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| Naji, M. |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Azam, Siraj |
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| Azevedo, Nuno Monteiro |
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Trzaska, Maria
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Publications (7/7 displayed)
- 2023Properties of Ni-B/B Composite Coatings Produced by Chemical Reductioncitations
- 2020Influence of heat treatment on properties of Ni-B/B composite coatingscitations
- 2019Structure and mechanical properties of nanocrystalline Ni/Cu multilayer coatings produced by the electrocrystallization methodcitations
- 2018Preparation and properties of nanocrystalline Ni/graphene composite coatings deposited by electrochemical methodcitations
- 2016Preparation and mechanical properties of alumina composites reinforced with nickel-coated graphenecitations
- 2011The effect of the diffusive, composite chromium nitride layers produced by a hybrid surface treatment on the corrosion behavior of AZ91D magnesium alloycitations
- 2005Influence of the ceramic reinforcement on the fatigue strength of the aluminum-matrix composites subjected to electrodischarge machining
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article
Influence of heat treatment on properties of Ni-B/B composite coatings
Abstract
<p>The results of research on preparations of alloy Ni-B/B composite coatings produced by chemical reduction method on a carbon steel substrate are collected in this paper. The alloy Ni-B coatings were also investigated for comparative purposes. The produced coatings were subjected to a heat treatment process. The boron powder with the particles size below 1 μm was used as the dispersion phase. The structure of the coatings was examined by X-ray diffraction method. Boron powder particles as well as surface morphology and topography were characterized by scanning electron microscopy. The roughness test, microhardness and corrosion resistance by potentiodynamic method and surface wettability tests were carried out. Analysis of the chemical composition by the EDS method showed that the boron powder particles were evenly embedded in the entire volume of the coating. Ni-B/B composite coatings are characterized by higher hardness than alloy Ni-B coatings. As a result of heat treatment, the Ni<sub>3</sub>B phase crystallized, which increased the hardness of the coating material. The incorporation of boron powder particles and heat treatment reduce the corrosion resistance of coatings. All produced coatings exhibited hydrophobic properties.</p>