Investigation of mechanical surface coatings by nickel, copper and silica nanoparticles on internal walls of low diameter pipes

Document Type : Research Article

AMNC.2017.5.18.1

Abstract

One of the big challenge in the oil, gas, petrochemical industries is equipment wearing. Tackling this process ,a new coating process using mechanical milling, have been proposed.This study has been done in a method of mechanical alloying in order to build a coating using copper , nickle powders and silica nonoparticles, on the steel plat form , at theroom , tempeerature and under the enviranment space with the use of grinder bullets for different periods of time (1,3,5,10,20 and 30 hours) for the samples of series 1 (30%containing  copper) and samples of series 2 (30% containing nickle).The mutual diffusion of the elements during milling which led to the formation of a Ni–Cu solid solution and the creation of Ni–Cu coating on the surface of samples was studied.Micro-structural characterization of the coating surface using optical microscope, electron rubshi microscope (FESEM), spectroscopy of X.ray with the scattered energy and analysing the roughness and abrasion of the surface were studied. ,the thickness of coating layer is formed on the series 1(30%copper) is more than series 2(30%nickel)and at the long time periods of milling X-ray diffraction (XRD) results revealed the formation of nanocrystalline solid solutions.

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References

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