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Purpose: The paper presents the results of investigations of Ni-B/Si3N4 composite layers produced on steel substrate by electroless method. Design/methodology/approach: Amorphous silicon nitride powder (Si3N4) with nanometric particle sizes was used as a dispersion phase for the production of composite layers. Ni-B/Si3N4 composite layers were produced in baths of varying Si3N4 powder content. For...
The paper presents results of studies of alloy composite layers of Ni-B/Al203 produced by electroless method on steel substrate. As the dispersion phase is the powder of aluminum oxide Al203 with nanometric size. Two variants of Ni-B/Al203 layers deposited from a bath containing different amounts of aluminum oxide (5 and 10 g/dm3) were prepared and for comparison purposes the Ni-B layer without built-AI203...
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