Abstract
The study of the surface alloy NiAl formed by irradiating a three-layer system of alternating layers of Ni and Al with a total thickness of 2.5 µm by a low-energy high-current electron beam with a different number of pulses is presented. The influence of the number of irradiation pulses on the morphology of the obtained surface alloys, their microhardness, and the structure of the transition layer on transverse sections is studied. It is found that with an increase in momentum the surface layer becomes smooth and cracks are reduced to a certain number of pulses. The microhardness values of the surface alloys obtained are close and, on average, 1.5 times higher than that of the initial sample.
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