METHOD FOR FORMING METALLIC PORTION ON METALLIC SUBSTRATE BY DEPOSITING LAYERS ONE ON OTHER (VARIANTS)

摘要

FIELD: processes for forming metallic portion on metallic substrate by superimposing deposited layers one on other, possibly manufacture of articles with laminate coating. ^ SUBSTANCE: method comprises steps of generating heat beam of heat power source and directing said beam to metallic powder fed from powdered metal source; moving substrate relative to beam along formed portion while creating propagating zone of melt; during process of forming group of metallic layers reading parameters of melt zone in group of selected coordinates; storing read parameters in each of selected coordinate group and processing stored parameters while determining respective power of laser for applying next layer. Power change for applying next layers is realized in such a way that to create melt zone corresponding to those formed for applying lower optimal layer. It compensates heating of substrate caused by layer deposition and causing increased melt zone dimension or temperature in upper layers. ^ EFFECT: enhanced quality of metallic substrates. ^ 12 cl, 4 dwg