The article is devoted development of
technologies of the superficial strengthening of
details of machines as billows by creation of the
combined multi-layered wearproof coverages with
the set properties. The got results present practical
interest for technological developments which
provide forming of coverages with necessary
operating properties for the different terms of work of
details of machines, and also information about
possibility of change of properties of coverages.
Causing of electro-spark coverages increases
operating firmness of details of machines in 3-6
superficial strengthening, details of machines, electro-spark alloying, surface plastic deformation, wearproof coverages.
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