Mechanical energy absorption capacity of the porous Ti-6AI-4V alloy under quasi-static and dynamic compression

• Autorzy: Markovsky Pavlo E. , Janiszewski Jacek , Stasiuk Oleksandr O. , Savvakin Dymitro G. , Oryshych Denys V. , Dziewit Piotr

Identyfikatory

DOI

10.24425/bpasts.2024.151959

• Języki publikacji: EN

Abstrakty

EN

Porous materials are extremely efficient in absorbing mechanical energy in different applications. In the present study, porous materials based on the Ti-6(wt.%)Al-4V alloy were manufactured with the use of two different powder metallurgy methods: i) blended elemental powder approach using titanium hydride (TiH2) as well as V-Al master alloy powders and ii) using hydrogenated Ti-6-4 pre-alloyed powder. The powder compacts were sintered with additions of ammonium bicarbonate as a pore-holding removable agent. The emission of hydrogen from hydrogenated powders on vacuum sintering and the resulting shrinkage of powder particles permitted the control of the sintering process and the creation of anticipated porous structures. Mechanical characteristics were evaluated under quasi-static and dynamic compressive loading conditions. Dynamic compression tests were performed using the direct impact Hopkinson pressure bar technique. All investigations aimed at characterizing the mechanical energy-absorbing ability of the obtained porous structures. The anticipated strength, plasticity, and energyabsorbing characteristics of porous Ti-6-4 material were evaluated, and the possibilities of their application were also discussed. Based on the obtained results, it was found that porous Ti-6-4 material produced with a blended elemental powder approach showed more promising energy absorption properties in comparison with pre-alloyed powder.

Słowa kluczowe

EN

porous titanium; porous titanium alloys; mechanical properties; direct impact Hopkinson pressure bar technique; microstructure influence; deformation mechanism; energy absorption; high strain-rate test

PL

właściwości mechaniczne; wpływ mikrostruktury; absorpcja energii; tytan porowaty; stop tytanu porowaty; technika dzielonego pręta Hopkinsona; mechanizm odkształcenia; badanie odkształceń; szybkość odkształcania

• Wydawca: Polska Akademia Nauk, Wydział IV Nauk Technicznych
• Czasopismo: Bulletin of the Polish Academy of Sciences. Technical Sciences
• Rocznik: 2025
• Tom: Vol. 73, nr 1
• Strony: art. no. e151959
• Opis fizyczny: Bibliogr. 24 poz., rys., tab., wykr.

Twórcy

autor

Markovsky Pavlo E.

• G.V. Kurdyumov Institute for Metal Physics of NAS of Ukraine, 36, Vernadsky Blvd., 03142, Kyiv, Ukraine

• https://orcid.org/0000-0002-3649-2727

autor

Janiszewski Jacek

• Military University of Technology, ul. Gen. Sylwestra Kaliskiego 2, 00–908 Warsaw 46, Poland

• https://orcid.org/0000-0003-3783-8774

autor

Stasiuk Oleksandr O.

• G.V. Kurdyumov Institute for Metal Physics of NAS of Ukraine, 36, Vernadsky Blvd., 03142, Kyiv, Ukraine

autor

Savvakin Dymitro G.

• G.V. Kurdyumov Institute for Metal Physics of NAS of Ukraine, 36, Vernadsky Blvd., 03142, Kyiv, Ukraine

• https://orcid.org/0000-0003-4001-2973

autor

Oryshych Denys V.

• G.V. Kurdyumov Institute for Metal Physics of NAS of Ukraine, 36, Vernadsky Blvd., 03142, Kyiv, Ukraine

• https://orcid.org/0009-0009-5369-8688

autor

Dziewit Piotr

• Military University of Technology, ul. Gen. Sylwestra Kaliskiego 2, 00–908 Warsaw 46, Poland

• https://orcid.org/0000-0002-6766-2901

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr POPUL/SP/0154/2024/02 w ramach programu "Społeczna odpowiedzialność nauki II" - moduł: Popularyzacja nauki (2025).