Filtry
wszystkich: 2778
-
Katalog
- Publikacje 2232 wyników po odfiltrowaniu
- Czasopisma 34 wyników po odfiltrowaniu
- Konferencje 1 wyników po odfiltrowaniu
- Wydawnictwa 1 wyników po odfiltrowaniu
- Osoby 29 wyników po odfiltrowaniu
- Projekty 1 wyników po odfiltrowaniu
- Zespoły Badawcze 1 wyników po odfiltrowaniu
- Kursy Online 16 wyników po odfiltrowaniu
- Wydarzenia 3 wyników po odfiltrowaniu
- Dane Badawcze 460 wyników po odfiltrowaniu
wyświetlamy 1000 najlepszych wyników Pomoc
Wyniki wyszukiwania dla: hard coatings
-
Preliminary study evaluating manual dexterity tests assessing gloves protecting against cuts and stabs by hand knives
Publikacja -
Metoda badania powłok ceramicznych w ruchu postępowo-zwrotnym = A method for testing of ceramic coatings under reciprocating sliding
PublikacjaOpracowano metodę badania powłok ceramicznych w warunkach tarcia ślizgowego na próbkach tworzących układ o styku niekonforemnym kula - powierzchnia płaska. Pokryte warstwą ceramiczną kule dociskano do próbek płaskich - prostopadłościennych listew (również pokrytych ceramiką), wykonujących ruch postępowo-zwrotny. Jako stanowisko badawcze zastosowano Tribometr Posuwisto-zwrotny TPZ-1. Przebieg zużywania się powłoki ceramicznej oceniano...
-
Friction and wear behaviour of self mated DLC and DLC-W coatings in water or salt in water solution lubricated sliding
PublikacjaPrzedstawiono wyniki badań powłok ceramicznych DLC oraz DLC z wolframem (DLC-W) nałożonych na podłoże ze stali nierdzewnej,przy tarciu ślizgowym , w modelowym skojarzeniu o styku konforemnym (płaskie czoło obracającej się względem swojej osi tulei - powierzchnia płaska). Badania prowadzono stosując smarowanie wodą destylowaną albo wodnym roztworem soli - NaCl. Wyznaczano współczynniki tarcia oraz intensywność zużywania ceramicznej...
-
Preparation and evaluation of solid-phase microextraction fibres based on functionalized latex nanoparticle coatings for trace analysis of inorganic anions
Publikacja -
Bulk processing of ZnO nanostructures via microwave assisted oxidation of mechanically seeded Zn dust for functional paints and coatings
Publikacja -
Anisotropic optical properties of few-layer black phosphorus coatings: from fundamental insights to opto-electrochemical sensor design
PublikacjaFew-layer black phosphorus (FLBP) is characterised by a tuneable bandgap, high carrier mobility and anisotropic optical properties. It therefore has the potential to find applications in electronics and photonics. FLBP oxidizes upon exposure to air, limiting its utility in devices and components. To address this issue, the thesis introduces methods and tools developed for studying FLBP's optical parameters, with a particular emphasis...
-
The abrasive wear resistance of coatings manufactured on high-strength low-alloy (HSLA) offshore steel in wet welding conditions
PublikacjaSome marine and offshore structure elements exploited in the water cannot be brought to the surface of the water as this will generate high costs, and for this reason, they require in-situ repairs. One of the repair techniques used in underwater pad welding conditions is a wet welding method. This paper presents an investigation of the abrasive wear resistance of coatings made in wet welding conditions with the use of two grades...
-
Tailoring optical constants of few-layer black phosphorus coatings: Spectroscopic ellipsometry approach supported by ab-initio simulation
Publikacja2D black phosphorus (BP) has attracted extensive attention as an anisotropic platform for novel optoelectronic and polarizing optics applications. Insight into the factors that tune the optical and polarizing properties of 2D BP reveals their essential influence on BP-based photonic and optoelectronic devices. In this work, studies of the optical constants of few-layer black phosphorus coatings are studied and discussed, with particular...
-
Ionogel sorbent coatings for determining organophosphorus and pyrethroid insecticides in water and fresh juice samples by headspace-solid phase microextraction
PublikacjaThe sol–gel method yielded three different ionogel sorbent coatings that were obtained based on a silica material containing ionic liquids (ILs) immobilized in its pores. Two ILs, triethylsulfonium bis(trifluoromethylsulfonyl) imide [Set3][TFSI] and 1-butyl-1-methylpiperidinium bis(trifluoromethylsulfonyl)imide [C4C1Pip][TFSI], as well as their equimolar mixture [Set3/C4C1Pip], were used to obtain ionogel fibers. The developed...
-
The Effect of Surface Modification of Ti13Zr13Nb Alloy on Adhesion of Antibiotic and Nanosilver-Loaded Bone Cement Coatings Dedicated for Application as Spacers
PublikacjaSpacers, in terms of instruments used in revision surgery for the local treatment of postoperative infection, are usually made of metal rod covered by antibiotic-loaded bone cement. One of the main limitations of this temporary implant is the debonding effect of metal–bone cement interface, leading to aseptic loosening. Material selection, as well as surface treatment, should be evaluated in order to minimize the risk of fraction...
-
Low temperature deposition of dense MnCo 2 O 4 protective coatings for steel interconnects of solid oxide cells
PublikacjaIn this work manganese cobalt spinel (MnCo2O4) coatings were deposited on steel substrates by spray pyrolysis at 390 °C. This is at much lower temperatures than previously reported (typically in excess of 900 °C). It was possible to produce coatings with well controlled thickness (2-5-10 μm). The as-deposited coatings were evaluated for their microstructural changes and electrical conductivity up to 800 °C. Results confirm the...
-
Case Reports in Plastic Surgery and Hand Surgery
Czasopisma -
Journal of Hand Surgery-Asian-Pacific Volume
Czasopisma -
JOURNAL OF HAND SURGERY-BRITISH AND EUROPEAN VOLUME
Czasopisma -
HERD-Health Environments Research & Design Journal
Czasopisma -
SEM micrographs of the topography of Cu-Sn-TiO2 nanocomposite coatings
Dane BadawczeThe dataset contains the scanning electron microscopy (SEM) micrographs of nanocomposite Cu-Sn-TiO2 coatings electrodeposited from oxalic acid bath containing Cu and Sn salts as well as TiO2 nanoparticles under various treatments: mechanical stirring, ultrasonic or none. The details of the electrodeposition process are presented in the readme file attached...
-
Raman spectroscopy analysis of synthesized sol-gel silica coatings
Dane BadawczeThese data contains Raman spectra of silica coatings synthesized using sol-gel method A and B, which were described with publication associated with this dataset. Raman scattering was measured with a Renishaw microRaman spectrometer (830 nm).
-
Imaging and chemical investigation of silver coating
Dane BadawczeThe recovery of silver from materials such as plates, still used in clinical radiography [1], or scrap jewelery is still very popular. The subject of the research, part of which was microscopic imaging, was to recreate the behavior of an electrochemically deposited silver coating. The copper electrodes were covered with a layer of silver obtained from...
-
Elastic protection coating for ship fuel tanks, intended for the increasing of environment protection level
PublikacjaW opracowaniu przedstawiono problemy związane z wprowadzeniem nowego rozwiązania dla podniesienia bezpieczeństwa zbiorników paliwowych, poprzez zainstalowanie we wnętrzu zbiornika drugiej elastycznej bariery ochronnej opartej na warstwie wypełniacza. Przedstawiono wyniki prac związanych z doborem parametrów warstwy drugiej bariery jak również materiału wypełniacza.
-
Applications of spin coating of polymer precursor and slurrysuspensions for Solid Oxide Fuel Cell fabrication
PublikacjaW pracy przedstawiono możliwości zastosowania w tlenkowych ogniwach paliwowych metody nanoszenia wirowego prekursorów polimerowych i zawiesin. Przedstawiono przykłady zastosowania tej metody do wytworzenia elektrolitu oraz warstw ochronnych dla stali nierdzewnych.
-
Chapter 13 : The influence of dispersion phase on composite coating properties after cold working
PublikacjaW pracy określono wpływ fazy dyspersyjnej Al2O3 na wybrane potencjalne właściwości powłok kompozytowych o osnowie niklowej. Powłoki Ni-Al-Al2O3 zostały nałożone na próbki stalowe przy użyciu technologii poddźwiękowego płomieniowego natryskiwania cieplnego. Następnie poddane zostały obróbce plastycznej na zimno i na gorąco poprzez walcowanie, a także prasowania na zimno na prasie hydraulicznej. Obróbka plastyczna jest metodą alternatywną...
-
Advanced coating of interior of tanks for rising environmental safety of tankers - novel applications of polyurethanes
PublikacjaOpisano technologię nanoszenia ciekłego systemu poliuretanowego na niewygrzewane elementy stalowe i stalowo-betonowe oraz sposób łączenia powłoki poliuretanowej z wymienionymi materiałami, a także między sobą przy użyciu odpowiednich środków adhezyjnych. Scharakteryzowano metodę utylizacji i odzysku polioli z zużytych w badaniach powłok poliuretanowych w recyklingu surowcowym poprzez zastosowanie małoczšsteczkowych glikoli jako...
-
Advanced coating of Tank Interior as means of Rising Environmental Safety of Tankers/RIM technology
Publikacja -
Drug-Releasing Antibacterial Coating Made from Nano-Hydroxyapatite Using the Sonocoating Method
Publikacja -
Biopolymers based paper coating with promoted grease resistivity, bio-degradable and mechanical properties
Publikacja -
The Effect of Texturing of the Surface of Concrete Substrate on the Pull-Off Strength of Epoxy Resin Coating
Publikacja -
Strontium-based nanosized phosphates as anticorrosive fi llers of epoxy and polyurethane coating compositions
PublikacjaAnticorrosive epoxy and polyurethane coatings were compounded using zinc-free nanosized phosphates of strontium (SP) or strontium and aluminum (SAP). For comparison, a nanosized calcium aluminum ammonium phosphate (CAP) and a microsized zinc phosphate (ZP) were tested. Results of salts spray and cyclic corrosion tests revealed better anticorrosive properties of the SAP-based coatings...
-
Improved surface coverage of an optical fibre with nanocrystalline diamond by the application of dip-coating seeding
PublikacjaGrowth processes of diamond thin films on the fused silica optical fibres (10 cm in length) were investigated at various temperatures. Fused silica pre-treatment by dip-coating in a dispersion consisting of detonation nanodiamond (DND) in dimethyl sulfoxide (DMSO) with polyvinyl alcohol (PVA) was applied. Nanocrystalline diamond (NCD) films were deposited on the fibres using the microwave plasma assisted chemical vapour deposition...
-
Multivariate analysis of impedance data obtained for coating systems of varying thickness applied on steel
PublikacjaElectrochemical impedance spectroscopy (EIS) has proven to be a valuable test method for the electrochemical characterization of protective coatings on metals. The common way of analysis in impedance spectroscopy is to model the impedance spectrum by means of an equivalent circuit and to extract the quantity of interest using optimization techniques. A model, corresponding to the behavior of the sample under testing, is important...
-
Anticorrosive and antimicrobial efficiency of photopolymerizable phosphorus (meth)acrylate oligomers-based coating materials
Publikacja -
Influence of porous coating on heat transfer during flow boiling of R22, R134a and R407C
PublikacjaPrzedstawiono wpływ pwłoki porowatej w pozionej rurce podczas wrzenia w przepływie i spadku ciśnienia czynników chłodniczych R22, R134a i R407C.
-
Using impedance spectroscopy to characterize and monitor protection aspects of organic coating systems on metal
PublikacjaOrganiczne powłoki ochronne stosowane są powszechnie do ochrony konstrukcji metalowych przed korozją i zużyciem mechanicznym. W pracy zaproponowano nowy typ sensora impedancyjnego, który może być zastosowany do ciągłej oceny właściwości barierowych i adhezyjnych systemów powłokowych w warunkach terenowych w sposób nieniszczący, bez konieczności stosowania naczyń z elektrolitem. Przedstawiono koncepcję czujnika oraz przykładowe...
-
The effect of the ceramic dispersion on the nickel matrix composite coating properties after plastic working
PublikacjaW pracy określono wpływ fazy dyspersyjnej Al2O3 na wybrane potencjalne właściwości powłok kompozytowych o osnowie niklowej. Powłoki Ni-Al-Al2O3 zostały nałożone na próbki stalowe przy użyciu technologii poddźwiękowego płomieniowego natryskiwania cieplnego. Następnie poddane zostały obróbce plastycznej na zimno i na gorąco poprzez walcowanie, a także prasowania na zimno na prasie hydraulicznej. Obróbka plastyczna jest metodą alternatywną...
-
Functional fluorine-doped tin oxide coating for opto-electrochemical label-free biosensors
PublikacjaSensors operating in multiple domains, such as optical and electrochemical, offer properties making biosensing more effective than those working in a single domain. To combine such domains in one sensing device, materials offering a certain set of properties are required. Fluorine-doped tin oxide (FTO) thin film is discussed in this work as functional optically for guiding lossy modes and simultaneously electrochemically, i.e....
-
Optical-Fiber Microsphere-Based Temperature Sensors with ZnO ALD Coating—Comparative Study
PublikacjaThis study presents the microsphere-based fiber-optic sensor with the ZnO Atomic Layer Deposition coating thickness of 100 nm and 200 nm for temperature measurements. Metrological properties of the sensor were investigated over the temperature range from 100 °C to 300 °C, with a 10 °C step. The interferometric signal was used to monitor the integrity of the microsphere and its attachment to the connecting fiber. For the sensor...
-
Damage tests of the single shell ship fuel tank with additional elastic protective coating
PublikacjaWejście na mieliznę lub kolizja średniej wielkości np. kontenerowca może doprowadzić do zanieczyszczenia środowiska Morza Bałtyckiego paliwem uwolnionym z rozszczelnionych, jednoposzyciowych zbiorników dennych, a ilość tego paliwa może być znaczna. W związku z tym podjęto prace badawcze zmierzające do opracowania sposobu obniżenia ryzyka rozlewu paliwa w wypadku kolizji poprzez wprowadzenie drugiej bariery ochronnej. Idea pomysłu...
-
Multispectral impedance quality testing of coil-coating system using principal component analysis
PublikacjaThe task of quality checking of the coil-coated system was undertaken using impedance spectroscopy. In order to properly characterize the system the new impedance spectrum was calculated as an averaged result of 12 experimental spectra obtained from 12 different places of the sample at the same time of immersion in 3% of NaCl. The experimental spectra were recorded for a 24-h period at 1 h intervals between starting points of each...
-
Drop-coating deposition surface-enhanced Raman spectroscopy on silver substrates for biofluid analysis
PublikacjaUtilization of surface-enhanced Raman spectroscopy as a measurement technique is of particular interest in biodetection due to its superb chemical specificity and high sensitivity. The use of SERS substrates further improve this method by massive enhancement of the molecule Raman spectrum, permitting very low levels of detection. Therefore it is important to seek for new ways to develop reliable substrates, which are quickly and...
-
Evaluation of organic coating systems for corrosion protection of industrial equipment using impedance spectroscopy
PublikacjaThe high economic impact of corrosion can be reduced by enhanced corrosion management and prevention based on appropriate means. This applies in particular to the protection of structures with organic protective coatings. Steel is subject to corrosion that reduces its service life and leads to destruction in most severe cases. The application of paints to metallic objects for corrosion control has been known for a long time and...
-
Silica-Based Ionogels: Nanoconfined Ionic Liquid-Rich Fibers for Headspace Solid-Phase Microextraction Coupled with Gas Chromatography–Barrier Discharge Ionization Detection
PublikacjaIn this work, hybrid silica-based materials with immobilized ionic liquids (ILs) were prepared by sol–gel technology and evaluated as solid-phase microextraction (SPME) fiber coatings. High loadings of the IL 1-methyl-3-butylimidazolium bis(trifluoromethylsulfonyl)imide ([C4MIM][TFSI]) were confined within the hybrid network. Coatings composition and morphology were evaluated using scanning electron microscopy and energy dispersive...
-
Method of managing drill cuttings from shale gas formations
PublikacjaProposed management method of drill cuttings involves recycling for the expanded clay production. A theoretical presentation of the possibility, choosing planning path based on similarity between the materials used in the manufacture of expanded clay and oily cuttings. Application for the main stages of manufacture of expanded clay production of drill cuttings from shale gas extraction. Introduced into circulation solid waste partly...
-
On bounded load routings for modeling k-regular connection topologies
PublikacjaW pracy analizowane są problemy modelowania k-regularnych topologii sieci komputerowych z punktu widzenia routingu typu point-to-point. Zaprezentowane są algorytmy oraz przeprowadzona jest analiza złożoności obliczeniowej.
-
Effect of the Unit Pressure on the Selection Parameters of Intermetallic Coastings NiAl and Ni3Al after Platic Working
PublikacjaW artykule omówiono wpływ zgniotu na wybrane parametry warstwy międzymetalicznej NiAl i Ni3Al napawanej na stali C45 podanej obróbce plastycznej poprzez prasowanie na zimno.
-
Fatal Case of Acute Cardiac Failure After Long-Term Physical Restraint of Patient Treated With Clozapine in Psychiatric Ward
Publikacja -
Blockchain based Secure Data Exchange between Cloud Networks and Smart Hand-held Devices for use in Smart Cities
PublikacjaIn relation to smart city planning and management, processing huge amounts of generated data and execution of non-lightweight cryptographic algorithms on resource constraint devices at disposal, is the primary focus of researchers today. To enable secure exchange of data between cloud networks and mobile devices, in particular smart hand held devices, this paper presents Blockchain based approach that disperses a public/free key...
-
Artificial neural network model of hardness, porosity and cavitation erosion wear of APS deposited Al2O3 -13 wt% TiO2 coatings
Publikacja -
Solid State Conductivity of Optimized Polypyrrole Coatings on Iron Obtained from Aqueous Sodium Salicylate Solution Determined by Impedance Spectroscopy
PublikacjaIn this work the optimization procedure for corrosion resistance, surface analysis and electrical properties of PPy-Fe electrodes have been examined. Polypyrrole (PPy) film was electrochemically synthesized in a one step process from an aqueous solution of sodium salicylate and pyrrole with certain concentrations, different parameters and type of polymerization...
-
Osteoblast and bacterial cell response on RGD peptide‐functionalized chitosan coatings electrophoretically deposited from different suspensions on Ti13Nb13Zr alloy
PublikacjaMetallic materials for long-term load-bearing implants still do not provide high antimicrobial activity while maintaining strong compatibility with bone cells. This study aimed to modify the surface of Ti13Nb13Zr alloy by electrophoretic deposition of a chitosan coating with a covalently attached Arg-Gly-Asp (RGD) peptide. The suspensions for coating deposition were prepared in two different ways either using hydroxyacetic acid...
-
Fuzzy reasoning approach to properties' determination of calcium phosphate coatings processed using ion beam assisted deposition on heated substrates
PublikacjaPraca przedstawia rozmyty system wnioskowania dla zamodelowania związków pomiędzy temperaturą podłoża oraz stosunkiem molowym Ca/P w gradientowej powłoce hydroxyapatytowej na podłożu tytanowym. Przeprowadzono symulację działania sterownika rozmytego na pomocą oprogramowania Matlab.
-
Results of acoustic emission tests of corrosion protection degree of ship steel tanks covered by means of protective coatings (Phase I)
PublikacjaThis paper presents methods and results of the 1st series of tests of acoustic emission (AE) signals, aimed at assessing degree of corrosion protection of a tank made of hull structural steel, protected by means of a protective coating combined from polyurethane layer and concrete filler. The tests were carried outin compliance with a method specially elaborated for application to the work in question. In the method were used requirements...