ASSEMBLY OF ALUMINIUM PARTS AND STEEL PARTS WITH COATING FROM ZnAlMg ALLOY Russian patent published in 2016 - IPC C23C2/06 C22C18/04 B62D25/00 

FIELD: machine building.

SUBSTANCE: assembly element based on aluminium and steel element with metal coating on one of its surface, made of zinc-aluminium-magnesium alloy. Alloy comprises 2.3-3.3 wt% magnesium, 3.5-3.9 wt% aluminium, balance - zinc, inevitable impurities and several additional elements selected from Si, Sb, Pb, Ti, Ca, Mn, Sn, La, Ce, Cr, Ni or Bi. Surface of element from steel with coating partially stays in contact with element based on aluminium. Contact can be provided by a layer of adhesive and/or sealing compound, its thickness is less than 5 mm. Part of vehicle comprises above described assembly. Vehicle comprises above described part. In first version, use of steel part with metal coating on one of its surface, made of zinc-aluminium-magnesium alloy, for making said assembly. In second version, use of steel part with metal coating on one of its surface, made of zinc-aluminium-magnesium alloy, for making part.

EFFECT: higher corrosion resistance of parts.

11 cl, 3 dwg, 2 tbl