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[36774] Artykuł:

Tribological properties of plasma and HVOF-sprayed NiCrBSi–Fe2O3 composite coatings

Czasopismo: Surface & Coating Technology   Tom: 220, Zeszyt: Complete, Strony: 98-106
ISSN:  0257-8972
Wydawca:  ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND
Opublikowano: 2012
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału
Liczba
punktów
Wojciech Żórawski orcid logoWMiBMCentrum Laserowych Technologii Metali**5040.00  
Stanisław Skrzypek50.00  

Grupa MNiSW:  Publikacja w czasopismach wymienionych w wykazie ministra MNiSzW (część A)
Punkty MNiSW: 40
Klasyfikacja Web of Science: Article


Pełny tekstPełny tekst     DOI LogoDOI     Web of Science LogoYADDA/CEON    
Keywords:

Plasma spraying  HVOF  Solid lubricant 



Abstract:

This paper presents the properties of plasma and HVOF thermally sprayed coatings obtained by blending the NiCrBSi and Fe2O3 powders. Although the blended powders differ in particle size, shape, and distribution, it is possible to obtain composite coatings with a NiCrBSi matrix containing iron oxides. Except for a different microstructure, plasma and HVOF coatings have a different phase composition. An addition of Fe2O3 powder in the mixture with NiCrBSi powder led to a significant increase in roughness of the coating sprayed both in a plasma and supersonic manner. The coefficient of friction, microhardness and roughness of the coatings was determined using an experimental design called PS/DS-P:24-1 program. The study shows that the HVOF-sprayed coatings had a lower coefficient of friction.



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