Electrophoretic deposition (EPD) was used to produce a multilayer coatings system based on chitosan/curcumin coatings on poly-ether-ether-ketone (PEEK)/bioactive glass (BG)/hexagonal boron nitride (h-BN) layers (previously deposited by EPD on 316L stainless steel) to yield bioactive and antibacterial coatings intended for orthopedic …Web
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the nonwashed group, the suspension stability of the washed group decreased as the PDDA content was increased. Nevertheless, at 0.3 wt% and 0.6 wt% PDDA, the EPD yields ofWeb
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Electrophoretic deposition (EPD) of composite coatings based on chitosan, gelatin and copper doped bioactive glass (Cu-BG) particles on 316L stainless substrates (SS) was investigated. Despite the fact that EPD offers easy control over the thickness and morphology of the produced coatings, the optimization of the EPD process is a tedious …Web
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Suspension stability studies for the electrophoretic deposition of boron films. Colloids Surf. A-Physicochem. Eng. Aspects (2007) ... Results within this study suggest electrophoretic deposition with Al 2 O 3 addition produces promising Yb 2 Si 2 O 7 environmental barrier coatings on SiC substrate with low oxidation rates and increased …Web
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Accordingly, this study involves electrophoretic deposition (EPD) to obtain PEEK/bioactive glass (BG) coatings on 316 L stainless steel (SS) substrates. In order to prepare the PEEK/BG suspension 2 wt.% PEEK and 6.67 wt.% BG powder were dispersed in ethanol, while citric acid was used as the charging agent.Web
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Nevertheless, studies on PDDA as a functionalising agent of hBN particles for EPD remain elusive. Here, hBN particles were functionalised with different amounts of PDDA to investigate effects on suspension stability and EPD yield. Deionised (DI)-water-based hBN particle suspensions with PDDA contents that varied from 0.3 wt% and 0.6 wt% (ofWeb
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Hexagonal boron nitride nanosheets (BNNS), also known as 'white graphene', are a dielectric analogue of graphene [].BNNS consists of sp 2-bonded 2D layers, in which B and N atoms alternatively lie in a honeycomb arrangement with a lattice constant of 2.50 Å [].Due to the structural similarity, graphene and BNNS both exhibit fascinating …Web
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The suspension was used for electrophoretic deposition of the insulating coating after dispersion for 0.5 h and magnetic stirring for 12 h. The pH of the suspension was measured with a pH meter ...Web
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The stability of boron particulate suspension in electrophoretic bath is an important factor to deposit the boron films. The stability of the suspension solution …Web
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2.1 Synthesis of Graphite Oxide. The graphite oxide used in this study was synthesized by chemical oxidation of graphite using expandable intercalation agent (HNO 3 and H 2 SO 4) by the modified Hummers' method [].In this research, 10.0 g of graphite powder was treated with 650 ml of HNO 3 /H 2 SO 4 (the volume ratio of 1:3) mixture …Web
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Download scientific diagram | Surface microstructure (10000 ) of Boron Nitride after EPD with different Polycationic 2 concentrations (0.2 wt% from BN particles basis) from publication: Transistor ...Web
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A hexagonal boron nitride (h-BN) coating of micron thickness is deposited directly on 316L stainless steel (SS316L) cathode through efficient, adjustable electrophoretic deposition (EPD) in a suspension …Web
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Abstract. In this paper suspension stability was studied for different dispersion media w.r.t. pH. The effect of boron addition with different weights on the pH …Web
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Researchers have tried several avenues to improve suspension stability, which includes physical and chemical treatment such as ultrasonication, modification of surface particles, addition of surfactants, applying forces on clustered particles, etc., among which the use of surface-active agents to enable dispersion in fluid medium is common …Web
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In order to prepare a stable suspension solution optimized value of particle size distribution (2.62 μm) and zeta potential (34.5 mV) is revealed. Chronoamperometry …Web
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Study the surface oxidation and pulp aggregation of the minerals to improve their hydrophobicity and flotation separation. [138] Pyrrhotite: CVP – −10: 1.3: 6: Study the feasibility of the use of diamine collector for sulfide flotation from a high-grade calcite. [144] Quartz: ESA: NaCl (10 −1 M) KCl (10 −2 M) CaCl 2 (10 −3 M) MgCl 2 ...Web
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Suspension stability studiesThe quality of electrophoretic deposition mainly depends on suspension conditions. A well-dispersed suspension provides a better deposition during EPD as compared to an unstable or agglomerated powder suspension. The suspension stability is studied in acetone as a dispersing medium [18], [19], [20].Web
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This article presents the results of an experimental investigation designed to deposit chitosan/hexagonal boron nitride (h-BN) and chitosan/h-BN/titania (TiO2) composites on SS316L substrates using electrophoretic deposition (EPD) for potential antibacterial applications. The influence of EPD parameters (voltage and deposition time) …Web
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The suspension stability of the suspensions listed in Table 1, which were also used for the EPD experiments, was investigated by measuring the weight change of …Web
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In multilayer hBN, the nanopore formation time varies according to the membrane thickness. For a 10 nm thick hBN, it could take two to three hours (electron dose: 0.9–1.3 × 10 23 electrons/cm 2 ...Web
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It is worth mentioning that in our group, the Al/Ni nano-composite energetic film was designed by an electrophoretic deposition method after optimizing suspension composition [16], showing great ...Web
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DOI: 10.1016/J.COLSURFA.2006.10.044 Corpus ID: 96343276; Suspension stability studies for the electrophoretic deposition of boron films @article{Hyam2007SuspensionSS, title={Suspension stability studies for the electrophoretic deposition of boron films}, author={Rajeshkumar Shankar Hyam and …Web
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free ions on the suspension stability of hBN particles and EPD yield. In contrast to that of the nonwashed group, the suspension stability of the washed group decreased as the …Web
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In this study, electrophoretic deposition (EPD) was used for the coating on titanium (Ti) substrate with a composite of hydroxyapatite (HA)-chitosan (CS) in the presence of dispersing agents such as polyvinyl butyral (PVB), polyethylene glycol (PEG), and triethanolamine (TEA). The materials were characterized usingWeb
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This article presents the results of an experimental investigation designed to deposit chitosan/hexagonal boron nitride (h-BN) and chitosan/h-BN/titania (TiO 2) composites on SS316L substrates using electrophoretic deposition (EPD) for potential antibacterial applications.The influence of EPD parameters (voltage and deposition time) …Web
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The basic requirement for the electrophoretic deposition of boron films is an optimized bath consisting of dispersion phase & dispersing media so that a stable …Web
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Injection molding of boron carbide (B 4 C) slurries affords the production of complex-shaped personal armor. To injection mold, however, requires preparation of a well dispersed, flowable suspension with >45 vol% B 4 C loadings to reduce porosity that must be removed during sintering. In the present study, the preparation of highly-loaded B 4 C …Web
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Download Table | Sedimentation test results of BN particles suspension at different pH levels from publication: Transistor package's boron nitride film microstructure and roughness: Effect of EPD ...Web
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7 rowsThe optimized suspension solution for the electrophoretic deposition of boron film without ...Web
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The h-BN (~250 mg) was added in 250 ml isopropyl alcohol (IPA) and sonicated for 8 h. The suspension was then centrifuged at 1000 rpm for 30 min. The supernatant was then mixed with 2–4 drops of reduced graphene oxide (rGO)/water suspension to improve the conductivity of solution. This final suspension was used to …Web
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The effect of iodine as an additive on the suspension stability was also studied. The electrophoretic deposition technique was applied for the production of boron coatings on Stainless steel substrates by using an optimized suspension solution of boron powder (particle size 200 mesh ∼74μm) in a suitable dispersion media.Web
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Glass/Hexagonal Boron Nitride Layers by Electrophoretic Deposition Ranjot Singh Virk 1, Muhammad Atiq Ur Rehman 1,2, ... substrates were analyzed for wear studies. Then, the EPD of chitosan/curcumin was optimized on 316L SS for suspension stability, thickness, and homogeneity of thecoatings. Subsequently ...Web
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In this study, DMF provides the strength and crack-proof coating and also helps to keep the suspension stability. According to Abdeltawab et al. [30], in acidic medium, DMF hydrolizes to formic acid and dimethyleamine, and then zeta potential decreases. All suspensions have same amount of DMF and the decrease in zeta …Web
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