Thermal cyclic oxidation of NiCoCrAlYTa coatings manufactured by combustion flame spray

Melquisedec Vicente Mendoza, Christian de Jesús Morado Rueda, Antonio Mosqueda Sánchez, Fernando Juárez López

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

Cyclic oxidation tests of NiCoCrAlYTa coatings were carried out at temperatures of 1173 and 1273 K by 100 cycles. NiCoCrAlYTa coatings with initial microstructure formed by typical lamellar-splat were previously manufactured by combustion flame spray. A kinetic analysis revealed parabolic behaviour during oxidation of the NiCoCrAlYTa coatings. After oxidation treatment, scanning electron microscopy and x-ray diffraction analysis showed that alumina and Ni, Cr spinels oxides were formed in the coating. The NiCoCrAlYTa coatings obtained by CFS, shown to have important oxidation resistance at high-temperature.

Original languageEnglish
Article number101617
JournalMaterials Today Communications
Volume25
DOIs
StatePublished - Dec 2020

Keywords

  • CFS
  • Cyclic-Oxidation
  • NiCoCrAlYTa

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