Effects of equal channel angular pressing and heat treatments on the microstructures and mechanical properties of selective laser melted and cast AlSi10Mg alloys

• Autorzy: Snopiński Przemysław , Król Mariusz , Pagáč Marek , Petrů Jana , Hajnyš Jiří , Mikuszewski Tomasz , Tański Tomasz

Identyfikatory

DOI

10.1007/s43452-021-00246-y

• Języki publikacji: EN

Abstrakty

EN

This study investigated the impact of the equal channel angular pressing (ECAP) combined with heat treatments on the microstructure and mechanical properties of AlSi10Mg alloys fabricated via selective laser melting (SLM) and gravity casting. Special attention was directed towards determining the effect of post-fabrication heat treatments on the microstructural evolution of AlSi10Mg alloy fabricated using two different routes. Three initial alloy conditions were considered prior to ECAP deformation: (1) as-cast in solution treated (T4) condition, (2) SLM in T4 condition, (3) SLM subjected to low-temperature annealing. Light microscopy, transmission electron microscopy, X-ray diffraction line broadening analysis, and electron backscattered diffraction analysis were used to characterize the microstructures before and after ECAP. The results indicated that SLM followed by low-temperature annealing led to superior mechanical properties, relative to the two other conditions. Microscopic analyses revealed that the partial-cellular structure contributed to strong work hardening. This behavior enhanced the material’s strength because of the enhanced accumulation of geometrically necessary dislocations during ECAP deformation.

Słowa kluczowe

EN

AlSi10Mg; cast; selective laser melting; microstructure; equal channel angular pressing

PL

odlew; mikrostruktura; obróbka cieplna

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2021
• Tom: Vol. 21, no. 3
• Strony: 77--94
• Opis fizyczny: Bibliogr. 44 poz., rys., wykr.

Twórcy

autor

Snopiński Przemysław

• Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18A Konarskiego Street, 44-100 Gliwice, Poland

• https://orcid.org/0000-0002-4108-0903

autor

Król Mariusz

• Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18A Konarskiego Street, 44-100 Gliwice, Poland

autor

Pagáč Marek

• Center of 3D Printing Protolab, Department of Machining, Assembly and Engineering Technology, Faculty of Mechanical Engineering, VSB-TU Ostrava, 17. Listopadu 2172/15, Ostrava-Poruba 708 00, Czech Republic

autor

Petrů Jana

• Center of 3D Printing Protolab, Department of Machining, Assembly and Engineering Technology, Faculty of Mechanical Engineering, VSB-TU Ostrava, 17. Listopadu 2172/15, Ostrava-Poruba 708 00, Czech Republic

autor

Hajnyš Jiří

• Center of 3D Printing Protolab, Department of Machining, Assembly and Engineering Technology, Faculty of Mechanical Engineering, VSB-TU Ostrava, 17. Listopadu 2172/15, Ostrava-Poruba 708 00, Czech Republic

autor

Mikuszewski Tomasz

• Department of Materials Science, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland

autor

Tański Tomasz

• Department of Engineering Materials and Biomaterials, Silesian University of Technology, 18A Konarskiego Street, 44-100 Gliwice, Poland

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)