Developing Mg-Gd-Dy-Ag-Zn-Zr Alloy with High Strength via Nano-Precipitation

Xie, Jinshu; Zhang, Jinghuai; Liu, Shujuan; You, Zihao; Zhang, Zhi; Zhao, Tiejun; Zhang, Xiaobo; Wu, Ruizhi

doi:10.3390/nano13071219

Cited by 5 publications

(3 citation statements)

References 34 publications

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“…Accordingly, prior research has suggested that introducing nanodeposit networks into fine structures is an effective strategy for developing high-strength Mg alloys. In this research, high-strength Mg alloys, high hardness, etc., can be realized [28]. Another previous study investigated plant-derived exosome-like nanoparticles (PDENs) that consist of a variety of bioactive biomolecules.…”

Section: Nanoparticlesmentioning

confidence: 99%

Characteristics and Applicability Analysis of Nanomorphological Structures for Chemosensors: A Systematic Review

Han

2023

Chemosensors

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The necessity for complex functionality materials is increasing due to the emergence of high-tech technologies and the deepening needs of B-to-B companies in the industry. Study on advanced multifunctional materials is also increasing due to interest in fields such as the the Internet of Things (IOT), Fourth Industrial Revolution, and artificial intelligence (AI). Nanomaterials have the advantage of having a large surface area, making it easier to express more efficient properties, and they have been widely applied recently in various fields. When designing new materials for specific applications, it is often important to control the shape, size distribution, surface properties, dispersion, and agglomeration stability of synthetic nanoparticles, as well as the elemental and nanocrystalline compositions of the materials. Nanomaterials have infinite potential, but there are not many cases of collection and structural classification. Therefore, I attempted to conduct an in-depth systematic review by categorizing nanomaterials into nanoparticles, nanoplates, nanowires, and nanorolls according to their nanostructures. Additionally, the representative materials of nanowires include CuNW (copper nanowire), AgNW (silver nanowire), and GaAsP single nanowire. Moreover, nanoroll-type materials include SWCNTs (single-walled carbon nanotubes), DWCNTs (double-walled carbon nanotubes), and MWCNTs (multi-walled carbon nanotubes). In conclusion, this study, through a systematic review, is intended to provide a cornerstone for application plans when designing cutting-edge chemosensors.

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Section: Nanoparticlesmentioning

confidence: 99%

Characteristics and Applicability Analysis of Nanomorphological Structures for Chemosensors: A Systematic Review

Han

2023

Chemosensors

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“…This requires a layer of organic coating on the surface to prevent corrosion and improve its utilization. However, considering that it is not easy to dispose of the coating after the application or recycling of magnesium alloys, it is necessary to consider more environmentally friendly, highly efficient and long-lasting corrosion-resistant coatings [20][21][22][23][24]. In this context, coatings with self-repairing abilities and added microcapsules have emerged.…”

Section: Introductionmentioning

confidence: 99%

Research on the Corrosion Resistance of an Epoxy Resin-Based Self-Healing Propylene Glycol-Loaded Ethyl Cellulose Microcapsule Coating

Zhang,

Liu,

et al. 2023

Coatings

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In this work, ethyl cellulose was used as a wall material, propanetriol as a core material, polyvinyl alcohol as a stabilizer and gelatin as an emulsifier. Self-healing microcapsules with a slow-release effect were prepared using the solvent evaporation method. Various analytical techniques, such as 3D confocal microscopy (LCSM), optical microscopy (OM), scanning electron microscopy (SEM), infrared spectroscopy (FT-IR), energy dispersive spectroscopy (EDS), thermal weight loss analysis (TGA), laser particle size tester and electrochemical impedance polarization, are utilized. The morphology, distribution, particle size, corrosion resistance and self-healing ability of the prepared microcapsules and resin-based coatings were characterized and analyzed. The results show that the cross-sectional core–shell structure is clearly seen in the LCSM, showing a smooth, hollow, spherical shape. OM and laser particle size testers have shown that the size of the microcapsules decreases over time. Also, in OM, the microcapsules are uniformly distributed in the emulsion with a smooth and non-adherent surface. In SEM, the microcapsule particle size is about 150 μm, the shell wall thickness is about 18 μm, and the hollow structure of ruptured microcapsules is obvious. FT-IR and TGA confirmed the successful encapsulation of the formulated microcapsules. The results show that when the core-wall mass ratio is 1.2:1 and the amount of microcapsule is 10% of the coating amount, the prepared microcapsule has high thermal stability and certain wear resistance. By electrochemical and immersion experiments, it was found that a 3.5 wt % NaCl solution has the best impedance, the lowest corrosion current density, and good adhesion and tensile toughness. The results showed that glycerol was successfully released from the broken microcapsules and self-healed, forming an anticorrosive coating with excellent corrosion resistance and self-healing ability.

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“…In recent years, nanoparticles have attracted extensive attention in the fields of material chemistry, biopharmaceuticals and environmental science because of their remarkable advantages in biocompatibility and environmental friendliness [16][17][18][19]. Especially, nano-SiO 2 , nano-TiO 2 , nano-ZnO and nano-ZrO 2 have been applied to the corrosion and protection technology of alloy surfaces [20][21][22][23]. This is because the nanoparticles can play a very good role in the process of coating preparation and significantly improve the microstructure of the coating [24,25].…”

Section: Introductionmentioning

confidence: 99%

A Nano-CeO2/Zn–Mn Composite Conversion Coatings on AZ91D Magnesium Alloy Surface of Corrosion Resistance Research

Zhang

Liu

et al. 2023

Coatings

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The modified nano-CeO2/Zn–Mn phosphate composite coating was deposited on AZ91D magnesium alloy by chemical conversion to enhance its densification and corrosion resistance. The growth mechanism and corrosion resistance of the composite coating is clarified by adding different concentrations of ZnO and a certain amount of nano-CeO2 into the phosphate-plating solution. XRD and EDS show that the composite membrane is mainly composed of MgO, Mg(OH)2, Mn3(PO4)2·5H20, Zn, Zn3(PO4)2·4H2O and CeO2. Among them, AZ91D magnesium alloy matrix presents dispersed granule, clustered and petal-shaped under the action of different concentrations of ZnO. Under the optimum ZnO concentration, after adding nano-CeO2, dense grains appear, and cracks and pores in the riverbed are obviously reduced. Compared with single-layer phosphate coating, the performance of composite coating is significantly improved. The results show that the obvious double-layer structure is observed by SEM, and the thickness of the coating is about 48 μm. The LCSM shows that the surface roughness of composite coating is moderate. EIS shows that when the fitting impedance is 8050.43 Ω and PH = 3, the dropping time of copper sulfate in the composite coating is 58.6 s, which is better than that in the single-layer coating. The Tafel polarization fitting curve shows that the corrosion current density of the composite coating is obviously lower than that of the single coating, the corrosion current density is decreased from 1.86 × 10−6 A/cm2 to 9.538 × 10−7 A/cm2, and the corrosion resistance is obviously improved.

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Developing Mg-Gd-Dy-Ag-Zn-Zr Alloy with High Strength via Nano-Precipitation

Cited by 5 publications

References 34 publications

Characteristics and Applicability Analysis of Nanomorphological Structures for Chemosensors: A Systematic Review

Characteristics and Applicability Analysis of Nanomorphological Structures for Chemosensors: A Systematic Review

Research on the Corrosion Resistance of an Epoxy Resin-Based Self-Healing Propylene Glycol-Loaded Ethyl Cellulose Microcapsule Coating

A Nano-CeO2/Zn–Mn Composite Conversion Coatings on AZ91D Magnesium Alloy Surface of Corrosion Resistance Research

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