RESISTANCE TO CORROSION OF BIMETAL REINFORCING RODS RECEIVED BY EXPLOSION WELDING

Abstract

The manuscript shows the result of corrosion tests of reinforcing bimetallic rods, the core of which was made of C45 carbon steel, and the cladding layer was made of 304L steel. Bimetallic reinforcing rods were obtained by explosive welding and then subjected to hot plastic working. The corrosion tests of the rods consisted of acidified salt spray tests and polarization measurements in sulphate solutions containing chloride ions. Potentiodynamic tests confirmed the correctness of choosing 304L steel for the plating layer. To determine the influence of the production process of bimetallic reinforcing rods on the microstructure of the cladding steel and the quality of the connection between the core and the cladding layer, a microscopic analysis of cross-sections of reinforcing bimetallic rods was carried out.