Forging of PM Ti-6Al-4V alloy at the temperature above β-transus and high strain rate: modeling and trials in industrial conditions

• Autorzy: Wojtaszek Marek , Zyguła Krystian , Łukaszek-Sołek Aneta , Jabłońska Magdalena , Stanik Rafał , Gude Maik

Identyfikatory

DOI

10.1007/s43452-023-00636-4

• Języki publikacji: EN

Abstrakty

EN

The results of the forging process in open dies of the powder metallurgy (PM) Ti-6Al-4V alloy, carried out at the temperature above β-transus and at a high strain rate were presented. As an initial material for the research relatively cheap elemental powders were used. This approach gives a real chance for the implementation of the developed technologies. As the range of phase transition temperature in titanium alloys is influenced also by the technology of their production, the β-transus temperature was estimated for the PM Ti-6Al-4V alloy. Finite element method (FEM) numerical analysis of the forging process at the temperature of 1000 °C and high strain rate was performed. The results obtained by the FEM modeling were verified under industrial conditions. The forging trials were made at the temperature of 1000 °C on a screw press operating at a speed of 250 mm s^-1. For comparison, the alloy was also studied in as-cast and hot-rolled conditions, which is widely used as a feedstock. The influence of the method of manufacturing feedstock on the microstructure and selected properties of the forgings was determined. This approach allowed for a qualitative assessment of the PM material. The forging process in open dies of two different feedstocks led to the production of forgings with a uniform and similar lamellar microstructure. Thus, it was shown that the heating conditions, the parameters of the forging process, and the method of cooling the product after forging have a decisive influence on the microstructure condition of the forgings shaped in the temperature range of the β phase.

Słowa kluczowe

EN

Ti-6Al-4V alloy; powder metallurgy; open-die forging; β-transus temperature

PL

stop Ti-6Al-4V; metalurgia proszków; kucie swobodne

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2023
• Tom: Vol. 23, no. 2
• Strony: art. no. e102, 2023
• Opis fizyczny: Bibliogr. 50 poz., rys., tab., wykr.

Twórcy

autor

Wojtaszek Marek

• Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Al. A. Mickiewicza 30, 30‑059 Krakow, Poland

• https://orcid.org/0000-0001-6942-8388

autor

Zyguła Krystian

• Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Al. A. Mickiewicza 30, 30‑059 Krakow, Poland

autor

Łukaszek-Sołek Aneta

• Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Al. A. Mickiewicza 30, 30‑059 Krakow, Poland

autor

Jabłońska Magdalena

• Faculty of Materials Engineering, Silesian University of Technology, Krasińskiego 8, 40‑019 Katowice, Poland

autor

Stanik Rafał

• Institute of Lightweight Engineering and Polymer Technology (ILK), Technische Universitat Dresden, Holbeinstrase 3, 01307 Dresden, Germany

autor

Gude Maik

• Institute of Lightweight Engineering and Polymer Technology (ILK), Technische Universitat Dresden, Holbeinstrase 3, 01307 Dresden, Germany

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Uwagi

PL

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