Ni-P Coating on Steel Support by Electroless Method

The autocatalytic reduction method (electroless method) was applied to obtain the Ni-P layers with different P contents. Nickel sulfate was used as nickel ion source and as reducing agent the sodium hypophosphite. The surface morphology, microstructure, layers thickness and corrosion resistance in...

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Main Authors:	Tamara RADU, Andreea Georgiana DOBREA
Format:	Article
Language:	English
Published:	Galati University Press 2017-06-01
Series:	The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
Subjects:	Ni-P alloys macrostructure microstructure corrosion resistance
Online Access:	https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/1206

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spelling	doaj-3f15365bf30440668065bb4f4a1fd3642021-07-02T18:31:32ZengGalati University PressThe Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science2668-47482668-47562017-06-014021206Ni-P Coating on Steel Support by Electroless MethodTamara RADU0Andreea Georgiana DOBREA1"Dunarea de Jos" University of Galati"Dunarea de Jos" University of Galati The autocatalytic reduction method (electroless method) was applied to obtain the Ni-P layers with different P contents. Nickel sulfate was used as nickel ion source and as reducing agent the sodium hypophosphite. The surface morphology, microstructure, layers thickness and corrosion resistance in acidic and basic environment were analyzed. The research results show a strong connection between layer characteristics and process parameters: pH and temperature. The analyzed layers show a high stability in 10% NaOH solution and different corrosion rates in HCl solutions (1 N and 0.5 N) depending on the phosphorus content in the layer. https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/1206Ni-P alloysmacrostructuremicrostructurecorrosion resistance
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Tamara RADU Andreea Georgiana DOBREA
spellingShingle	Tamara RADU Andreea Georgiana DOBREA Ni-P Coating on Steel Support by Electroless Method The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science Ni-P alloys macrostructure microstructure corrosion resistance
author_facet	Tamara RADU Andreea Georgiana DOBREA
author_sort	Tamara RADU
title	Ni-P Coating on Steel Support by Electroless Method
title_short	Ni-P Coating on Steel Support by Electroless Method
title_full	Ni-P Coating on Steel Support by Electroless Method
title_fullStr	Ni-P Coating on Steel Support by Electroless Method
title_full_unstemmed	Ni-P Coating on Steel Support by Electroless Method
title_sort	ni-p coating on steel support by electroless method
publisher	Galati University Press
series	The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
issn	2668-4748 2668-4756
publishDate	2017-06-01
description	The autocatalytic reduction method (electroless method) was applied to obtain the Ni-P layers with different P contents. Nickel sulfate was used as nickel ion source and as reducing agent the sodium hypophosphite. The surface morphology, microstructure, layers thickness and corrosion resistance in acidic and basic environment were analyzed. The research results show a strong connection between layer characteristics and process parameters: pH and temperature. The analyzed layers show a high stability in 10% NaOH solution and different corrosion rates in HCl solutions (1 N and 0.5 N) depending on the phosphorus content in the layer.
topic	Ni-P alloys macrostructure microstructure corrosion resistance
url	https://www.gup.ugal.ro/ugaljournals/index.php/mms/article/view/1206
work_keys_str_mv	AT tamararadu nipcoatingonsteelsupportbyelectrolessmethod AT andreeageorgianadobrea nipcoatingonsteelsupportbyelectrolessmethod
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Ni-P Coating on Steel Support by Electroless Method

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