Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces
Mineral-fouling induced corrosion and deterioration of marine vessels, aircraft, and coastal structures is due in part from structural intrusion of crystals grown from ocean-generated saline drops. As such, much work has explored surface treatments that induce hydrophobicity or introduce barriers fo...
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| Format: | Article |
| Language: | English |
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American Chemical Society (ACS)
2021
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| Online Access: | https://hdl.handle.net/1721.1/129769 |
| _version_ | 1826202706994266112 |
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| author | McBride, Samantha Ann Dash, Susmita Varanasi, Kripa |
| author2 | Massachusetts Institute of Technology. Department of Mechanical Engineering |
| author_facet | Massachusetts Institute of Technology. Department of Mechanical Engineering McBride, Samantha Ann Dash, Susmita Varanasi, Kripa |
| author_sort | McBride, Samantha Ann |
| collection | MIT |
| description | Mineral-fouling induced corrosion and deterioration of marine vessels, aircraft, and coastal structures is due in part from structural intrusion of crystals grown from ocean-generated saline drops. As such, much work has explored surface treatments that induce hydrophobicity or introduce barriers for antifouling and corrosion prevention; however, the efficacy of these strategies will be altered by the underlying substrate texture. Here, we study the behavior of evaporating saline drops on superhydrophobic and liquid-impregnated surfaces as a function of surface texture. On superhydrophobic surfaces, four disparate regimes (which are not observed for particle-laden drops) emerge as a function of the substrate solid fraction: Cassie-pinning, Cassie-gliding, Cassie-Wenzel transition, and Wenzel. These regimes control the morphology of the resultant crystal deposits. In contrast to the superhydrophobic surfaces, spreading liquid-impregnated surfaces demonstrate minimal influence of solid fraction on evaporative crystallization. The area, area localization, timescale of evaporation, and deposit morphology are all normalized by the presence of the lubricating layer, thus introducing an efficient method of eliminating crystal "coffee rings" as well as reducing the potential for fouling and corrosion. |
| first_indexed | 2024-09-23T12:15:21Z |
| format | Article |
| id | mit-1721.1/129769 |
| institution | Massachusetts Institute of Technology |
| language | English |
| last_indexed | 2024-09-23T12:15:21Z |
| publishDate | 2021 |
| publisher | American Chemical Society (ACS) |
| record_format | dspace |
| spelling | mit-1721.1/1297692022-09-28T00:51:11Z Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces McBride, Samantha Ann Dash, Susmita Varanasi, Kripa Massachusetts Institute of Technology. Department of Mechanical Engineering Mineral-fouling induced corrosion and deterioration of marine vessels, aircraft, and coastal structures is due in part from structural intrusion of crystals grown from ocean-generated saline drops. As such, much work has explored surface treatments that induce hydrophobicity or introduce barriers for antifouling and corrosion prevention; however, the efficacy of these strategies will be altered by the underlying substrate texture. Here, we study the behavior of evaporating saline drops on superhydrophobic and liquid-impregnated surfaces as a function of surface texture. On superhydrophobic surfaces, four disparate regimes (which are not observed for particle-laden drops) emerge as a function of the substrate solid fraction: Cassie-pinning, Cassie-gliding, Cassie-Wenzel transition, and Wenzel. These regimes control the morphology of the resultant crystal deposits. In contrast to the superhydrophobic surfaces, spreading liquid-impregnated surfaces demonstrate minimal influence of solid fraction on evaporative crystallization. The area, area localization, timescale of evaporation, and deposit morphology are all normalized by the presence of the lubricating layer, thus introducing an efficient method of eliminating crystal "coffee rings" as well as reducing the potential for fouling and corrosion. National Science Foundation (Grant 1122374) 2021-02-16T18:26:11Z 2021-02-16T18:26:11Z 2018-04 2018-03 2019-09-20T11:07:45Z Article http://purl.org/eprint/type/JournalArticle 0743-7463 1520-5827 https://hdl.handle.net/1721.1/129769 McBride, Samantha A. et al. "Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces." Langmuir 34, 41 (April 2018): 12350–12358. © 2018 American Chemical Society en http://dx.doi.org/10.1021/acs.langmuir.8b00049 Langmuir Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. application/pdf American Chemical Society (ACS) Other repository |
| spellingShingle | McBride, Samantha Ann Dash, Susmita Varanasi, Kripa Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces |
| title | Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces |
| title_full | Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces |
| title_fullStr | Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces |
| title_full_unstemmed | Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces |
| title_short | Evaporative Crystallization in Drops on Superhydrophobic and Liquid-Impregnated Surfaces |
| title_sort | evaporative crystallization in drops on superhydrophobic and liquid impregnated surfaces |
| url | https://hdl.handle.net/1721.1/129769 |
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