Comparison Between The Microstructural, Morphological, Mechanical And Tribological Characteristics Of Nanocrystalline Ni And Ni-co Electrodeposited Coatings
| dc.contributor.author | Hamidouche, Mohamed | |
| dc.contributor.author | Khennafi-benghalem, Nafissa | |
| dc.date.accessioned | 2023-09-11T05:54:54Z | |
| dc.date.available | 2023-09-11T05:54:54Z | |
| dc.date.issued | 2017 | |
| dc.description.abstract | For improving the wear resistance of steel type commonly used in industry, nanocrystalline nickel and nickel-cobalt coatings were electrodeposited on A60 steel substrate in a modified Watts bath. The observation of the coatings produced by scanning electron microscopy (SEM) showed that nickel coatings have a smooth morphology whereas Ni-Co alloy deposits have a lens-shaped morphology with a considerable increase in the grains size of Ni-Co alloy deposits. The results of XRD showed that nickel coatings having fcc phase structure while Ni-Co coatings have hcp phase structure. The study of coatings micro-hardness indicate that the latter follows Hall Petche effect where nickel deposits which have the smallest grain size show a higher micro-hardness in comparison with Ni-Co coatings. Pin on disk tribometric analysis under unlubricated conditions illustrated a great improvement of the wear resistance by the addition of cobalt on nickel coatings, where the friction coefficient and the wear rates are significantly reduced in Ni-Co coatings compared with nickel coatings. | ar |
| dc.identifier.issn | 2170-161X | |
| dc.identifier.issn | 2588-2082 | |
| dc.identifier.uri | http://hdl.handle.net/123456789/15448 | |
| dc.language.iso | en | ar |
| dc.publisher | Oum-El-Bouaghi University | ar |
| dc.subject | Ni | ar |
| dc.subject | Ni-Co | ar |
| dc.subject | Coating | ar |
| dc.subject | Microstructure | ar |
| dc.subject | Morphology | ar |
| dc.subject | Microhardness | ar |
| dc.subject | Tribological behavior | ar |
| dc.title | Comparison Between The Microstructural, Morphological, Mechanical And Tribological Characteristics Of Nanocrystalline Ni And Ni-co Electrodeposited Coatings | ar |
| dc.type | Article | ar |