Jun 1, 2020 · Compared with pure EP coating, the maximum enhancement of corrosion resistance was achieved by the addition of 2 wt.% g-C3N4 in EP coating, with an increase of electrochemical impedance by two
Nov 1, 2022 · As grain size decreases, the corrosion rate decreases, namely that the corrosion resistance improves. Such phenomena were also reported in other Refs. [7, 34]. More importantly, Ralston et al. further suggested a mathematical formulation to describe the relationship between grain size and corrosion resistance of materials [33]: I corr = A + B d
Sep 1, 2011 · ML is a subset of artificial intelligence (AI) that enables computer programs to Several studies have been carried out to identify how SPD approaches like ECAP affect the way Mg alloys corrode,...
Jul 15, 2022 · Finally, it would be helpful to discuss the mechanism of enhanced CMAS corrosion resistance for (4RE 0.25) 2 Si 2 O 7 based the strategy of synergistic effect of multi RE principal component. It has been noted that various rare earth species demonstrated different behaviors that are involved in the RE 2 Si 2 O 7 dissolution and apatite phase
Jan 7, 2021 · These epoxy-based products are capable of delivering corrosion protection up to C5-I according to ISO 12944-6 standard, and because they have a much lower specific gravity than zinc rich primers, offer higher coverage per pound and reduced wear of powder application components (i.e., venturis and gun electrodes).
Feb 25, 2019 · The evaluation of the electrochemical behavior of specimens using potentiodynamic polarization test revealed that the polarization resistance of the samples increased from 9.26 to 683.2 kΩ·cm2 by adding 4.5 g·L −1 ZnO NPs.
Mar 15, 2021 · The mechanism behind the enhanced corrosion resistance in nanophase modified fly ash based cementitious coatings is explained in a schematic shown in Fig. 13. It is well known that the barrier property of polymer based coatings is compromised due to the presence of micro and nano-pores allowing percolation of corrosive ions [68]. Thus in the
Oct 31, 2022 · Multifunctional super-repellent composite coatings play an important part in academic and industrial fields, while it is still a great challenge to effectively integrate a variety of functions into one material. Mg alloys having low density, high strength-to-weight ratio, and good shielding, are widely used in electronic devices, while it is susceptible to sever corrosion especially in moist
Aug 29, 2022 · The improved corrosion resistance of the MS/Zn/OA sample could be attributed to its special two-layer structure as discussed below. The corrosion resistance of MS/Zn/OA was the best among the tested samples as confirmed by SEM observations. Figure 7a–c shows the surface morphologies of MS, MS/Zn, and MS/Zn/OA after immersion for 3 days. The
Feb 1, 2023 · The amorphous AlTiCrFeMoSi high entropy alloy (HEA) coating with high hardness (11.88 GPa) is successfully deposited on T91 substrate by the magnetron sputtering method. Both T91 steel and as−deposited AlTiCrFeMoSi coating samples are exposed to a static liquid lead−bismuth eutectic (LBE) at 550 °C for up to 2000 h. The coating exhibits excellent corrosion resistance against lead−
The development of acid-resistant and efficient corrosion inhibitors is of great significance for metal protection in many industrial processes. In this work, eight cases of sandwich-type polyoxometalate (POM)-based inorganic–organic hybrids, namely, carboxyethyltin and transition metal (TM) cofunctionalized tungstoantimonates and tungstobismuthates, formulated as NaxK10–x[(SnR)2(TM(H2O)3
Jan 10, 2022 · The evaluation of electrochemical parameters like open circuit potential, corrosion current, and polarization resistance showed that the addition of nano-ZrO2 significantly enhanced the corrosion
Alloy C-276 is used in various applications where enhanced corrosion resistance is required. The alloy has the following composition by weight of the major components: 54.6% Ni, 16.2% Cr, 15.3% Mo, and 5.8% Fe.
Apr 16, 2019 · Oral environment is a changing system and dental materials are prone to corrosion due to various factors, including body fluids (blood, plasma, amino acids and proteins), electrochemical activities of the implants (cathodic or anodic) and its interaction with bacteria, biological molecules and cells [ 7, 8, 9 ].
Feb 7, 2022 · . However, the passive film on the stainless steel is not pure Cr. Accordingly, developing novel strategies to mitigate the reductive dissolution of the iron oxide component in the passive film of