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Journal articles on the topic 'Owens-Wendt model'

Author: Grafiati

Published: 4 June 2025

Last updated: 15 July 2025

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1

MYRONYUK, Oleksiy, Denys BAKLAN, and Andrii NOVOSELTSEV. "EVALUATION OF THE SURFACE ENERGY OF SOLIDS USING TWO-COMPONENT MIXTURES OF TEST LIQUIDS." HERALD OF KHMELNYTSKYI NATIONAL UNIVERSITY 297, no. 3 (2021): 81–86. http://dx.doi.org/10.31891/2307-5732-2021-297-3-81-86.

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The design processes of composite materials require considering the surface energy of the phases. The choice of a series of test fluids to determine surface energy in the framework of the Zisman and Owens-Wendt models sometimes causes difficulties in the interaction of these fluids – dissolution or swelling of the substrate. The minimum number of test fluids is two, but more is used to increase accuracy. The use of mixed solvents allows to increase the number of experimental points, as well as to more accurately adjust the polarity of the medium, which is essential in determining the surface e

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2

Oleksiy, Myronyuk, Baklan Denys, and Nudchenko Lyudmyla. "EVALUATION OF THE SURFACE ENERGY OF DISPERSED ALUMINIUM OXIDE USING OWENS-WENDT THEORY." TECHNOLOGY AUDIT AND PRODUCTION RESERVES 2, no. 1(52) (2020): 25–27. https://doi.org/10.15587/2312-8372.2020.200756.

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<em>Knowing the value of the surface energy of powder materials allows to predict the interaction of the solid phase with liquids, the formation of stable dispersions, durable and resistant to aggressive factors of composites. The application of the Owens-Wendt model for determining the change in the surface energy of aluminium oxide modified by various water repellents is considered. Also, to determine the contact angle of the surface of the modified material, the Washburn method is used, which consists in determining the rate of capillary rise of the test fluid. This method is chosen due to

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3

Yarce, Cristhian, Juan Echeverri, and Constain Salamanca. "Effect of the Surface Hydrophobicity Degree on the In Vitro Release of Polar and Non-Polar Drugs from Polyelectrolyte Matrix Tablets." Polymers 10, no. 12 (2018): 1313. http://dx.doi.org/10.3390/polym10121313.

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This work is the continuation of a series of studies focused on establishing the relationship between the surface thermodynamic properties of polyelectrolyte matrix tablets and drug release mechanisms. In this case, two model drugs with different polarity features, such as carbamazepine (non-polar) and metoprolol succinate (polar) were used in combination with polymeric material hydroxypropyl-methyl cellulose (HPMC) and two polyelectrolytes derived from maleic anhydride corresponding to the sodium salts of poly(maleic acid-alt-ethylene) and poly(maleic acid-alt-octadecene) named PAM-0Na and PA

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4

Georgiev, Georgi As, Stanislav Baluschev, Petar Eftimov, Mihaela Bacheva, and Katharina Landfester. "Addressing the Apparent Controversies Between the Contact Angle-Based Models for Estimation of Surface Free Energy: A Critical Review." Colloids and Interfaces 8, no. 6 (2024): 62. http://dx.doi.org/10.3390/colloids8060062.

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The most popular contact angle (CA)-based approaches for determination of solid surface free energy (SFE) are considered: (i) single liquid methods, mainly of Neumann and Chibowski, (ii) the multiple liquids approach of Owens–Wendt–Rabel–Kaelble (OWRK), and (iii) van Oss-Chaudhury–Good (vOCG) acid–base model. Evaluations based on Neumann and Chibowski models agree between each other. Under the assumption of equilibrium “wet wetting” (i.e., presence of saturated precursor film ahead of the drop), the model of Chibowski transforms in Lipatov’s interfacial equilibrium rule, i.e., the Antonow rule

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5

Brleković, Filip, Katarina Mužina, and Stanislav Kurajica. "The Influence of Alkaline Pretreatment of Waste Nutshell for Use in Particulate Biocomposites." Journal of Composites Science 8, no. 1 (2024): 26. http://dx.doi.org/10.3390/jcs8010026.

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The aim of this work was to determine how different types of alkaline pretreatment influence the properties of waste almond and hazelnut nutshell, as well as their compatibility with model inorganic geopolymer matrixes for the formation of biocomposites with potential use in civil engineering. For alkaline pretreatment, 3, 6 and 9% NaOH water solutions and milk of lime were used under different temperature and time conditions. The rise in the crystallinity index was confirmed by X-ray powder diffraction analysis, while the corroboration of the removal of amorphous and undesirable components wa

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6

Ha, Jung-Hong, Hyeon-Cheol Kim, Young Kim, and Tae-Yub Kwon. "An Evaluation of Wetting and Adhesion of Three Bioceramic Root Canal Sealers to Intraradicular Human Dentin." Materials 11, no. 8 (2018): 1286. http://dx.doi.org/10.3390/ma11081286.

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Root canal sealers should have good wetting and adhesion with intraradicular dentin. This study evaluated the wetting and adhesion properties of three bioceramic root canal sealers on dentin using contact angle (CA) measurements and calculations based on the Owens–Wendt–Rabel–Kälble (OWRK) model and compared the properties with those of a resin sealer. Three bioceramic sealers (EndoSequence BC Sealer (BC); Endoseal MTA (EM); and MTA Fillapex (MF)) were tested, together with one epoxy resin-based sealer (AH Plus (AP)). Disc-shaped sealer specimens and human premolar teeth with flat and polished

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7

Daugbjerg, Thomas Schrøder, Loïc Crouzier, Alexandra Delvallée, et al. "Measurement of wettability and surface roughness for metrology and quality control in microfluidics." International Journal of Metrology and Quality Engineering 16 (2025): 2. https://doi.org/10.1051/ijmqe/2024021.

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Microfluidics is a rapidly growing technology with applications in biochemistry and life sciences. To support the ongoing growth there is a need for common metrology, quality control, and standardisation. Here measurements of wettability and surface roughness can contribute, and these quantities affect flow characteristics of devices, bonding processes in manufacturing, and special microfluidic mechanisms such as droplet formation and spreading of fluids on surfaces. To quantify wettability, an optical laboratory setup was used to measure liquid drop contact angles of three liquids on a microf

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8

Tian, Yuexin, Yintao Liu, Haifeng Dong, Xiangjun Liu, and Jinjun Huang. "Revealing a Wetting–Penetration–Interlocking Mechanism for the Interfacial Reinforcement of Degradable Liquid Plugs via Silane-Induced Microstructure Engineering." Polymers 17, no. 12 (2025): 1660. https://doi.org/10.3390/polym17121660.

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Hypothesis: Poor interfacial bonding and wetting incompatibility limit the performance of degradable liquid plugs under high-pressure conditions. It is hypothesized that silane-induced interfacial engineering can build a multiscale structure that enhances adhesion via coupled wetting, penetration, and interlocking mechanisms. Experiments: A C18 silane-modified steel surface was constructed and tested for its bonding behavior with an epoxy-based degradable plug. Interfacial strength, compressive capacity, and microstructure were analyzed using mechanical tests, SEM, AFM, and contact angle measu

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9

DANILOV, V. E., E. V. KOROLEV, A. M. AYZENSHTADT, and V. V. STROKOVA. "Features of the Calculation of Free Energy of the Surface Based on the Model for Interfacial Interaction of Owens–Wendt–Rabel–Kaelble." Stroitel'nye Materialy 776, no. 11 (2019): 66–72. http://dx.doi.org/10.31659/0585-430x-2019-776-11-66-72.

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10

Honciuc, Andrei, and Oana-Iuliana Negru. "NanoTraPPED—A New Method for Determining the Surface Energy of Nanoparticles via Pickering Emulsion Polymerization." Nanomaterials 11, no. 12 (2021): 3200. http://dx.doi.org/10.3390/nano11123200.

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Surface energy with its polar and disperse components describes the physicochemical state of nanoparticles’ (NPs) surfaces, and can be a valuable parameter for predicting their bulk behavior in powders. Here, we introduce a new method, namely, Nanoparticles Trapped on Polymerized Pickering Emulsion Droplets (NanoTraPPED), for measuring the surface energy of a series of silica NPs bearing various surface functional groups. The method consists in creating Pickering emulsions from vinyl bearing monomers, immiscible with water, whereas NPs of interest have a stabilizing role, and in the process, b

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11

Uba, Chukwudalu Uchenna, and Jonathan Richard Raush. "Quantification of Wettability and Surface Tension of Liquid Aluminum 7075 Alloy on Various Substrates." Journal of Manufacturing and Materials Processing 9, no. 5 (2025): 165. https://doi.org/10.3390/jmmp9050165.

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To support computational studies and process optimization that require temperature-dependent thermophysical properties, this study characterized the wettability, surface tension, liquid–solid interfacial tension (IFT), and work of adhesion of Al 7075-T6 alloy from 923–1073 K under argon on porous alumina, tungsten, and nonporous alumina substrates using sessile drop experiments and Young’s and Young–Dupre equations, respectively. Furthermore, the substrates’ room-temperature surface free energy (SFE) characteristics were characterized using the Owens–Wendt–Rabel–Kaelble model. The contact angl

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12

Liber-Kneć, Aneta, and Sylwia Łagan. "Surface Testing of Dental Biomaterials—Determination of Contact Angle and Surface Free Energy." Materials 14, no. 11 (2021): 2716. http://dx.doi.org/10.3390/ma14112716.

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The key goal of this study was to characterize surface properties of chosen dental materials on the base on the contact angle measurements and surface free energy calculations. Tested materials were incubated in the simulated oral environment and drinks to estimate an influence of conditions similar to those in the oral cavity on wetting and energetic state of the surface. Types of materials were as follows: denture acrylic resins, composite and PET-G dental retainer to compare basic materials used in a prosthetics, restorative dentistry and orthodontics. The sessile drop method was used to me

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13

Pušnik Črešnar, Klementina, Alexandra Aulova, Dimitrios N. Bikiaris, Dimitra Lambropoulou, Katja Kuzmič, and Lidija Fras Zemljič. "Incorporation of Metal-Based Nanoadditives into the PLA Matrix: Effect of Surface Properties on Antibacterial Activity and Mechanical Performance of PLA Nanoadditive Films." Molecules 26, no. 14 (2021): 4161. http://dx.doi.org/10.3390/molecules26144161.

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In this work, the modification process of poly(lactic acid) (PLA) with metal-based nanoparticle (NPs) additives (Ag, ZnO, TiO2) at different loading (0.5, 1.0, and 2.5 wt%) and by melt-mix extrusion method followed by film formation as one of the advantageous techniques for industrial application have been investigated. PLA nanoparticle composite films (PLA-NPs) of PLA-Ag, PLA-ZnO, PLA-TiO2 were fabricated, allowing convenient dispersion of NPs within the PLA matrix to further pursue the challenge of investigating the surface properties of PLA-NPs reinforced plastics (as films) for the final f

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14

Peršin Fratnik, Zdenka, Olivija Plohl, Vanja Kokol, and Lidija Fras Zemljič. "Using Different Surface Energy Models to Assess the Interactions between Antiviral Coating Films and phi6 Model Virus." Journal of Functional Biomaterials 14, no. 4 (2023): 232. http://dx.doi.org/10.3390/jfb14040232.

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High molecular weight chitosan (HMWCh), quaternised cellulose nanofibrils (qCNF), and their mixture showed antiviral potential in liquid phase, while this effect decreased when applied to facial masks, as studied in our recent work. To gain more insight into material antiviral activity, spin-coated thin films were prepared from each suspension (HMWCh, qCNF) and their mixture with a 1:1 ratio. To understand their mechanism of action, the interactions between these model films with various polar and nonpolar liquids and bacteriophage phi6 (in liquid phase) as a viral surrogate were studied. Surf

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15

Pavlo, Sivolapov, Myronyuk Oleksiy, Baklan Denys, and Berehovyj Taras. "Formation of effective concentration of film forming superhydrophobic coatings based on silicon dioxide." Technology audit and production reserves 3, no. 3(59) (2021): 6–9. https://doi.org/10.15587/2706-5448.2021.233535.

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<em>The object of research is the hydrophobization of a coating based on styrene-acrylic copolymer and cellulose acetate butyrate with pyrogenic silicon dioxide. The hydrophobicity or hydrophilicity of a surface depends mainly on the chemical structure of the surface and its roughness. A relief hydrophilic surface will be wetted much more easily than a flat surface of the same material, and vice versa </em><em>–</em><em> an increase in the roughness of a hydrophobe is accompanied by a more pronounced repulsion of water. The size and number of irregularities significantly affect

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16

Aleksandrova, Tatyana N., Valentin V. Kuznetsov, and Evgeniya O. Prokhorova. "Investigation of Interfacial Characteristics as a Key Aspect of the Justification of the Reagent Regime for Coal Flotation." Minerals 15, no. 1 (2025): 76. https://doi.org/10.3390/min15010076.

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This work presents a comprehensive approach for the justification of the reagent regime of coal flotation by investigating the interfacial characteristics of flotation phases with various techniques. For the energy characterization of the surface processes in flotation systems, a method of establishing the components of the specific surface Gibbs energy on the basis of a numerical estimation of surface free energy change during the adsorption of flotation reagents using the Owens–Wendt–Rabel–Kaelble technique was proposed. Using the developed approach, the features of the kinetics of n-hexane

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17

Ríos-Carrasco, Blanca, Bernardo Ferreira Lemos, Mariano Herrero-Climent, F. Javier Gil Mur, and Jose Vicente Ríos-Santos. "Effect of the Acid-Etching on Grit-Blasted Dental Implants to Improve Osseointegration: Histomorphometric Analysis of the Bone-Implant Contact in the Rabbit Tibia Model." Coatings 11, no. 11 (2021): 1426. http://dx.doi.org/10.3390/coatings11111426.

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Previous studies have shown that the most reliable way to evaluate the success of an implant is by bone-to-implant contact (BIC). Recent techniques allow modifications to the implant surface that improve mechanical and biological characteristics, and also upgrade osseointegration. Objective: The aim was to evaluate the osseointegration in rabbit tibia of two different titanium dental implant surfaces: shot-blasted with Al2O3 (SB) and the same treatment with an acid-etching by immersion for 15 s in HCl/H2SO4 (SB + AE). Material and methods: Roughness parameters (Ra, Rt, and Rz) were determined

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18

Sivolapov, Pavlo, Oleksiy Myronyuk, Denys Baklan, and Taras Berehovyj. "Formation of effective concentration of film forming superhydrophobic coatings based on silicon dioxide." Technology audit and production reserves 3, no. 3(59) (2021): 6–9. http://dx.doi.org/10.15587/2706-5448.2021.233535.

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The object of research is the hydrophobization of a coating based on styrene-acrylic copolymer and cellulose acetate butyrate with pyrogenic silicon dioxide. The hydrophobicity or hydrophilicity of a surface depends mainly on the chemical structure of the surface and its roughness. A relief hydrophilic surface will be wetted much more easily than a flat surface of the same material, and vice versa – an increase in the roughness of a hydrophobe is accompanied by a more pronounced repulsion of water. The size and number of irregularities significantly affect the wetting characteristics of the in

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19

Peršin, Zdenka, Alenka Vesel, Karin Stana Kleinschek, and Miran Mozetič. "Characterisation of surface properties of chemical and plasma treated regenerated cellulose fabric." Textile Research Journal 82, no. 20 (2012): 2078–89. http://dx.doi.org/10.1177/0040517512445338.

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The aim of this research work was to study the surface properties and sorption characteristics of differently treated regenerated cellulose fabrics. Surface modifications of viscose, modal and lyocell samples caused by using standard chemical pre-treatment procedures were compared to an alternative activation procedure by applying low pressure oxygen plasma treatment. The elemental chemical composition of the modified fabric surfaces was investigated using X-ray photoelectron spectroscopy (XPS), while hydrophilic/hydrophobic properties were evaluated by determining the water contact angles, as

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20

Hrouda, Ales, Radek Jirkovec, Petra Hamrikova, Maarten Vanierschot, Kathleen Denis, and Lukas Capek. "The wettability of electron spun membranes by synovial fluid." Royal Society Open Science 8, no. 12 (2021). http://dx.doi.org/10.1098/rsos.210892.

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Aseptic loosening due to periprosthetic osteolysis has been accepted as one of the leading causes of revision procedures in patients with previous joint arthroplasty. Recently, several strategies for suppression of osteolysis were proposed, mostly based on biological treatment such as mitigation of chronic inflammatory reactions. However, these biological treatments do not stop the debris migration but only reduce the inflammatory reaction. To address this shortcoming, we propose the concept of ultrahigh molecular weighted polyethylene particles filtration storage by electrospun membranes. Fir

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21

Tie, Jinxin, Binfeng Shen, Yuehui Qiao, et al. "Influence of microstructure on the wettability of tobacco leaves: a theoretical model and quantitative analysis." Frontiers in Materials 11 (December 11, 2024). https://doi.org/10.3389/fmats.2024.1485713.

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Wettability has widespread applications in everyday life such as waterproof clothing, moisture-proof materials, and self-cleaning surfaces. It is also a common phenomenon observed in plants like the lotus, where superhydrophobicity is primarily influenced by chemical composition and microstructure, with the latter playing the most critical role. In this paper, we explore how microstructure affects the wettability of tobacco leaves and examine the relationship between microstructure and contact angle. We select three different Roast tobacco leaves and use Neumann models and Owens-Wendt-Rabel-Ka

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22

Liu, Hsuan‐Hung, and Wei‐Kuo Chin. "Surface Morphologies and Wettability Studies of pH‐Sensitive Nanofibrillated Membranes." ChemistrySelect 8, no. 35 (2023). http://dx.doi.org/10.1002/slct.202301391.

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AbstractThe pH‐sensitive membranes have been extensively used in various fields. Through the incorporation of specific functional groups on pH‐sensitive molecules, diverse surface energies and degrees of wettability can be achieved at different pH values. In this study, we transformed pH‐sensitive copolymers into nanofibrillated membranes to increase their sensitivity to pH in terms of the contact angle formed by liquid droplets on their surface. Because N,N‐dimethylaminoethyl methacrylate (DMAEMA) contains an amino group, it is sensitive to acidic and alkaline environments. Moreover, to enhan

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23

Jeewandara, Thamarasee, Steven G. Wise, Praveesuda L. Michael, et al. "Abstract 387: Bioengineering L-605 Cobalt Chromium Cardiovascular Stent Biomaterial With Plasma Activated Coating, for Proactive Biocompatibility." Arteriosclerosis, Thrombosis, and Vascular Biology 35, suppl_1 (2015). http://dx.doi.org/10.1161/atvb.35.suppl_1.387.

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Introduction: Cobalt Chromium alloy L605 is an underlying biomaterial in new generation drug eluting stents (DES) and bare metal stents (BMS). Suboptimal biocompatibility of stents clinically manifest as thrombosis and restenosis. We optimized a plasma coating technology to activate an alloy L605 surface for enhanced biofunctionalization. Objective: Alloy L605 flat metal surface modified with plasma activated coating (PAC), covalently binds tropoelastin (TE) in its bioactive state. In vitro studies were conducted to assess biocompatibility of modified PAC biomaterial compared to the bare metal

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24

IBRAGIMOV, R. A., E. V. KOROLEV, Yu V. BIKAEVA, and I. S. LARIONOV. "The Contact Angles of Quartz and Caustic Dolomite Powders after Mechano-Magnetic Treatment." Stroitel'nye Materialy, March 2024, 64–70. http://dx.doi.org/10.31659/0585-430x-2024-822-3-64-70.

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The determination of the surface free energy (SFE) is currently achieved using an instrumental method, one of which is «sessile drop». The surface free energy of quartz and caustic dolomite powders was defined before and after mechano-magnetic activation in the Vortex layer device. Free surface energy was identified by the well-known models proposed by the Owens–Wendt–Rabel–Kaelble (OWRK) and Van Oss–Chaudhury–Good (VOCG). The determination of the surface free energy (SFE) based on the presented model provides a good convergence: due to experimental assumptions, the deviation in calculation re

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