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- Title
EFFECT OF ALLOYING ON PHYSICO-MECHANICAL PROPERTIES OF FUSED TUNGSTEN CARBIDES.
- Authors
BELY, A. I.; ZHUDRA, A. P.; ROSLYAKOV, A. I.; PETROV, V. V.; LOBODA, P. I.
- Abstract
Studies of fused tungsten carbide alloying by NbC, Cr3C2, B4C, VC, TiB2, Mo, and of their influence on alloy physico-mechanical properties have been performed. It is shown that the alloy properties largely depend on dimensions and quantity of the reinforcing phase, which can change in a broad range during solidification, depending on melt composition and thermal conditions of solidification. It is established that the high values of physico-mechanical properties of fused carbides are achieved at alloy structures, which are a matrix of one of the refractory compounds, reinforced by fibres of the second refractory compound. Increase of microhardness of the alloy spherical particles by 30-40 %, as well as of strength and wear resistance, particularly at alloying with molybdenum, is found.
- Subjects
TUNGSTEN; CARBIDES; WEAR resistance
- Publication
Paton Welding Journal, 2015, Issue 5/6, p112
- ISSN
0957-798X
- Publication type
Article
- DOI
10.15407/tpwj2015.06.25