Investigation of the Effect of Additives on the Morphology of Cr-WC Nano Composite Coatings

Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_JEIR-1-1_006

تاریخ نمایه سازی: 7 آذر 1400

Abstract:

SDS and saccharin additives were used in the production of Cr-WC nano composite coatings. SDS is an anionic surfactant, and the purpose of adding it was to fertilize the surface of the particles and reduce their clumping. Saccharin was added to the solution in different amounts to reduce grain size and increase coating strength. Because large amounts of saccharin and surfactant increase the brittleness of the coating and reduce its ductility. Using the results of the effect of saccharin and SDS on the morphology of the coating, an attempt was made to design the electrolyte composition in such a way that the optimal amount of these two additives could be used for experiments. Nano composite coatings are difficult to prepare because, on the one hand, variable hydrodynamic conditions have a large effect on the amount and distribution of solid particles in the coating during electroplating, and on the other hand, nanoparticles are highly prone to clumping. Composite is the non-wetting and agglomeration of tungsten nano carbon particles during preparation of plating suspension solution. On the other hand, the ceramic-ceramic connection is a weak connection and with the slightest stress, the particles come out of their place and are placed between two surfaces and provide abrasion tools. If the nanoparticles of tungsten are evenly dispersed in the coating, the coating grows evenly and worm deposits from around the particles, holding the tungsten nanoparticles in the coating like an adhesive.

Authors

Masoud Amirikoshkeki

Centre for Sustainable Infrastructure, Department of Civil and Construction Engineering, Swinburne University of Technology, Melbourne, Australia

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