Jan 20, 2022 · The strategy of feedstock modification can enhance the corrosion resistance, compensating the deleterious influence of the processing defects and microstructural heterogeneities, and the need for
Jan 20, 2022 · The strategy of feedstock modification can enhance the corrosion resistance, compensating the deleterious influence of the processing defects and microstructural heterogeneities, and the need for
Feb 15, 2021 · Ensuring engineering integrity while reducing the cost is the eternal topic for all industries such as oil and gas, geothermal, and nuclear. The research and development of corrosion-resistant
Mar 24, 2021 · The steel with a low carbon content of 0.85% showed the consistent crack initiation lifetime at a wide loading condition and better ratcheting resistance to damage compared to that with a carbon content of 1%, thus presenting high wear and fatigue resistance.
Mar 15, 2024 · Fig. 7 a–b exhibit the circuit graphics of the A36 carbon steel electrode and the superhydrophobic coating in the sodium chloride solution, where Rs represents the solution resistance, R coat is the coating resistance, R ct is the charge transfer resistance, C dl is the constant phase angle element correlating with double-layer capacitance
May 1, 2023 · The value of R ct is positively correlated with the corrosion resistance, an increasing R ct value induced a more difficult charge transfer and an excellent corrosion resistance [54]. On the basis of the above results, the corrosion resistance of the cladded coating could be improved by heat treatment but require an opportune annealing temperature.
Feb 1, 2024 · 2.3. Weight loss method. Weight values of carbon steel sample prior and after immersing in 1 mol/L HCl solution for 3 h with and without corrosion inhibitor were weighed using the analytic balance with the accuracy of 0.1 mg.
Mar 4, 2022 · Furthermore, the introduction of Ti enhanced corrosion resistance via increasing the charge transfer resistance of a passivated film. Those characteristics of FeCoNiCuTi x HEAs made these materials a practical gigahertz-range EMW absorber. Additionally, our findings provided a facile and tunable strategy for designing EMW absorbing materials
Dec 17, 2018 · The high wear resistance of NAB could be ascribed to the reduction of the local stress around crack due to the high elastic modulus mismatch (ENiAl/ECu), and to the crack extension toughening
Feb 21, 2022 · The chemical resistance test is depicted schematically in Fig. 2 b. To assess corrosion resistance over time, the uncoated and CPFNIC coated rebars were exposed to natural environmental conditions for 90 days in the open atmosphere using an exposure panel made up of a wooden frame. The atmospheric exposure test is depicted schematically in Fig
Aug 1, 2022 · The mechanism of the corrosion resistance enhancement effect on FeCrAl alloy by water-assisted laser modification depends on three major effects during the laser processing: oxide film formation, grain-refining, and elimination of holes and scratches. A schematic diagram of the laser-modification process is shown in Fig. 14.
Nov 10, 2018 · The polarization resistance values were used to calculate the inhibition efficiency (η %) via the expression [60]: (1) η (%) = 1-R p 0 R p i × 100 where R p o is the polarization resistance of steel reinforcement (in Ω.cm 2) in the absence of EG/AgNPs and R p i is the polarization resistance of steel reinforcement (in Ω.cm 2) in the
Jan 1, 2023 · The change in contact resistance is shown in Fig. 2 (c) and 2(d). The contact resistance of dry friction reached 350 mΩ, and that of water lubrication was as low as 100 mΩ, but it was not stable. After adding the IL-16 ionic liquid additive, the contact resistance dropped significantly to 37.7 mΩ and stabilized.
Jan 9, 2024 · The presence of WC particles enhances the hardness and wear resistance of the coating, while compounds like Cr 5 B 3, Cr 7 C 3, and Cr 23 C 6 may contribute to improved corrosion resistance. Additionally, compounds like Co 4 W 2 C and Ni 2 W 4 C may also play crucial roles in the coating's performance.
Aug 8, 2019 · Polyetheramine (D230), an epoxy curing agent, was grafted on graphene oxide (GO) surfaces, which can be stably dispersed in a waterborne curing agent for more than 8 months. Waterborne epoxy coatings reinforced by D230-functionalized GO (DGO) were prepared on carbon steel surfaces. According to the electrochemical impedance spectra, the impedance modulus at 0.1 Hz remained at 2.2 × 109 Ω
Dec 1, 2022 · It is known that the corrosion resistance depends on alloying element, processing method, microstructure and so on. The pitting resistance and passivation ability of CoCrFeMnNi HEA improved with increasing addition of chromium content, which was related to the enrichment of chromium in passive film [7], [8], [9].