Liquid Surface Treatment
Liquid Surface Treatment - Related Videos
09:20
A Method to Manipulate Surface Tension of a Liquid Metal via Surface Oxidation and Reduction
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Cited by 12 •
2016
We present a method to control the interfacial energy of a liquid metal in an electrolyte via electrochemical deposition (or removal) of a surface oxide layer. This simple method can control the capillary behavior of gallium-based liquid metals by tuning the interfacial energy rapidly, significantly, and reversibly using modest voltages.
08:34
Visualization of High Speed Liquid Jet Impaction on a Moving Surface
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Cited by 4 •
2015
Two experimental devices for examining liquid jet impingement on a high-speed moving surface are described: an air cannon device and a spinning disk device. The apparatuses are used to determine optimal approaches to the application of liquid friction modifier (LFM) onto rail tracks for top-of-rail friction control.
06:39
Tools for Surface Treatment of Silicon Planar Intracortical Microelectrodes
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Cited by 3 •
2022
The present protocol describes tools for handling silicon planar intracortical microelectrodes during treatments for surface modification via gas deposition and aqueous solution reactions. The assembly of the components used to handle the devices throughout the procedure is explained in detail.
08:49
Vegetated Treatment Systems for Removing Contaminants Associated with Surface Water Toxicity in Agriculture and Urban Runoff
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Cited by 4 •
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This article summarizes the design attributes and the effectiveness of treatment systems that treat urban stormwater and agriculture irrigation runoff to remove pesticides and other contaminants associated with aquatic toxicity.
09:21
Efficiency of Liquid-liquid Extraction
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2023
Source: Kerry M. Dooley and Michael G. Benton, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA Liquid-liquid extraction (LLE) is a separation technique used instead of distillation when either: (a) the relative volatilities of the compounds to be separated are very similar; (b) one or more of the mixture components are temperature sensitive even near ambient conditions; (c) the distillation would require a very low pressure or a very high distillate/feed...
FAQs
Dissolved reactive species act at the surface during controlled contact, producing effects such as removal of contaminants, etching, conversion-layer formation, or deposition. These reactions alter surface characteristics while limiting changes to the bulk material. The resulting interface can support improved adhesion, wettability, corrosion resistance, wear performance, or coating durability, depending on the treatment chemistry and operating conditions.
These variables control how strongly and how long the formulation interacts with the material. Concentration influences the availability of reactive species, temperature affects the treatment conditions, and exposure time determines the duration of contact. Together, they help govern the extent of cleaning, etching, conversion, or deposition, making process control essential for achieving a consistent surface function.
Liquid surface treatment focuses chemical action at the interface rather than substantially altering the material throughout its volume. This localized approach can add functions such as better wettability, adhesion, corrosion resistance, or wear performance while preserving the underlying bulk material. For engineering design, that distinction allows a surface to be tailored for service conditions without replacing the entire component.
Cleaning can remove unwanted surface material, while etching can modify the surface through controlled chemical interaction. Conversion-layer formation creates a chemically altered surface, and deposition adds material at the interface. These mechanisms can improve the conditions for subsequent coating or bonding by changing surface cleanliness, reactivity, or wettability. The appropriate mechanism depends on the required surface function and material.
Common application approaches include immersion, spraying, and other forms of controlled liquid contact. A procedure must coordinate the selected formulation with variables such as concentration, temperature, and exposure time. After treatment, the important outcome is a surface with the intended preparation or functional property, such as improved adhesion, wettability, corrosion resistance, wear performance, or coating durability.
Selection depends on both the material and the required surface performance. Metals, polymers, and other materials may require different liquid formulations or treatment conditions. Engineers can target cleaning, modification, protection, or preparation, then control the process to obtain properties such as corrosion resistance, improved adhesion, wettability, wear performance, or durable coating behavior without substantially changing the bulk.
The approach supports manufacturing, repair, and surface preparation. In manufacturing, controlled chemistry can establish a functional interface before or during finishing operations. In repair, it can restore or modify surface performance, while preparation steps can improve the behavior of later coatings. Its relevance extends across components made from metals, polymers, and other materials where surface properties govern service performance.