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Production of Composite Materials By the Powder Metallurgy Method from the Powder Manufactured from Wastes of Mechanical Treatment of Ingots of Alloys VT-22

Published date:Dec 31 2020

Journal Title: KnE Material Sciences

Issue title: IV Congress “Fundamental Research and Applied Developing of Recycling and Utilization Processes of Technogenic Formations” Volume 2020

Pages:543–547

DOI: 10.18502/kms.v6i1.8139

Authors:

Olga Vladimirovna RomanovaInstitute of Metallurgy of the Ural Branch of the Russian Academy of Sciences 101, Amundsen street, Ekaterinburg, Russia

Olga Fedorovna RybalkoInstitute of Metallurgy of the Ural Branch of the Russian Academy of Sciences 101, Amundsen street, Ekaterinburg, Russia

Mikhail Nikolaevich ZakharovInstitute of Metallurgy of the Ural Branch of the Russian Academy of Sciences 101, Amundsen street, Ekaterinburg, Russia

Nina Iosifovna IlinykhInstitute of Metallurgy of the Ural Branch of the Russian Academy of Sciences 101, Amundsen street, Ekaterinburg, Russia

Abstract:

This study considers the preparation of new composite materials based on VT-22 titanium alloy powder made from waste from machining ingots by plasma spraying. Two composite compositions were selected for the study: 1 - 65% VT-22 + 30% PTM-1 + 5% N70Y30 and 2 - 70% VT-22 + 25% PTM-1 + 5% PMS. The structure and microstructure of the samples were studied, and X-ray phase analysis was carried out. Materials with a homogeneous fine structure were obtained by cold pressing followed by sintering. The samples have the structure of the VT-22 alloy but have a hardness higher than that of the starting material.

Keywords: Composite materials, composite pressing, titanium alloy powders, additive powders

References:

[1] Qian, M. and Froes, F. H. (Eds.). (2015). Titanium Powder Metallurgy: Science, Technology and Applications. United Kingdom, Elsevier Butterworth-Heinemann.

[2] Il’in, A. A., Kolachev, I. S. and Polkin, I. S. (2009). Titanium Alloys. Composition, Structure, Properties. Directory. Moscow: VILS-MATI.

[3] Alexandrov, A. A., et al. (2017). The Use of Metallurgy of Granules of Titanium Alloys to Obtain New Materials and Products with Enhanced Characteristics. Scientific and Technical Journal Titan, issue 1, vol. 55, pp. 28-33.

[4] Veiga, C., Davim, J. P. and Loureiro, A. J. R. (2012). Properties and Applications of Titanium Alloys: A Brief Review. Reviews on Advanced Materials Science, vol. 32, pp.133-148.

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[6] Schennikova, T. L., et al. (2015). Investigation of the Properties of Powders of VT-22 Alloy and Powder Materials based on it. Perspectivnie materialy, issue 4, pp. 15-20.

[7] Robertson, I. M. and Schaffer, G. B. (2010). Review of Densification of Titanium based Powder Systems in Press and Sinter Processing. Powder Metallurgy, vol. 53, issue 2, pp. 146-162.

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