The technique has some peculiar advantages on the metallurgical joining of dissimilar metal materials,which are hard to be welded through traditional melt welding methods.

Preparation technique on metallographic specimen of friction stir welds of dissimilar materials;

Dissymmetry of TLP diffusion bonding of dissimilar materials;

Inertia friction welding of dissimilar materials between K418 turbine disk and 42CrMo shaft;

Interface mechanics in the dissimilar material joints;

It is pointed that the matching of material properties and joint geometry is fundamental to the thermal stresses relaxation in the design of joints of dissimilar materials.

Study of friction welding of different material K24 and 1Cr11Ni2W2MoVA;