Advancements in Surface Engineering for Metallic Alloys

A special issue of Surfaces (ISSN 2571-9637).

Deadline for manuscript submissions: closed (31 October 2024) | Viewed by 1333

Special Issue Editors


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Guest Editor
Department of Manufacturing and Materials Engineering, University of Campinas-UNICAMP, Campinas 13083-860, Brazil
Interests: solidification; alloys; microstructure; laser

E-Mail Website
Guest Editor
Department of Manufacturing and Materials Engineering, University of Campinas, UNICAMP, Campinas 13083-860, Brazil
Interests: solidification; alloys; microstructure; corrosion

Special Issue Information

Dear Colleagues,

Our main motivation for developing this Special Issue is the rapid evolution that surface engineering is currently experiencing, continuously expanding its field of technological applications. Such remarkable progress inevitably unlocks novel possibilities for achieving enhanced surface properties, precisely tailored to meet the rigorous requirements of advanced components. This advancement is particularly evident in metallic coatings, whether they consist of ferrous or non-ferrous alloys. The functional purposes encompass, but are not limited to, the improvement of corrosion resistance, enhancing wear behavior, and extending component service life.

Dr. Noé Cheung
Dr. André Barros
Guest Editors

Manuscript Submission Information

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Keywords

  • coating
  • laser
  • thermal surface treatment
  • alloys
  • corrosion
  • wear

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Published Papers (1 paper)

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Research

9 pages, 2757 KiB  
Article
Enhancing Water Condensation on Hybrid Surfaces by Optimizing Wettability Contrast
by Do-Thuy Chi and Thanh-Binh Nguyen
Surfaces 2024, 7(3), 508-516; https://doi.org/10.3390/surfaces7030033 - 24 Jul 2024
Viewed by 653
Abstract
This study uses a hybrid concept to propose an optimal textured surface morphology for enhancing water condensation. The natural phenomenon-inspired morphology, which combined different degrees of wettability presented on the surface, documented their advantage in water harvesting compared to untreated surfaces. These superiorities [...] Read more.
This study uses a hybrid concept to propose an optimal textured surface morphology for enhancing water condensation. The natural phenomenon-inspired morphology, which combined different degrees of wettability presented on the surface, documented their advantage in water harvesting compared to untreated surfaces. These superiorities might be explained by the appropriate combination of nucleation and water-driven ability facilitated by the superhydrophobic surrounding area. The uniform condensed droplets are effectively agglomerated to achieve the critical size. The best combination was found on a superhydrophobic-hydrophilic hybrid sample that improved water collection efficiency by up to 50% compared to bare Al. Condensation performance also illustrated an interesting tendency that revealed the great contribution of wettability on hydrophilic dots and the water-driven ability of the high-hydrophobicity area. The results were supported by a theoretical model which predicts the critical volume of a single droplet before it has departed from the surface. The findings reveal a good level of agreement between theory and real-time measurement, demonstrating the potential of combinations of hybrid samples to induce water collection efficiency. Full article
(This article belongs to the Special Issue Advancements in Surface Engineering for Metallic Alloys)
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