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Abstract
The results of investigation of the surface of a copper substrate modified with titanium ions are presented. The phase composition, the structure, and the morphology of the surface of the copper alloy modified by titanium ions have been investigated by X-ray, SEM, and TEM. It has been established that there are the intermetallic phases of the Cu-Ti equilibrium diagram in the surface layer during the treatment of copper by the titanium ions. A multilevel micro- and nanoporous structure is formed in the modified layer. It has been established that the structure-phase state and morphology of the surface layers of copper directly effects on the thermocycler resistance and adhesion of the Zr-Y-O coating. The thermocyclic resistance of the Zr-Y-O coating increases by an order of magnitude, the adhesion to the substrate is 2 times if the substrate surface is treated with titanium ions for 6 min.
Highlights
Methods of surface modification are widely used in the world
It is known that irradiation of a copper substrate with heavy ions can cause changes in the surface relief
At short modification times (2 min) ion etching begins on the surface of the copper substrate caused by different erosion rates of the adjacent surface areas with different crystallographic orientation
Summary
Methods of surface modification are widely used in the world. Today, there are many radiation-beam technologies (RBT), which are classified by energy carriers and take into account the main modifying factor. The authors [8,9,10] believe that, in addition to the change in the content of impurity elements in the region of the interface, the reason for the improvement of the adhesion properties of the coating is the effect of ion implantation, such as the radiation damage in the surface layer of the substrate, which, in turn, causes a change in the conditions for the nucleation and a subsequent growth of the coating. Various structural and phase changes occur which are determined by the parameters of the radiation exposure, which leads to a change in the optical, mechanical, and electrical properties of the surface layers of the material [11,12]
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