Experimental Study of Non-Uniform Distribution of Basic Mechanical Parameters in Steel-Titanium Bimetal

Abstract

The scope of this work is to study the process of explosive welding on basic strength properties of the welding interface layer and layers of the material which is near the welding interface. For this purpose the results of tests of basic strength properties in selected layers of steel-titanium bimetal (S355J2, titanium Grade 1) made by explosive welding are presented in the work. Tests were carried out by using mini-samples taken from the welding interface and from places located near the welding interface. Strength tests were carried out on the original system for strength tests - Micro Fatigue System (MFS). Strain during the tests was defined on the basis of a field analysis of dislocations in the camera's field of observation by use of the digital image correlation method. The conducted tests showed that the explosive welding process had impact upon basic strength parameters of the material of particular layers of the plated product.