METHOD OF PROTECTIVE COATING RECEIVING ON SURFACE IN HARD TO REACH PORES AND DEFECTS OF METAL PRODUCTS Russian patent published in 2009 - IPC C23C14/24 C23C14/06 C23C14/02 

FIELD: metallurgy.

SUBSTANCE: invention concerns metal fabrics conservation. Particularly it concerns methods of receiving protective coatings on surface in hard-to-reach pores and defects of metal products, and can be used in mechanical engineering and archaeology. Method includes preparation and vacuum degassing of product surface. After what it is implemented surface saturation of hard-to-reach pores and defects of product by organic and/or inorganic gaseous substance and polymerisation of gaseous substance in plasma out of access for air. Vacuum degassing is implemented at temperature from 200°C till 600°C. Polymerisation of gaseous substances is implemented in plasma of glow discharge of direct or alternating-current. After polymerisation of gaseous substances on product surface it can be applied protective coating made of solution or melt of organic polymer.

EFFECT: increasing of processibility and reliability of coating on surface, in hard-to-reach pores and defects of metal products.

4 cl, 1 ex