نتایج جستجو برای: plasma electrolytic oxidation peo
تعداد نتایج: 469894 فیلتر نتایج به سال:
The present study examined the in vitro and vivo bone formation adhesion ability on surface of a titanium dental implant made by plasma electrolytic oxidation (PEO) electrolytes containing bioactive ions. To achieve this goal, screw-shaped fabricated Ti-6Al-4V alloy implants were processed via PEO using an electrolyte solution calcium (Ca), phosphorous (P), magnesium (Mg), zinc (Zn), strontium ...
Plasma electrolytic oxidation (PEO) is proven as a scalable method for surface treatment of titanium (Ti) providing thick oxide layer with porous micro-nano morphology. Despite the lack antibacterial performance, this modification has potential to improve osseointegration properties Ti-based implant. To address limitation, we demonstrated new concept, showing that partial incorporation graphene...
Hafnium dioxide (HfO2) has a wide bandgap and high dielectric constant. We prepared ceramic coatings on Ti6Al4V alloys via plasma electrolytic oxidation (PEO) in an electrolyte with HfO2 particles. The influence of the particles microstructure, phase composition, elemental distribution, corrosion resistance PEO was systematically investigated. results showed that addition increased voltage (fro...
Abstract Considering the increasing interest for Al alloys in packaging industry, where component lightweighting allows higher process efficiency, as well use of additively manufactured parts, which may not show a satisfactory tribological behaviour as-built condition, anodising by Electrochemical Oxidation (ECO) and Plasma Electrolytic (PEO) was applied to A357 (AlSi7Mg0.6) produced Laser Powd...
plasma electrolytic oxidation (peo) is the new, environmentally and cost-effective method for coating the metals. this method vastly has been studied for coating aluminum, titanium and magnesium and their alloys and recently for steel. in present study, ck45 steel samples were coated by peo method in order to improve corrosion resistance. during this process specimens were immerged in carbonate...
Titanium dioxide-nickel oxide porous coatings were synthesized by Plasma Electrolytic Oxidation (PEO)/ ElectroPhoretic Deposition (EPD) in one step and within a short time. The main purpose of this research was to increase photocatalytic activity of titanium oxide by increasing surface area and coupling of titanium oxide with nickel oxide. Applied voltage effects on phase structure, surface mor...
In this study, Plasma Electrolytic Oxidation (PEO) technique was used for generating ceramic layer on the surface of aluminum alloy AA2024-T6 and the effect of coating time on the electrochemical corrosion behavior, micro-hardness, morphology of coating, and the phase structure was studied. The alloy was coated in 1, 3, 5 and 7 minutes at a constant electrical potential 550 V in a sodium silica...
In this study, the effect of coating time on the microstructure and corrosion behavior of AZ31 Mg alloy coated by plasma electrolytic oxidation (PEO) method has been investigated. For this purpose, phosphate-based electrolyte containing hydroxyapatite nanoparticles was used at different times of 5, 10 and 15 minutes. The surface properties and chemical composition of the coatings were investiga...
In this paper, zirconium oxide ceramics coating (ZrO2) were produced on Zircaloy-4 alloy using plasma electrolytic oxidation (PEO). Sodium silicate and Sodium aluminate based electrolyte was selected in PEO process and the effects of the concentration of Sodium aluminate (0, 2.5, 5, 7.5, and 10 g/L) on the microstructure, phase structure and the behavior of corrosion of formed coatings. In orde...
To improve the biological activities of titanium implant surfaces and promote efficient early bone formation, formation bioactive coatings that on is currently an important area research. In this study, we prepared a zinc-doped porous coating (Zn-PEO) alloy surface via plasma electrolytic oxidation. The characteristics samples were evaluated with field emission scanning electron microscopy (FE-...
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