Abstract
The results of structure and phase composition change in tungsten after compression plasma flow and high-intensive pulsed ion beams impacts are discussed. The compression plasma flows with the absorbed energy in range 35–70 J/cm2 were used for the sub-surface modification. The preliminary Ti coating deposition on the tungsten surface allowed us to form W-Ti alloys by plasma flows treatment. The layer of the W-Ti alloy consists of solid solutions W(Ti) and β-Ti(W) as well as nitride phase (Ti,W)N. The high-intensive pulsed ion beam impact provides the tungsten carbide W2C formation in the sub-surface layer. When forming the W-Ti alloy the carbon ions implanted into the tungsten take part in the carbo-nitride (Ti,W)(N,C) formation without brittle W2C phase.
| Original language | English |
|---|---|
| Pages (from-to) | 43-52 |
| Number of pages | 10 |
| Journal | Applied Surface Science |
| Volume | 491 |
| DOIs | |
| State | Published - 15 Oct 2019 |
Keywords
- Alloying
- Compression plasma flow
- Phase composition
- Pulsed ion beam
- Structure
- Tungsten
- W-Ti alloy
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