Abstract
The laser sintering of powders is one of new technologies of producing surface coatings from nanostructural materials. In this work, we used methods of transmission and scanning electron microscopy, X-ray diffraction analysis, and X-ray photoelectron spectroscopy to study the structure of layers synthesized using laser sintering of an ultradispersed powder consisting of Fe-Ni nanocomposites. For explaining the specific characteristics of the structure that was formed as a result of high-energy laser action, we carried out a mathematical simulation of the processes of heat transfer with the application of the model of a two-phase (mushy) zone. The coatings synthesized possess a multilevel system of connected pores and can be used in catalytic reactions and hydrogen power engineering.
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