Search Results - "Delaunois, F."

Inorganic salts stabilizers effect in electroless nickel-boron plating: Stabilization mechanism and microstructure modification by Bonin, L., Vitry, V., Delaunois, F.

“…Electroless nickel‑boron coatings present exceptional wear and corrosion resistance, but the presence of toxic heavy metals like Pb or Tl in most plating baths…”
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Formation of borohydride-reduced nickel–boron coatings on various steel substrates by Vitry, V., Delaunois, F.

“…•Electroless nickel–boron was deposited on various steel substrates.•Initiation time is influenced by nickel content and microstructure of the…”
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Structural state of electroless nickel–boron deposits (5wt.% B): Characterization by XRD and TEM by Vitry, V., Kanta, A.-F., Dille, J., Delaunois, F.

“…The structure of electroless nickel–boron with a boron content around 5wt.% was investigated in the as deposited and heat treated states by X-ray diffraction…”
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Optimization of electroless NiB deposition without stabilizer, based on surface roughness and plating rate by Bonin, L., Castro, C.C., Vitry, V., Hantson, A.-L., Delaunois, F.

“…The study of the roughness and plating rate of electroless nickel-boron (NiB) coatings produced without stabilizer and the optimization of bath composition…”
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Wear and corrosion resistance of heat treated and as-plated Duplex NiP/NiB coatings on 2024 aluminum alloys by Vitry, V., Sens, A., Kanta, A.-F., Delaunois, F.

“…Al–Cu–Mg (Grade 2024) aluminum alloy was plated with nickel–boron coatings by the electroless deposition method. Some of the coatings were submitted to a…”
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Heat treatments for electroless nickel–boron plating on aluminium alloys by Delaunois, F, Lienard, P

“…Electroless nickel–boron baths reduced with sodium borohydride can be stabilized with various agents such as thallium nitrate or lead tungstate with no…”
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Effectiveness of phased array focused ultrasound and active infrared thermography methods as a nondestructive testing of Ni-WC coating adhesion by Rachidi, R., Elkihel, B., Delaunois, F., Deschuyteneer, D.

“…The substrate/coating adhesion is a crucial parameter conditioning the quality of coating and its durability in service. For this reason, an inspection of the…”
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Mechanical properties and scratch test resistance of nickel–boron coated aluminium alloy after heat treatments by Vitry, V., Delaunois, F., Dumortier, C.

“…Electroless nickel–boron deposits were synthesized on aluminium alloys and submitted to heat treatments under neutral (95% Ar + 5% H 2) atmosphere. Two set of…”
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Corrosion behaviour and biocorrosion of galvanized steel water distribution systems by Delaunois, F., Tosar, F., Vitry, V.

“…Galvanized steel tubes are a popular mean for water distribution systems but suffer from corrosion despite their zinc or zinc alloy coatings. First, the…”
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Thermal cycle simulation of welding process in low carbon steel by Boumerzoug, Z., Raouache, E., Delaunois, F.

“…► Investigation of the heat affected zone HAZ of real welded joints is not easy in metallic materials. This zone is very narrow. ► Thermal cycle simulation of…”
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Microstructure of two centrifugal cast high speed steels for hot strip mills applications by Vitry, V., Nardone, S., Breyer, J.-P., Sinnaeve, M., Delaunois, F.

“…[Display omitted] . ► The structure of two HSS grades (Kosmos and Aurora) was characterized. ► The effects of heat treatments on the structure were studied. ►…”
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Initiation and formation of electroless nickel–boron coatings on mild steel: Effect of substrate roughness by Vitry, V., Kanta, A.-F., Delaunois, F.

“…The initial deposition and growth of electroless nickel–boron deposits on mild steel were studied: the films were prepared in an electroless plating bath using…”
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The environmental management system and its application impacts on the business economy in the eastern region of Morocco by Mdehheb, Zakia, Elkihel, B, Bouamama, M, Hammouti, B, Delaunois, F

“…Nowadays, the environment occupies more and more a priority thought for the public opinion as well as for the local authorities, the administrations and the…”
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Effect of thermochemical and heat treatments on electroless nickel–boron by Kanta, A.-F., Vitry, V., Delaunois, F.

“…Electroless nickel–boron synthesized on mild steel was submitted different post-treatments (heat and thermochemical). The resulting surfaces were examined and…”
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Wear and corrosion resistance behaviours of autocatalytic electroless plating by Kanta, A.-F., Vitry, V., Delaunois, F.

“…Nickel–boron coatings were deposited on steel and aluminium substrates. Their morphology, roughness, hardness, wear resistance and electrochemical properties…”
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Nickel–boron electrochemical properties investigations by Kanta, A.-F., Poelman, M., Vitry, V., Delaunois, F.

“…Electroless nickel–boron (Ni–B) was synthesized on mild steel. Coating thickness was approximately 30 μm. Some of the coatings were submitted to a hardening…”
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Autocatalytic electroless nickel-boron plating on light alloys by Delaunois, F, Petitjean, J.P, Lienard, P, Jacob-Duliere, M

“…Light alloys are more and more widely used, notably in aeronautics and the car industry. To improve their superficial properties, they can be covered with a…”
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The tin stabilization effect on the microstructure, corrosion and wear resistance of electroless NiB coatings by Bonin, L., Vitry, V., Delaunois, F.

“…The effect of tin chloride on bath stabilization and properties of electroless Nickel-Boron (NiB) coatings was investigated. NiB coatings were synthesized by…”
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Corrosion behaviour of electroless high boron-mid phosphorous nickel duplex coatings in the as-plated and heat-treated states in NaCl, H2SO4, NaOH and Na2SO4 media by Bonin, L., Vitry, V., Delaunois, F.

“…The corrosion behaviour of electroless nickel–boron and nickel-phosphorous coatings, as monolayers and duplex systems was investigated with and without…”
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Replacement of Lead stabilizer in electroless Nickel-Boron baths: Synthesis and characterization of coatings from bismuth stabilized bath by Bonin, L., Vitry, V., Delaunois, F.

“…Only a few compounds have been completely characterized as stabilizers in alkaline electroless nickel‑boron plating and most of them have serious impact on…”
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