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The paper presents the results of studies on microstructure, microhardness, fracture toughness, cohesion and wear resistance of copper modified boronized layers. Borocopperizing process consisted in simultaneous introduction of metallic copper and amorphous boron by diffusion. Borocopperized layers, similarly to boronized layers have a single-zone structure. It was observed that diffusion borocopperizing...
The paper presents the results of studies on microstructure, microhardness, wear and corrosion resistance of C45 steel laser alloyed with boron end silicon. The aim of laser alloying was to cover the steel with the modifying element and then melting it with a laser beam. As a result of laser alloying a layer was obtained that was composed of remelted zone enriched in modifying elements and of heat...
This paper presents a preceding procedure that should be conducted in order to successfully regenerate damaged forging dies by the hard facing process. After the tool damage types identification, as well as their causes, we have chosen the procedure and the parameters of hard facing that we further corrected by conducting the test hard facings on models. Thus, we were able to relate the output results...
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