CS240417B1 - A method of welding a layer of another metal to aluminum - Google Patents

Abstract

The invention relates to welding technology and can be used in all areas of the national economy, where structures are made of aluminum alloys. The aim of the invention is to increase the weldability by increasing the wear resistance of the welded layer when welding aluminum onto materials from the iron group, ensuring a reduction in own costs. The stated aim is achieved by first welding the layer with a current that is 1.5 to 3 times greater than the current used for a given thickness, and at a speed that is 3 to 10 times higher compared to the speeds for a given thickness, while the weld metal is supplied to the first layer in an amount of 20 to 90% of the weld pool and then the weld metal is re-melted with an increased volume of the weld pool by 1.2 to 5 times.

Description

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Claims (1)

BACKGROUND OF THE INVENTION Method for Welding Another Metal to Aluminum with Welding Wire, characterized in that in order to improve the quality of the weld, the wear resistance of the welded layer is increased in the process of welding the iron group to the aluminum by first welding the layer with a jet. which is 1.5 to 3 times larger than the current used by the sold thickness and at a rate which is higher with respect to the speeds for the thickness 3 to 10, wherein the welded metal is fed to the first layer in an amount of 20 to 90% of the welded web and then re-melted. metal at 1.2 to 5 times the weld pool volume. Recognized by the invention on the basis of the results of expertise, conducted by the State Committee for Inventions and Discoveries of the USSR, Moscow, SU,