Dealloying amorphous fe-based
http://www.mat-rev.com/cldb/ch/reader/view_abstract.aspx?doi=10.11896/j.issn.1005-023X.2024.16.023 WebJul 2, 2024 · The first one is nanoporous metals produced by dealloying Ti-based amorphous alloys. Its process and surface analyses are briefly described. Moreover, Zr-based Zr–Ti gradient material as a biocompatible material is introduced and its microstructure and mechanical properties are summarized.
Dealloying amorphous fe-based
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WebJul 13, 2024 · Amorphous alloys, also known as metallic glasses, are solid metallic materials having long-range disordered atomic structures. Compared to crystalline alloys, amorphous alloys not only have metallic characters, but also possess several distinct properties associated to the amorphous structure, such as isotropy, composition … WebToday, the development of new self-supporting electrode materials with high porosity and excellent degradation properties is of great importance for the removal of dye pollutants. Herein, this work synthesized nanoporous nickel@nickel oxide (np-Ni@NiO) electrode containing an amorphous alloy in the middle interlayer. The nanoporous structure …
WebApr 1, 2024 · Nanoporosity (i.e. nanohole formation) is induced at the surface of Fe-based metallic glass matrix composites by selective chemical or electrochemical (at 1 V) etching of a Fe 65 Cu 10 Zr 10 B 15 ... WebMay 15, 2024 · The dye degradation reaction rate ( kobs) of the dealloyed Fe 73.5 Si 13.5 B 9 Cu 1 Nb 3 MGs presented 3 times higher than their as-spun MGs. More importantly, …
WebThe Ni diffusion from the amorphous Ni-based core to the iron oxide shell makes the NiOx-NiOx/FeOx core-mixed shell structure the most active and the most stable nanocatalyst, which outperforms ... WebApr 10, 2024 · Free-standing bimodal porous interpenetrating-phase FeNiZn and FeNi3 intermetallic heterostructure is in situ built on NiFe foam by dealloying way. FeNiZn/FeNi3@NiFe exhibits superior electrocatalytic activities toward both oxygen evolution reaction (OER) and hydrogen evolution reaction (HER) with very low …
WebJul 21, 2024 · Fe-based amorphous alloys have shown potential in azo dye wastewater treatment. ... This work reported a facile chemical dealloying approach to fabricate a void channels-like structured MG with ...
WebFeb 8, 2024 · A similar result has also been observed in the amorphous Fe 65 Cu 10 Zr 10 B 15 alloy, the contact angle of which decreased after chemical etching and electrochemical treatments, respectively, 30 due to the increasing surface roughness. 31 The reduction of the contact angle promoted the absorption of water during HER and is responsible for the ... tafe nsw health scholarshiptafe nsw hlt33115Web1 day ago · In addition, during the dealloying process of Ni-based metallic glass, other alloying elements (such as Zr, Ti) will be selectively removed from the MG precursor. ... Improved catalytic efficiency and stability by surface activation in Fe-based amorphous alloys for hydrogen evolution reaction in acidic electrolyte. Electrochim Acta, 390 (2024), p. tafe nsw hunterWebSep 27, 2024 · Transition metal amorphous alloys have been widely investigated as efficient electrocatalysts for water electrolysis. However, the low catalytic activity, high … tafe nsw horticulture coursesWebIn contrast, Sb@HCT electrode in KFSI exhibits excellent oxidation of K3Sb to form amorphous KxSb and then Sb, respectively. cycling stability, retaining a reversible capacity up to 453.4 mAh·g−1 With regards to CV curves collected from the KPF6-based electrolyte, after 80 cycles with a high capacity retention of 84.0% (against 2nd a broad ... tafe nsw ict service deskWebThe Young’s modulus of an amorphous alloy is as low as 75 GPa in a Zr-based amorphous alloy, much lower than that in a Ti alloy. These properties may reduce the … tafe nsw harvard referencing guideWebFeb 8, 2024 · Dealloying has been widely used to fabricate HER catalysts because the specific surface area is enlarged due to the formation of a nanoporous structure. Our … tafe nsw holidays 2023