Microstructure, phase composition and corrosion resistance of Ni2O3 coatings produced using laser alloying method-Reference-Cited by-同舟云学术

Microstructure, phase composition and corrosion resistance of Ni2O3 coatings produced using laser alloying method

Published:2016-12-01 Issue:1 Volume:36 Page:23-29
ISSN:2450-9469
Container-title:Archives of Mechanical Technology and Materials
language:en
Short-container-title:

Author:

Bartkowska Aneta¹,Przestacki Damian¹,Chwalczuk Tadeusz¹

Affiliation:

1. Poznan University of Technology, Piotrowo 3 Street, 60-965 Poznan, Poland

Abstract

Abstract The paper presents the studies' results of microstructure, microhardness, cohesion, phase composition and the corrosion resistance analysis of C45 steel after laser alloying with nickel oxide (Ni2O3). The aim of the laser alloying was to obtain the surface layer with new properties through covering C45 steel by precoat containing modifying compound, and then remelting this precoat using laser beam. As a result of this process the surface layer consisting of remelted zone and heat affected zone was obtained. In the remelted zone an increased amount of modifying elements was observed. It was also found that the surface layer formed during the laser alloying with Ni2O3 was characterized by good corrosion resistance. This property has changed depending on the thickness of the applied precoat. It was observed that the thickness increase of nickel oxides precoat improves corrosion resistance of produced coatings.

Publisher

Walter de Gruyter GmbH

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