evaluation of changes in microstructure and mechanical properties. The microstructure was analyzed by scanning electron microscopy and transmission electron microscopy. The Al99.9 alloy contained only Al-Fe-Si phase particles. Similar Al-Fe-Si particles were observed in alloy with 0.2% Mg addition, because this amount of magnesium was fully dissolved in the solid solution. The addition of cobalt resulted in the formation of Al_9.02Co_1.51Fe_0.47 phase particles assuming the shape of eutectic plates. The electron backscattered diffraction map made for the alloy with 0.2% Co addition showed numerous twin boundaries with distances between them in the range from 10 to 100 µm. The addition of cerium was located in the grain boundary area. Cerium also gave rise to the formation of two types of particles, i.e. Al₄Ce and Al-Ce-Fe-Si. The Al-Ce-Fe-Si phase is a nucleation site for the Al4Ce phase, which forms eutectic plates. The results showed that the introduction of additives increases the mechanical properties of the cast materials. The 99.9% cast aluminium has a hardness of 16.9 HB. The addition of 0.2% by weight of Mg, Co, Ce increases this hardness to 21.8 HB, 22.6 HB and 19.1 HB, respectively.

Słowa kluczowe

EN

micro-additions; aluminium; hardness; microstructure; overhead transmission lines

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2022
• Tom: Vol. 67, iss. 1
• Strony: 303--309
• Opis fizyczny: Bibliogr. 32 poz., fot., rys., tab.

Twórcy

autor

Koprowski Paweł

• Łukasiewicz Research Network - Institute of Non-Ferrous Metals, Division in Skawina, 19 Piłsudskiego Str., 32-050 Skawina, Poland

• https://orcid.org/0000-0002-2336-1787

autor

Lech-Grega M.

• Łukasiewicz Research Network - Institute of Non-Ferrous Metals, Division in Skawina, 19 Piłsudskiego Str., 32-050 Skawina, Poland

autor

Wodzinski Łukasz

• Boryszew S.A., Modern Aluminium Products, 23 Piłsudskiego Str., 32-050 Skawina, Poland

• https://orcid.org/0000-0002-3967-2221

autor

Augustyn Bogusław

• Łukasiewicz Research Network - Institute of Non-Ferrous Metals, Division in Skawina, 19 Piłsudskiego Str., 32-050 Skawina, Poland

• https://orcid.org/0000-0003-3617-1189

autor

Boczkal Sonia

• Łukasiewicz Research Network - Institute of Non-Ferrous Metals, Division in Skawina, 19 Piłsudskiego Str., 32-050 Skawina, Poland

• https://orcid.org/0000-0002-3421-4723

autor

Uliasz Piotr

• Boryszew S.A., Modern Aluminium Products, 23 Piłsudskiego Str., 32-050 Skawina, Poland

• https://orcid.org/0000-0002-9402-3558

autor

Ożóg Mirosław

• Boryszew S.A., Modern Aluminium Products, 23 Piłsudskiego Str., 32-050 Skawina, Poland

• https://orcid.org/0000-0002-9205-123X

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Uwagi

1. The research was supported by grant of European Funds Smart Growth Operational Programme 2014-2020, project number: POIR.04.01.04-00- 0022/15.

2. Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).