Possibilities of using Ti–B–Fe system powders in producing hard alloys with improved mechanical properties | Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mekhanika – Tomsk State University Journal of Mathematics and Mechanics. 2025. № 96. DOI: 10.17223/19988621/96/6

Possibilities of using Ti–B–Fe system powders in producing hard alloys with improved mechanical properties

A method for obtaining a composite powder of titanium diboride and iron with high performance characteristics has been developed. The newly produced materials should be able to function at high speeds, temperatures, mechanical loads, and aggressive conditions. To meet these requirements, they should possess a complex set of physical, mechanical, chemical, and other special properties. In this work, the optimal modes of self-propagating high-temperature synthesis, subsequent grinding of the synthesis products, and further sintering have been discovered. The microstructures of the products at each technological stage of product preparation were studied. The compaction patterns of the compressed composite powder based on titanium diboride depending on the temperature and time parameters of sintering were examined. Mechanical tests of the obtained sintered materials for strength (a bend) and hardness (HRA) using the INSTRON 3368 and hardness tester TK-2 by the Rockwell method have determined high characteristics of strength (HRA 83-85, a bend = 1200 MPa) and wear resistance at the level of BK 15. The possibility of their application in the woodworking industry has been shown

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Keywords

self-propagating high-temperature synthesis, sintering, titanium diboride, structure, mechanical properties, composite material, Ti-B-Fe system, hardness, strength characteristics

Authors

Name	Organization	E-mail
Lepakova Ol’ga K.	Tomsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences	klavdievna.k@yandex.ru
Shkoda Ol’ga A.	Tomsk Scientific Center of the Siberian Branch of the Russian Academy of Sciences	O.Shkoda@dsm.tsc.ru

Всего: 2

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