ANALYSIS OF HVOF-SPRAYED MCrAlY COATINGS USING SEM IMAGE PROCESSING
A. Davidescu, G. G. Savii, C. Sticlaru
Journal of Optoelectronics and Advanced Materials
abstract:The paper presents an analysis algorithm for SEM images of HVOF-sprayed MCrAlY coatings as used in high-temperature environments. The grain size, orientation and deformation obtained for different oxygen fluence and different MCrAlY powders of spherical morphology are determined, in order to evaluate the coating process.
keywords:Image Processing; SEM; Grain size; Grain orientation; Grain form factor
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