Issues »  Volume 47, Issue 8

Microstructure and Mechanical Characteristics of Layered Titanium-Based Materials Manufactured with Blended Elemental Powder Metallurgy

D. G. Savvakin$^{1}$, O. M. Ivasishin$^{1}$, O. O. Stasiuk$^{1}$, D. V. Oryshych$^{1}$, O. V. Zatsarna$^{1}$, B. Ya. Melamed$^{1}$, N. V. Yarova$^{2}$, L. M. Yashchenko$^{2}$, P. E. Markovsky$^{1}$

$^{1}$G. V. Kurdyumov Institute for Metal Physics, NAS of Ukraine, 36 Academician Vernadsky Blvd., UA-03142 Kyiv, Ukraine
$^{2}$Institute of Macromolecular Chemistry, N.A.S. of Ukraine, 48 Kharkiv Highway, UA-02160 Kyiv, Ukraine

Received: 30.01.2025; final version - 28.04.2025. Download: PDF

Press-and-sinter blended elemental powder-metallurgy approach using hydrogenated titanium powder is used to manufacture nearly-dense commercially-pure titanium, Ti–6Al–4V alloy, and metal-matrix composites based on them and reinforced with TiC particles. The potential for variation of mechanical characteristics of these materials depending on the matrix composition and TiC content within 10–40% is determined using hardness and compression tests. Highly-porous titanium samples (with 60–64% pores) are manufactured using titanium-hydride and space-holder powders. Impregnation of porous titanium with polymers based on epoxyurethanes and epoxides is used to affect deformation ability. Polymers based on epoxyurethanes improve the stress–strain characteristics of porous titanium under compression, which is useful for better energy-adsorption characteristics. Nearly-dense metal-matrix composites, porous titanium, and nearly-dense alloy layers are joined in various combinations using polymer to create layered structures. The mechanical behaviour of layered structures is determined with three-point flexure tests. It is shown the effect of intermediate porous layers for the decrease in strength and Young’s modulus, but for the increase in deformation ability of the layered structure as a whole. Proper selection of material combinations and thickness of layers gives wide potential for controllable and useful adjustment of strength, ductile, and damping characteristics of layered materials.

Key words: titanium-based layered materials, titanium alloys and metal-matrix composites, porous titanium, polymer, mechanical characteristics.

URL: https://mfint.imp.kiev.ua/en/abstract/v47/i08/0857.html

DOI: https://doi.org/10.15407/mfint.47.08.0857

PACS: 61.43.Gt, 62.20.D-, 62.20.Qp, 81.05.Ni, 81.05.Rm, 81.20.Ev, 81.40.-z

Citation: D. G. Savvakin, O. M. Ivasishin, O. O. Stasiuk, D. V. Oryshych, O. V. Zatsarna, B. Ya. Melamed, N. V. Yarova, L. M. Yashchenko, and P. E. Markovsky, Microstructure and Mechanical Characteristics of Layered Titanium-Based Materials Manufactured with Blended Elemental Powder Metallurgy, Metallofiz. Noveishie Tekhnol., 47, No. 8: 857–873 (2025)

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