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Year 2021 Volume 19, Issue 4 |
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Issues/2021/vol. 19 /Issue 4 |
A. V. Minitskyi, P. I. Loboda, Ie. G. Byba, I. Yu. Trosnikova, O. I. Khovavko
«Effect of Production Methods on the Microstructure, Phase Composition, and Properties of Hard Alloy VK8 with Submicron Grain
»
0799–0806 (2021)
PACS numbers: 61.05.cp, 61.43.Gt, 62.20.Qp, 68.37.Hk, 81.07.Wx, 81.20.Ev, 81.65.Ps
The effect of manufacturing process on the microstructure, phase composition, and properties of hard alloy VK8 that can be used for the cores of small armour-piercing ammunitions is revealed. According to the results obtained by scanning electron microscopy, x-ray phase analysis, and durometry, the sintering kinetics of the hard alloy VK8 allows forming a fine-grained microstructure with different levels of microstresses, depending on the production technique, which affects the mechanical properties of the material.
Key words: hard alloy, tungsten carbide, spark plasma-enhanced sintering, electron beam-assisted sintering, radiation sintering, hardness, microstresses
https://doi.org/10.15407/nnn.19.04.799
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