Abstract
A pulsed plasma spray generator based on a new principle is developed for depositing ceramic-metal, ceramic, and metal coatings on solid substrates. Calculations of the plasma-generator parameters are presented. A hard alloy (W-Co) was deposited on a copper substrate to demonstrate the use of the plasma generator. A Rutherford backscattering (RBS) technique, x-ray diffraction microanalysis of phase composition, diffraction transmission electron microscopy (TEM), and hardness and adhesion measurements were used to examine the hard-alloy coating. It is shown that the coating consists of W-Co crystals with hexagonal and cubic lattices and contains ∼25-nm cobalt α-and β-phase crystallites, with W3Co3C particles revealed at the crystallite edges.
Original language | English |
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Pages (from-to) | 897-904 |
Number of pages | 8 |
Journal | Technical Physics |
Volume | 46 |
Issue number | 7 |
DOIs | |
Publication status | Published - 1 Jul 2001 |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)