نتایج جستجو برای: plasma deposited coating

تعداد نتایج: 419478  

Journal: :Plasma Processes and Polymers 2023

Plasma-enhanced chemical vapor deposition is a highly promising tool for coating due to its versatility, tunability, low consumption, and cost-effectiveness, with an increasing scope of methods at both atmospheric pressure. Adhering green chemistry principles, biobased precursors have recently shifted into the focus research interests. This review gives overview main biogenic substance classes ...

Journal: :Journal of Physics: Conference Series 2021

Abstract The present work investigates the application of plasma glow discharge to deposit fluoropolymer coatings. Two series experiments were carried out in which influence pressure and current strength on surface coatings morphology during its treatment with was investigated. is investigated by a scanning electron microscope (SEM), water contact angle (WCA) measured. fact that choice signific...

2018
Lihui Tian Ming Fu Wei Xiong

High-entropy alloys (HEAs) are promising structural materials due to their excellent comprehensive performances. The use of mechanically alloyed powders to deposit HEA coatings through atmospheric plasma spraying (APS) is an effective approach that can broaden the application areas of the HEAs. In this paper, a ductility-brittleness AlCoCrFeNiSi system was chosen as an object of study, and the ...

2005
H. Kersten G. Thieme M. Fröhlich D. Bojic D. H. Tung M. Quaas H. Wulff R. Hippler

Low-pressure plasmas offer a unique possibility of confinement, control, and fine tailoring of particle properties. Hence, dusty plasmas have grown into a vast field, and new applications of plasma-processed dust particles are emerging. During the deposition of thin amorphous films onto melamine formaldehyde (MF) microparticles in a C2H2 plasma, the generation of nanosized carbon particles was ...

Journal: :Dental materials journal 2005
Akihiko Yuda Seiji Ban Yuichi Izumi

The hydrothermal-electrochemical method is best suited for producing homogeneous apatite coatings on electro-conductive materials with complicated shape, such as the mesh. This study was undertaken to examine the effect of the apatite coating prepared by this coating method on cell adhesion, proliferation, and differentiation of MC3T3-E1 cells in culture. The cells attached and spread well on t...

1999
Ping Hou S. N. Basu

Dense, uniform, and adherent chemically vapor-deposited mullite coatings were deposited on SiC substrates using the AlCl3–SiCl4–H2–CO2 system. Typical coating morphology consisted of a thin interfacial layer of g–Al2O3 nanocrystallites embedded within a vitreous SiO2-based matrix. When a critical Al/Si ratio of 3.2 ± 0.29 was reached within this nanocrystalline layer, mullite crystals nucleated...

In this paper, the effect of the material and distance of the substrate on the characteristics of gamma alumina nanopowder coated by plasma spray method are investigated. For this purpose alumina nanopowder were coated on the two types of stainless steel and Pyrex glass substrates using a plasma torch. Morphological characteristics of the prepared nanolayer are studied by investigating the scan...

2016
Yongzhi Cao Zhenjiang Hu Leilei Yan Fuli Yu Wendi Tu

Novel multilayer structured TiBN coatings were deposited on Si (100) substrate using TiBN complex cathode plasma immersion ion implantation and deposition technique (PIIID). The coatings were characterized by X-ray diffraction (XRD), high-resolution transmission electron microcopy (HRTEM), energy-dispersive spectrometer (EDS) and ball-on-disk test. XRD results reveal that both samples of TiBN c...

2015
Dimitar Valtakari Jun Liu Vinay Kumar Chunlin Xu Martti Toivakka Jarkko J. Saarinen

UNLABELLED Aqueous dispersion of conductive polymer poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) ( PEDOT PSS) was deposited on spin-coated and drop cast nanofibrillar cellulose (NFC)-glycerol (G) matrix on a glass substrate. A thin glycerol film was utilized on plasma-treated glass substrate to provide adequate adhesion for the NFC-glycerol (NFC-G) film. The effects of annealing te...

2015
F. Fernandes T. Polcar A. Loureiro A. Cavaleiro

In the present investigation the effect of the substrate dilution on room and high temperature (550 and 700 oC) tribological behaviour of nickel based hardfaced coating deposited by plasma transferred arc onto a grey cast iron was investigated and compared to the uncoated grey cast iron. At room temperature, the wear loss of coatings was independent of the substrate dilution and similar to the ...

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