Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/94234
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Mechanical Engineering | en_US |
dc.creator | Li, J | en_US |
dc.creator | Hu, S | en_US |
dc.creator | Li, Y | en_US |
dc.creator | Shi, SQ | en_US |
dc.date.accessioned | 2022-08-11T01:09:29Z | - |
dc.date.available | 2022-08-11T01:09:29Z | - |
dc.identifier.uri | http://hdl.handle.net/10397/94234 | - |
dc.language.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | © 2021 Elsevier Inc. All rights reserved. | en_US |
dc.rights | © 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. | en_US |
dc.rights | The following publication Li, J., et al. (2021). "Evolution mechanisms and kinetics of porous structures during chemical dealloying of binary alloys." Microporous and Mesoporous Materials 320: 111092 is available at https://dx.doi.org/10.1016/j.micromeso.2021.111092. | en_US |
dc.subject | Chemical dealloying | en_US |
dc.subject | Multi-phase-field model | en_US |
dc.subject | Nanoporous | en_US |
dc.title | Evolution mechanisms and kinetics of porous structures during chemical dealloying of binary alloys | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.volume | 320 | en_US |
dc.identifier.doi | 10.1016/j.micromeso.2021.111092 | en_US |
dcterms.abstract | Chemical dealloying beckons researchers both for scientific interest in corrosion failure of metallic materials and for the fabrication of nanoporous materials that have versatile applications due to their ultra-high surface area. Empirically, nanoporous structure evolves by the corrosion of less noble elements coupled with the rearrangement of more noble elements in the alloys. However, how topologically complex porous structures form and how environmental and material factors affect the dealloying kinetics are still unknown. This work develops a multi-phase-field model to demonstrate that a nucleation-growth mechanism can explain the formation of nanoporous structures under chemical attack. The evolution of nanoporous patterns from a binary alloy is examined as a function of the chemical content of the electrolyte, precursor alloy composition, dimensionality, and bulk and surface diffusion coefficients, which is validated with experimental observations. Two-phase composite dealloying and the effect of defect pre-existed in the precursor are also presented. The comprehensive model developed in this study provides a powerful tool to tailor made nanoporous metallic structures under chemical dealloying. | en_US |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Microporous and mesoporous materials, June 2021, v. 320, 111092 | en_US |
dcterms.isPartOf | Microporous and mesoporous materials | en_US |
dcterms.issued | 2021-06 | - |
dc.identifier.scopus | 2-s2.0-85104110640 | - |
dc.identifier.eissn | 1387-1811 | en_US |
dc.identifier.artn | 111092 | en_US |
dc.description.validate | 202208 bchy | en_US |
dc.description.oa | Accepted Manuscript | en_US |
dc.identifier.FolderNumber | ME-0061 | - |
dc.description.fundingSource | RGC | en_US |
dc.description.pubStatus | Published | en_US |
dc.identifier.OPUS | 48675862 | - |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Li_Evolution_Mechanisms_And.pdf | Pre-Published version | 2.53 MB | Adobe PDF | View/Open |
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