نتایج جستجو برای: plasma deposited coating
تعداد نتایج: 419478 فیلتر نتایج به سال:
A microwave plasma chemical vapor deposition system was used to synthesize cubic boron nitride (cBN) coatings on diamond seeded silicon substrates using direct current (DC) bias. Effects of the argon (Ar) flow rate and bias voltage growth cBN were investigated. Hydrogen (H2), (Ar), a mixture diborane in H2 (95% H2, 5% B2H6), N2 feed gas. DC for external biasing sample, which facilitates goal ac...
Recent advances in the use of plasmonic metamaterials to improve absorption of light in thin-film solar photovoltaic devices has created a demand for a scalable method of patterning large areas with metal nanostructures deposited in an ordered array. This article describes two methods of fabricating ordered 2D nanosphere colloidal films: spin coating and interface coating. The two methods are c...
We investigated in situ the growth of a sputter-deposited gold film (sputtering rate R = 3.2 nm/min) on top of a pre-structured colloidal polymer template using grazing incidence small-angle X-ray scattering (GISAXS [5]). The underlying colloidal polymer template was deposited by using the novel technique of airbrush-spray coating, allowing for the installation of stripe-like trapezoidal patter...
The improvement of high temperature materials with lower heat transfer coefficients lead to the development thermal barrier coatings (TBCs). One most widely used for is Y2O3 stabilized ZrO2 (Y-TZP) because its excellent shock resistance, low conductivity, and relatively coefficient expansion. aim this work study TBCs mechanical behavior addition SiC into suspension Y-TZP/Al2O3 by acoustic emiss...
The paper is concerned with determining the influence of the laser treatment process on the properties of electro-spark deposited coatings. The properties were assessed by analyzing the coating microstructure, microhardness, residual stresses and corrosion resistance. The tests were conducted for Mo, Ti and Cu coatings (the anode) which were electro-spark deposited over the C45 steel substrate ...
In this paper, the coating on glass slides by ultrasonic irradiation in the aqueous ZnO solution is discussed. We investigate the effect of irradiation location on the amount coating, and the role of heat on the coated slide. The structure and morphology of the thin film were obtained by using atomic force microscopy (AFM) and field emission scanning electron microscopy (FESEM). The results sho...
The coating of thin films is applied in numerous fields and many methods are employed for the deposition of these films. Some coating techniques may deposit films at high speed; for example, ordinary printing paper is coated with micrometre-thick layers of clay at a speed of tens of meters per second. However, to coat nanometre thin films at high speed, vacuum techniques are typically required,...
This work presents a structural investigation of lithium borate (LBO) thin film. Firstly, 100 nm SiO2 was grown on top of n–type Si substrate by dry oxidation. Secondly, LBO gel was prepared by sol–gel method. After it, thin film of LBO was deposited on functionally graded SiO2/Si stack by spin coating, and then Raman and infrared spectra were studied for different thickness of the LBO film. Go...
High-entropy alloys receive more attention for high strength, good ductility as well wear resistance. In this work, CoCrFeNiMn high-entropy alloy (HEA) coatings were deposited on compacted graphite iron through plasma transfer arc at different currents. The microstructure and properties of the HEA investigated. are composed single phase with FCC structure. coating had highest microhardness 394 ...
This study investigated the efficacy of co-deposited vancomycin/chitosan coatings prepared using a plasma process on metallic implants in bacterially challenged rabbit model. A BioDepTM coating was used to deposit thin layers chitosan with vancomycin onto titanium alloy surfaces. Coated were examined standard microscopy, profilometry and elution studies. Nitrided Ti-6Al-4V (Ti alloy) dynamic co...
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