Influence of rheology and activation energy on the structure of protective coatings formed from CMC suspensions with Al powder

Antonova, N. M.

doi:10.1016/j.matpr.2020.08.158

Cited by 2 publications

(2 citation statements)

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“…For films based on carboxymethylcellulose/polyacrylamide reinforced with lithium titanate nanoparticles, the tensile strength increased from 0.73 MPa to 1.14 MPa [7]. Protective coatings based on carboxymethyl cellulose exhibit good resistance to static aggressive environments -concentrated acids and alkalis [8]. The results of the above studies indicate the possibility of creating functional materials based on a detailed study of their properties.…”

Section: Introductionmentioning

confidence: 79%

“…When filling the polymer matrix with metal powder, it increases to 1 point due to the filling of the substrate unevenness with microparticles of chromium powder. Works [8,10] show that agglomerates from the fine fraction of the filler powder are localized in microroughnesses of the metal surface relief. This helps to increase the adhesion strength of coatings to a steel surface due to the mechanical interactions of particles with the surface and the resulting van der Waals forces [10].…”

Section: Resultsmentioning

confidence: 99%

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Optimization of conditions for the formation of functional coatings based on carboxymethylcellulose with chromium

Antonova,

Khokhlova

2024

ITM Web Conf.

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The possibility of increasing the strength and improving the functional properties of coatings based on biopolymers by adding metal powders is considered. An approach has been proposed that makes it possible to form composites based on carboxymethylcellulose with specified mechanical properties. The procedure for adjusting the process of formation and increasing the strength of a protective coating based on carboxymethylcellulose with chromium powder is shown. For the numerical calculation of the composition and temperature conditions for the manufacture of composite materials, a software module developed in the Microsoft Visual Studio environment was used. The calculation makes it possible to determine the combination of components of the coating composition that provides the highest mechanical strength for a given value of the relative deformation of the biocomposite. An example of calculation is given for a protective coating based on carboxymethylcellulose with chromium powder. The calculation results were confirmed experimentally. Using the proposed approach makes it possible to increase the mechanical strength of coatings by 40% and improve the adhesive strength to 1 point.

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Section: Introductionmentioning

confidence: 79%