[HTML][HTML] Thermally sprayed multi-principal element Cr40Co40Ni20 coatings–Oxidation upon coatings' build-up and electrochemical corrosion
Abstract Thermally sprayed Cr 40 Co 40 Ni 20 coatings were produced by high-velocity
oxygen fuel (HVOF) and high-velocity air fuel (HVAF). The phases formed upon coatings'
build-up were sensitive to oxidation at high temperatures, leading to the formation of various
oxygen-rich compounds such as chromia and spinel. Chromia tended to be formed at the
inner layer, in contact with the metal, and the spinel forming the outer layer. HVAF coatings
suffered much less oxidation compared to the HVOF coatings. The pronounced Cr-depletion …
oxygen fuel (HVOF) and high-velocity air fuel (HVAF). The phases formed upon coatings'
build-up were sensitive to oxidation at high temperatures, leading to the formation of various
oxygen-rich compounds such as chromia and spinel. Chromia tended to be formed at the
inner layer, in contact with the metal, and the spinel forming the outer layer. HVAF coatings
suffered much less oxidation compared to the HVOF coatings. The pronounced Cr-depletion …
Thermally sprayed multi-principal element Cr40Co40Ni20 coatings-Oxidation upon coatings' build-up and electrochemical corrosion
Abstract Thermally sprayed Cr40Co40Ni20 coatings were produced by high-velocity oxygen
fuel (HVOF) and high-velocity air fuel (HVAF). The phases formed upon coatings' build-up
were sensitive to oxidation at high temperatures, leading to the formation of various oxygen-
rich compounds such as chromia and spinel. Chromia tended to be formed at the inner
layer, in contact with the metal, and the spinel forming the outer layer. HVAF coatings
suffered much less oxidation compared to the HVOF coatings. The pronounced Cr-depletion …
fuel (HVOF) and high-velocity air fuel (HVAF). The phases formed upon coatings' build-up
were sensitive to oxidation at high temperatures, leading to the formation of various oxygen-
rich compounds such as chromia and spinel. Chromia tended to be formed at the inner
layer, in contact with the metal, and the spinel forming the outer layer. HVAF coatings
suffered much less oxidation compared to the HVOF coatings. The pronounced Cr-depletion …
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