METHOD OF MACHINE PARTS RECONDITIONING Russian patent published in 2001 - IPC

FIELD: reconditioning of machine parts metal defective surface, mainly, made of aluminum alloys hardened by heat treatment. SUBSTANCE: method includes application to defect place of article surface of mixture of powders of aluminum and silicon carbide accelerated in supersonic nozzle. Size of aluminum powder particles is 10-50 mcm, and size of silicon carbide particles is 30-50 mcm. Silicon carbide amounts up to 20-40 wt.% of powders mixture, and aluminum powder, the balance. For acceleration of powder mixture, air is preliminarily heated up to temperature of 120-180 C. EFFECT: possibility of reconditioning articles of any shape without use of special complicated equipment and considerable heat application to article defective place. 2 ex