OBRABOTKAMETALLOV MATERIAL SCIENCE Том 23 № 3 2021 EQUIPMEN . INSTRUM TS Vol. 6 No. 2 2024 22. Perlin I.L., Raitborg L.Kh. Teoriya pressovaniya metallov [Theory of metal pressing]. Moscow, Metallurgiya Publ., 1975. 442 p. 23. Baglyuk G.A. Analiz kinematiki svobodnoi osadki poristogo tsilindra s uchetom kontaktnogo treniya [Analysis of the kinematics of the process of free upsetting of a porous cylinder in the presence of contact friction]. Poroshkovaya metallurgiya = Powder metallurgy, 1993, no. 1, pp. 17–21. Conflicts of Interest The authors declare no conflict of interest. 2024 The Authors. Published by Novosibirsk State Technical University. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0).
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