Study of anti-corrosion and adsorption properties of novel synthetic cutting fluids for the glass container industry

• D.A. Ponomarev^1,2, A.D. Solovyova¹, M.P. Krasnovskikh^1,2, M.G. Shcherban¹, I.G. Mokrushin^1,3 and A.B. Shein¹

¹ Perm State National Research University, Bukireva street 15, 614068 Perm, Russian Federation
² OOO “NPP Sintez”, Perm, Voronezhskaya street, 58, 614034, Russian Federation
³ Russian Research Center Applied Chemistry (GIPH) JSC, 26А, Krylenko Street, 193232 St. Petersburg, Russian Federation

Abstract: In present paper development of a synthetic cutting fluid for glass forming machines has been described. The cutting fluid is designed for lubricating and cooling of the drop feeder shear blades. An experimental sample composition is based on a commercial lubricant and additives, commercially available in Russia. During the research, a number of prototypes have been obtained. The sample with the maximum anti-corrosion effect to the R6M5 high-speed steel has been selected. For both the selected prototype and commercial lubricant, adsorption and anti-corrosion behavior has been studied. Anti-corrosion tests have been carried out in a circulating corrosive medium. Electrochemical properties have been studied by the polarization curves method. Isotherm of the adsorption of the lubricant on the R6M5 steel surface has been calculated using surface tension and wetting angle data. In both cases an anodic mechanism of corrosion inhibition has been established, the experimental cutting fluid being more efficient than the commercial one in terms of anti-corrosion effect in distilled and tap water. At dilutions above 1:1000, the experimental cutting fluid is characterized by higher adsorption values on the steel surface compared to the prototype. Tests of the new cutting fluid at a glass container plant showed that it can be used at the same dilution as the commercial cutting fluid – 1:1000. Thus, the lubricity of the experimental sample is comparable to that of the commercial product, which can be explained by the similar adsorption values of both cutting fluids on the shear blade surface at working dilution.

Int. J. Corros. Scale Inhib., 2024, 13, no. 3, 1423-1436
doi: 10.17675/2305-6894-2024-13-3-4

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