The Study of the Mutual Influence of Anti-Wear and Extreme Pressure Additives on the Nature of Wear of a Metal Surface

Chumakov, D. A.; Stan’kovskii, L.; Dorogochinskaya, V. A.; Tonkonogov, B. P.

doi:10.1007/s10553-019-01013-9

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“…The metal-chlorinated film performs as a friction-reducing layer between the workpiece and cutting tool [10]. There is extensive literature that reported the importance and application of extreme pressure additives in the manufacturing process [11][12][13][14][15][16]. I. M. Petrushina et al [17] briefly studied the chemical interaction of EP-additive (dialkylpoly sulfides and chlorinated paraffin) on AISI 304 stainless steel surface during ironing.…”

Section: Introductionmentioning

confidence: 99%

Passivation Effect of the Chlorinated Paraffin Added in the Cutting Fluid on the Surface Corrosion Resistance of the Stainless Steel

et al. 2023

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Cutting fluids are the most effective method to lower the cutting temperature and decrease the cutting tool wear. At the same time, the cutting fluids influence the corrosion resistance property of the machined surface. In this study, chlorinated paraffin (CP), which is a common additive in the cutting fluid, was selected as the research objective to study its corrosion resistance property. The passivation effect of CP with different concentrations on the machined surface of stainless steel was studied. Electrochemical measurements and surface morphology investigation were used to characterize the passivation effect of CP with different concentrations. The test results showed that the corrosion resistance of stainless steel in the cutting fluid was enhanced with the increase in CP additive. This reason is that the charge transfer resistance increases and the corrosion current density decreases with the increase in CP additive. The X-ray photoelectron spectroscopy (XPS) results show that the proportion of metal oxides on the processed surface of the stainless steel sample was increased from 20.4% to 22.0%, 32.9%, 26.6%, and 31.1% after adding 1 mL, 2 mL, 4 mL and 6 mL CP in the cutting fluid with a total volume of 500 mL, respectively. The oxidation reaction between CP and the stainless steel sample resulted in an increase in metal oxides proportion, which prevented the stainless steel sample from corrosion in cutting fluid.

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