Corrosion resistant poly-metal diffusion coatings and a...

Details Corrosion resistant poly-metal diffusion coatings and a... Corrosion resistant poly-metal diffusion coatings and a...

2007-07-10

2007-07-10

King, Roy (Department: 1742)

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

C148S527000, C148S529000, C427S321000, C427S433000, C428S659000

Reexamination Certificate

active

10308988

ABSTRACT:
Diffusion metallic anticorrosive zinc-iron-aluminum coatings of iron and iron-based item surfaces, realized by heating of products at temperatures of 370–450° C. in a saturating powder mixture environment in a closed container. The coating compositions are multiphase-polymetallic, and comprise zinc, iron and aluminum. Other elements may be added to attain specific coating properties. This coating exhibits a high corrosion resistance (at least a 700-hour corrosion resistance level in a standard salt spray test), a relatively high hardness level and good adhesion to secondary coatings.

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patent: 0968066 (2000-01-01), None
patent: WO 9841346 (1998-09-01), None

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