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, 2020 · The corrosion current density decreased from 1.5 × 10 −5 to 2.43 × 10 −6 A/cm 2, and the hardness doubled from 4.3 to 9.2 GPa. The mechanisms for color-tunning, corrosion resistance, and hardness enhancement were discussed in detail.
Mar 20, 2022 · With the aim to enhance the corrosion resistance of AZ31 Mg alloy, a novel one-step plasma electrolytic oxidation (PEO) method is developed in this work. During the PEO treatment, Mg-Al layered double hydroxide (LDH) is also formed to produce a PEO/LDH composite coating.
Jan 7, 2021 · Axalta Alesta® ZeroZinc Axalta has developed a family of powder coating products dubbed Alesta® ZeroZinc that provide excellent corrosion resistance without the inclusion of zinc in the formulation.
Feb 1, 2022 · The electrochemical corrosion behavior of laser aided additive manufactured (LAAMed) CoCrNi medium entropy alloys (MEAs) with different oxide inclusion levels was investigated in 3.5 wt% NaCl solution. Different from the 316 L stainless steel, no pitting appeared on the LAAMed CoCrNi within the test regime used in this study.
May 15, 2018 · Abstract Localised Cr depletion caused by defects in Fe-based amorphous coatings, e.g. pores, oxides and crystalline phases, is thought to be the dominating reason for decreasing corrosion resistance in the coatings. An electrochemical polarisation treatment was used to selectively dissolve Cr-depleted zones in the coatings.
Feb 7, 2022 · The high angle annular dark-field scanning transmission electron microscopic (HAADF-STEM) images of the passive films prior to and after the immersion in sulfuric acid, clearly reveal that the
Nov 3, 2020 · Compound microbial inoculants increased the temperature of compost, accelerated water loss, nitrogen fixation, and increased the removal rate of β-lactamase resistance genes, the transposon gene tn916 and part of tetracycline resistance genes by 3.7–23.8% in compost.
Jan 27, 2021 · Potentiodynamic polarization measurements clearly showed that all the Zn-GO composite coatings exhibited higher corrosion resistance performance when compared to the pristine Zn coatings, and further, the corrosion rate decreased with the increase in the volume fraction of the GO in the composite coatings. Introduction
Mar 31, 2022 · I tested some of these devices: the $300 Vitamix FoodCycler FC-50, the $499 Pela Lomi, the $429 BeyondGreen Kitchen Waste Composter, and the $429 Reencle Prime. Composting Break Down Before you
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.
Apr 16, 2019 · Titanium (Ti) and its alloys as bio-implants have excellent biocompatibilities and osteogenic properties after modification of chemical composition and topography via various . The corrosion resistance of these modified materials is of great importance for changing oral system, while few researches have reported this point. Recently, oxidative corrosion induced by cellular metabolites
Jan 20, 2022 · Enhanced corrosion resistance of additively manufactured stainless steel by modification of feedstock V. B. Vukkum, J. Christudasjustus, A. A. Darwish, S. M. Storck & R. K. Gupta npj
Aug 1, 2020 · The best corrosion resistance of the coated samples was achieved at an electrochemical synthesis time of 30 min, with a positive shift in corrosion potential and a significant reduction in
The oxidation of aluminum machining chips retards the successful recycling through the conventional remelting route. A promising approach to overthrow this problem is the utilization of solid state recycling in converting aluminum machining chips directly into semifinished products to eliminate the cost of the remelting process and reduce CO2 emissions. Therefore, in recent work
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