Novel Eco-friendly Slurries for Chemical Mechanical Polishing of GCr15 Bearing Steel

Liu, Jinwei; Pan, Hao; Jiang, Liang; Qian, Linmao

doi:10.1007/s11249-022-01608-0

Cited by 4 publications

(1 citation statement)

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“…With the improvement of hardware and software, recently, quantum chemical methods like functional density theory (DFT)" has been used as fast and powerful tool to predict and understand corrosion inhibition performances of inhibitors [38]. Although there is an extensive literature on the corrosion properties of benzotriazole on steel and copper [39,40], a protective coating is created by utilizing a tiny inhibitor dose to delay the corrosion reaction [41][42][43].…”

Section: Introductionmentioning

confidence: 99%

Electrochemical and theoretical evaluations of 3-(4-chlorophenyl)-7-methyl-5H-[1, 2, 4] triazolo [3,4-b][1,3,4]thiadiazin-6(7H)-one as corrosion inhibitor for copper in nitric acid environment

Fouda,

El-Hallag,

El-Barbary

et al. 2024

Zas Mat

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3-(4-chlorophenyl)-7-methyl-5H-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazin-6(7H)-one (CTT) was synthesized and evaluated as corrosion inhibitor for copper in one molar HNO3. The adsorption properties for the synthesized CTT were determined by experimental and theoretical methods in acid environment. The chemical method such as mass loss method (ML), DC potentiodynamic polarization (PDP) and AC impedance (EIS) techniques were utilized to determine the inhibitive behavior of CTT. Outcome data obtained from these methods displayed that with increasing the concentration of CTT its inhibition efficiencies (%IE) increases and reached 91.5% at 24x10-6 M , 25oC using EIS technique. The presence of CTT reduces the capacity of the double layer (Cdl) and improves the charge transfer resistance (Rct) in a solution of one molar nitric acid. CTT is a mixed-type inhibitor from the data obtained from the polarization curves. The attained data indicated that CTT was physically adsorbed onto the Cu surface in accordance for the Langmuir adsorption. The surface protection examination was carried out using scanning electron microscopy (SEM), Energy Dispersive X-ray (EDX) and atomic force microscope (AFM). Also, The quantum chemical parameters of CTT were computed and discussed. The results of several methods are in agreement with each other.

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