Abstract
This work discusses the influence of pulse action by low-energy high-current electron beams on the structure-phase state of near-surface layers of T15K6 hard alloy. It is found that, upon an increase in energy density as a consequence of melting of the alloy carbides, there occurs formation of tungsten saturated hard alloy (Ti, W)C and the transformation WC → W2C upon crystallization. Depending on the radiation mode, there occurs formation of a cellular (typical for "explosive" crystallization) or dendrite structure of the surface. These structure-phase transformations result in up to a threefold increase in the microhardness of the surface of the irradiated material.
| Original language | English |
|---|---|
| Pages (from-to) | 350-357 |
| Number of pages | 8 |
| Journal | Journal of Surface Investigation |
| Volume | 5 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 1 Apr 2011 |
Keywords
- explosive crystallization
- hard alloy
- low-energy high-current electron beam
- microhardness
- structure-phase transformations
ASJC Scopus subject areas
- Surfaces, Coatings and Films
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Uglov, V. V., Koval', N. N., Kuleshvov, A. K., Ivanov, Y. F., Teresov, A. D., & Soldatenko, E. A. (2011). Structure-phase transformation in surface layers of hard alloy as a result of action of high-current electron beams. Journal of Surface Investigation, 5(2), 350-357. https://doi.org/10.1134/S1027451011040173