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Journal articles on the topic 'C-PVD method'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

WU, SIYUAN, SHOUJUN WU, GUOYUN ZHANG, and WEIGUO ZHANG. "HARDNESS AND ELASTIC MODULUS OF TITANIUM NITRIDE COATINGS PREPARED BY PIRAC METHOD." Surface Review and Letters 25, no. 01 (2018): 1850040. http://dx.doi.org/10.1142/s0218625x18500403.

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In the present work, hardness and elastic modulus of a titanium nitride coatings prepared on Ti6Al4V by powder immersion reaction-assisted coating (PIRAC) are tested and comparatively studied with a physical vapor deposition (PVD) TiN coating. Surface hardness of the PIRAC coatings is about 11[Formula: see text]GPa, much lower than that of PVD coating of 22[Formula: see text]GPa. The hardness distribution profile from surface to substrate of the PVD coatings is steeply decreased from [Formula: see text]22[Formula: see text]GPa to [Formula: see text]4.5[Formula: see text]GPa of the Ti6Al4V subs

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2

Dong, Xiaoshuo, Mamatrishat Mamat, and Yiliyasi Baikeli. "Effect of annealing temperature on the structural, optical, morphological, and photocatalytic properties of TiO₂ thin films prepared by sol-gel spin-coating and electron beam physical vapor deposition." Journal of Physics D: Applied Physics 57, no. 38 (2024): 385106. http://dx.doi.org/10.1088/1361-6463/ad5602.

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Abstract TiO2 thin films were prepared by sol-gel spin-coating (SGSC) and electron beam-physical vapor deposition (EB-PVD) methods and annealed at different temperatures (Ta ). X-ray diffraction spectroscopy (XRD) results show that the TiO2 films prepared by the SGSC method transformed from the anatase single phase to the coexistence of anatase and rutile with the increase of Ta . However, TiO2 films prepared by the EB-PVD method existed only in the anatase phase, and the crystalline strength was enhanced with the increase of Ta . Meanwhile, particles of TiO2 targets annealed at different Ta s

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3

Yang, Kai-Wen, Dong Wang, Sriram K. Vidyarthi, et al. "Pulsed Vacuum Drying of Persimmon Slices: Drying Kinetics, Physicochemical Properties, Microstructure and Antioxidant Capacity." Plants 11, no. 19 (2022): 2500. http://dx.doi.org/10.3390/plants11192500.

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In order to explore an alternative drying method to enhance the drying process and quality of persimmon slices, pulsed vacuum drying (PVD) was employed and the effects of different drying temperatures (60, 65, 70, and 75 °C) on drying kinetics, color, rehydration ratio (RR), microstructure, bioactive compounds, and the antioxidant capacity of sliced persimmons were investigated in the current work. Results showed that the rehydration ratio (RR) of the samples under PVD was significantly higher than that of the traditional hot air-dried ones. Compared to the fresh samples, the dried persimmon s

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Kozłowski, M., E. Czerwosz, J. Radomska, K. Sobczak, and P. A. Dłużewski. "Properties of Pd nanograins in C-Pd composite films obtained by PVD method." Materials Science-Poland 33, no. 3 (2015): 482–87. http://dx.doi.org/10.1515/msp-2015-0066.

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Abstract Properties of palladium nanograins obtained by sedimentation of a soluted C-Pd film prepared by PVD method are presented. These properties were studied using SEM and TEM methods. Dissolved films were prepared by PVD method and after dissolving, they were fractionated to obtain different parts classified with palladium nanograins diameters. Several classes of diameters were determined: below 20 nm, between 20 and 100 nm and above 100 nm. The defects and triple junction were observed. Multishell carbonaceous structures were found in the big and medium size Pd nanograins.

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Sun, Xiaohui, Xianghui An, Sa Zhang, et al. "Physical vapor deposition (PVD): a method to fabricate modified g-C3N4 sheets." New Journal of Chemistry 43, no. 17 (2019): 6683–87. http://dx.doi.org/10.1039/c8nj06509h.

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Mohammad, Mehdi Pardsouie, Hadi Pardsouie Mohammad, Mohammad Ali Zomorodian Seyed, and Mokhberi Mehdi. "Numerical Study of Efficiency of the Vacuum Preloading in Weak Clay Treatment (a case study)." Journal of Civil Engineering and Materials Application 6, no. 2 (2022): 113–22. https://doi.org/10.22034/jcema.2022.347725.1086.

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This paper describes the behavior of soft soil foundation under Surcharge and with and Without prefabricated vertical drains (PVDs) or Vacuum Preloading base on a trial embankment which was built in Bangkok International Airport, Thailand. An analytical solution considering the variation of soil permeability and compressibility was adopted. Three scenarios were modeled and analyzed for Bangkok airport as: Model A: Application of surcharge load alone (i.e., no vacuum and PVD installation), Model B: Application of surcharge load combined with PVD (i.e., no vacuum application), Model C: Applicati

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Okhlupin, D. N., A. V. Korolev, and I. V. Sinev. "New material for anti-wear corrosion-resistant coating of agro industrial complex machinery parts." E3S Web of Conferences 222 (2020): 01002. http://dx.doi.org/10.1051/e3sconf/202022201002.

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The article presents the results of an experimental study of the corrosion resistance of the ta-C double coating of parts by PVD method with intermediate and final surface polishing with a discrete tool. The influence of regime factors on the results of polishing the ta-C coating with a discrete tool is shown, and optimal processing modes are proposed. Tests of samples in a salt bath showed that the double ta-C coating by PVD method with intermediate and final polishing ensures the absence of corrosion and coating peeling

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8

Śliwa, A. "Application of the Finite Elements Method for computer simulation of properties of surface layers." Archives of Materials Science and Engineering 2, no. 86 (2017): 56–85. http://dx.doi.org/10.5604/01.3001.0010.4886.

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Purpose: The work presents the application of the Finite Elements Method in a computer simulation whose aim is to determine the properties of PVD and CVD coatings on various substrates and to optimise parameters of a laser surface treatment process of surface layers of tool steels. Design/methodology/approach: The article discusses the application of the finite elements method for simulating the determination of stresses and microhardness of Ti+TiN, Ti+Ti(CN) and Ti+TiC coatings obtained in a magnetron PVD process on a substrate of sinter high-speed steel, of Ti/Ti(C,N)/CrN, Ti/Ti(C, N)/(Ti, A

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9

Rymarczyk, Joanna, and Mirosław Kozłowski. "Method of determination of palladium concentration for C-Pd nanostructural films as a function of film thickness, roughness and topography." Materials Science-Poland 32, no. 2 (2014): 228–35. http://dx.doi.org/10.2478/s13536-013-0194-5.

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AbstractIn this paper a method of determination of Pd in a carbon-palladium film (C-Pd film) deposited on a quartz substrate is presented. This method is based on energy dispersive X-ray spectroscopy (EDX) and all experiments were performed using a scanning electron microscope (SEM) equipped with EDX system. Qualitative and quantitative analyses were carried out for C-Pd films prepared by PVD method in different technological conditions. It was shown that results of the experiments depended on the structural model, film thickness and electron beam energy used for Pd content calculation.This me

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Singh, Pallavi, Kavinila Selvarasu, and Anindya Ghosh-Roy. "Optimization of RNAi efficiency in PVD neuron of C. elegans." PLOS ONE 19, no. 3 (2024): e0298766. http://dx.doi.org/10.1371/journal.pone.0298766.

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PVD neuron of C. elegans has become an attractive model for the study of dendrite development and regeneration due to its elaborate and stereotype dendrite morphology. RNA interference (RNAi) by feeding E. coli expressing dsRNA has been the basis of several genome wide screens performed using C. elegans. However, the feeding method often fails when it comes to knocking down genes in nervous system. In order to optimize the RNAi conditions for PVD neuron, we fed the worm strains with E. coli HT115 bacteria expressing dsRNA against mec-3, hpo-30, and tiam-1, whose loss of function are known to s

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11

Diduszko, Ryszard, Mirosław Kozłowski, Elzbieta Czerwosz, Anna Kamińska, and Robert Nietubyć. "Changes in the Structure of Palladium Nanograins in the Carbon Film (C-nPd) under the Influence of Hydrogen." Solid State Phenomena 203-204 (June 2013): 398–401. http://dx.doi.org/10.4028/www.scientific.net/ssp.203-204.398.

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Carbonaceous – nanopalladium (C-nPd) films on insulating substrates, obtained by PVD (Physical Vapor Deposition) followed by the annealing method, are used for hydrogen sensors. In this paper we present the results of XRD, SEM and electrical measurements of C-nPd films grown by PVD and then either annealed in an inert atmosphere or modified by CVD (Chemical Vapor Deposition). The structure of palladium grains were measured in a H2/N2gas mixture atmosphere containing H2in the concentration range 0-4%. Our measurements showed that C-nPd films prepared by PVD and annealing method were flat and th

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Yuval, Omer, Yael Iosilevskii, Anna Meledin, Benjamin Podbilewicz, and Tom Shemesh. "Neuron tracing and quantitative analyses of dendritic architecture reveal symmetrical three-way-junctions and phenotypes of git-1 in C. elegans." PLOS Computational Biology 17, no. 7 (2021): e1009185. http://dx.doi.org/10.1371/journal.pcbi.1009185.

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Complex dendritic trees are a distinctive feature of neurons. Alterations to dendritic morphology are associated with developmental, behavioral and neurodegenerative changes. The highly-arborized PVD neuron of C. elegans serves as a model to study dendritic patterning; however, quantitative, objective and automated analyses of PVD morphology are missing. Here, we present a method for neuronal feature extraction, based on deep-learning and fitting algorithms. The extracted neuronal architecture is represented by a database of structural elements for abstracted analysis. We obtain excellent auto

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13

Zhou, Wei-Lie, Yuichi Ikuhara, and Tetsuya Suzuki. "Grain Boundary Structure of c-BN Thin Film Synthesized by PVD Method." Materials Transactions, JIM 37, no. 5 (1996): 1122–26. http://dx.doi.org/10.2320/matertrans1989.37.1122.

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14

INAGAWA, Konosuke. "On the preparation of the c-BN film by the PVD method." SHINKU 31, no. 6 (1988): 621–27. http://dx.doi.org/10.3131/jvsj.31.621.

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15

Abhinay Kumar, C., and J. Y. V. Shiva Bhushan. "Deformation analysis of soft ground treated with PVDs – A Numerical study." IOP Conference Series: Earth and Environmental Science 982, no. 1 (2022): 012056. http://dx.doi.org/10.1088/1755-1315/982/1/012056.

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Abstract Soft ground deforms in both vertical and lateral directions when subjected to loads. These soils need to consolidate and gain strength to further use it for different engineering applications. Prefabricated vertical drains are very efficient for deep soil deposits employed with preloading for ground improvement. In this paper, a case study of a container yard in Chittagong port, Bangladesh is used to investigate the characteristics of the soil and its response when they are incorporated with PVDs. Final settlements of 258 mm are predicted using the Asaoka method for 1 m c/c PVD spacin

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16

Wu, Liying, Lianchang Qiu, Yong Du, et al. "Structure and Mechanical Properties of PVD and CVD TiAlSiN Coatings Deposited on Cemented Carbide." Crystals 11, no. 6 (2021): 598. http://dx.doi.org/10.3390/cryst11060598.

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This work reports the results of our investigation of the structure and mechanical properties of physical vapor deposition (PVD) and chemical vapor deposition (CVD) TiAlSiN coatings deposited on cemented carbide substrates. For the first time, a novel nanocomposite of Ti0.13Al0.85Si0.02N coating deposited from TiCl4-AlCl3-SiCl4-NH3-H2 gas precursors was prepared by low pressure chemical vapor deposition (LPCVD) at 780 °C and a pressure of 60 mbar, while PVD Ti0.31Al0.60Si0.09N coating was prepared using the arc ion plating method. The investigation results including morphology, microstructure,

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17

Han, Congying, Tingting Feng, Guoping He, and Tiande Guo. "Parallel Variable Distribution Algorithm for Constrained Optimization with Nonmonotone Technique." Journal of Applied Mathematics 2013 (2013): 1–7. http://dx.doi.org/10.1155/2013/295147.

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A modified parallel variable distribution (PVD) algorithm for solving large-scale constrained optimization problems is developed, which modifies quadratic subproblemQPlat each iteration instead of theQPl0of the SQP-type PVD algorithm proposed by C. A. Sagastizábal and M. V. Solodov in 2002. The algorithm can circumvent the difficulties associated with the possible inconsistency ofQPl0subproblem of the original SQP method. Moreover, we introduce a nonmonotone technique instead of the penalty function to carry out the line search procedure with more flexibly. Under appropriate conditions, the gl

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18

Zlamal, Tomas, Ivan Mrkvica, Tomas Szotkowski, and Sarka Malotova. "The Influence of Surface Treatment of PVD Coating on Its Quality and Wear Resistant." Coatings 9, no. 7 (2019): 439. http://dx.doi.org/10.3390/coatings9070439.

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The article deals with a determination of the influence of a cutting edge preparation on the quality and wear resistance of coated cutting tools. Cutting inserts made from a sintered carbide with a deposited layer of PVD coating were selected for measurement. Non-homogeneity caused by the creation of droplets arises in the application layer during the process of applying the coating by the PVD method. These droplets make the surface roughness of the PVD coating worse, increase the friction and thereby the thermal load of the cutting tool as well. Also, the droplets could be the cause of the cr

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19

Lapaev, Andrey V. "Selecting a method of surface hardening for thin-walled repair bushings." Agricultural Engineering, no. 2 (2025): 77–83. https://doi.org/10.26897/2687-1149-2025-2-77-83.

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One of the effective ways to restore the serviceability of the “shaft-seal” joint is the use of thin-walled repair bushings. When installed on shafts, they restore the joint tightness without disassembling the unit in shortest time and field conditions. The team of authors have produced thin-walled repair bushings with a wall thickness of 0.25 mm. They have made research to choose a surface hardening method for thin-walled bushing to achieve a microhardness of above 21,000 MPa. This value exceeds that of quartz abrasive and aluminum oxide, which are the main components of dust. Having analyzed

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20

Jaron, Artur, Zbigniew Żurek, and Kazimierz Reszka. "Nickel Porous Electrode Pt Layered by PVD Method." Key Engineering Materials 605 (April 2014): 360–63. http://dx.doi.org/10.4028/www.scientific.net/kem.605.360.

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Influence of a platinum layer on the nickel powder sintered electrode on electrochemical processes of hydrogen generation is presented and discussed in this paper. The sinters of metallic nickel with developed area were obtained by subsequent oxidation/reduction of Ni powder. The process of platinum layer deposition on surface of nickel sinters was carried out with the PVD method. The morphology characteristics of Ni and Ni-Pt layered sinters were carried out with the application of SEM/EDS method. The electrochemical properties of above mentioned sinters were examined by potentiostatic method

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21

Lee, Si Young, Julia D. Lenef, Kalyn M. Fuelling, et al. "Atomic Layer Deposition of Cu Catalysts on Gas Diffusion Electrodes for Electrochemical CO₂ Reduction." ECS Meeting Abstracts MA2024-01, no. 37 (2024): 2198. http://dx.doi.org/10.1149/ma2024-01372198mtgabs.

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Electrochemical CO2 conversion is gaining attention as an important process for carbon fixation through the use of renewable electricity to address the climate change crisis. Copper is a unique single-element catalyst that can induce C-C coupling reactions to generate high-value-added compounds. The triple phase boundary has been successfully controlled at the catalyst interface using gas diffusion electrodes (GDEs) over the past few years, resulting in high C-C coupling performance. Therefore, methods to engineer the catalyst interface on the 3D structure of GDE are of significant importance.

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22

Suchańska, M., H. Baghdasaryan, and J. Kęczkowska. "Nanocomposite C-Pd thin films – a new material with specific spectral properties." Advanced Electromagnetics 2, no. 1 (2013): 65. http://dx.doi.org/10.7716/aem.v2i1.71.

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In this paper, the results of optical investigations for thin films of carbon-palladium (C-Pd) nanocomposites are presented. This films were prepared using two steps method (PVD/ CVD). The optical and Raman spectroscopy has been used to characterize the material. The multinanolayer model was used to explain the specific spectral properties.

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23

Firek, Piotr, Elżbieta Czerwosz, Halina Wronka, et al. "The Preparation and Properties of a Hydrogen-Sensing Field-Effect Transistor with a Gate of Nanocomposite C-Pd Film." Energies 17, no. 13 (2024): 3261. http://dx.doi.org/10.3390/en17133261.

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The objective of this paper is to evaluate the effect of a nanostructured C-Pd film deposited in the gate area of a field-effect transistor (FET) with a carbon–palladium composite gate (C-Pd/FET) on the hydrogen-sensing properties of the transistor. The method of preparing a field-effect transistor (FET) with a C-Pd film deposited as a gate and the properties of such a transistor and the film itself are presented. The C-Pd film deposited by PVD method on the gate area serves as an active layer. The PVD process was carried out in a dynamic vacuum of 10−5 mbar from two separated sources—one cont

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24

Tkáčová, J., E. Zdravecká, E. Evin, M. Tomáš, and D. Jakubéczyová. "Evaluation of selected properties of coatings in respect of risk elimination of surface damage of stamped parts." Koroze a ochrana materialu 63, no. 4 (2019): 159–66. http://dx.doi.org/10.2478/kom-2019-0021.

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Abstract For achieving a long service life of stamping dies for new types of steel sheets intended for the automotive industry, the tribosystem must be optimally designed. One of the possible solutions is its optimization by coatings. More modern coating technologies for stamping dies include PVD (physical vapor deposition) and CVD (chemical vapor deposition) methods. The properties of PVD TiCN and DLC (diamond-like carbon) coatings deposited on ledeburitic high-alloy Cr–Mo–V steel were analyzed by standard tests (coating adhesion by both the scratch and Rockwell C tests, microhardness by Vick

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25

Rymarczyk, Joanna, Elżbieta Czerwosz, Ryszard Diduszko, and Mirosław Kozłowski. "Decomposition of palladium acetate and C60 fullerite during thermal evaporation in PVD process." Materials Science-Poland 35, no. 3 (2017): 594–600. http://dx.doi.org/10.1515/msp-2017-0055.

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AbstractThe mechanisms of thermal decomposition of evaporated material during Physical Vapor Deposition (PVD) process depend on the kind of evaporated material. Such parameters of PVD process as deposition rate, source temperature and deposition time should be carefully selected taking into account the properties of material. Deposited films can span the range of chemical compositions based on the source materials. The nanostructural carbon films in form of palladium nanograins embedded in various carbonaceous matrixes were obtained by thermal evaporation during PVD process from two separated

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26

Szparaga, Łukasz, Przemysław Bartosik, Adam Gilewicz, Katarzyna Mydłowska, and Jerzy Ratajski. "Optimisation of Mechanical Properties of Gradient Zr–C Coatings." Materials 14, no. 2 (2021): 296. http://dx.doi.org/10.3390/ma14020296.

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One of the key components of the designing procedure of a structure of hard anti-wear coatings deposited via Physical Vapour Deposition (PVD) is the analysis of the stress and strain distributions in the substrate/coating systems, initiated during the deposition process and by external mechanical loads. Knowledge of residual stress development is crucial due to their significant influence on the mechanical and tribological properties of such layer systems. The main goal of the work is to find the optimal functionally graded material (FGM) coating’s structure, composed of three functional layer

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27

Szparaga, Łukasz, Przemysław Bartosik, Adam Gilewicz, Katarzyna Mydłowska, and Jerzy Ratajski. "Optimisation of Mechanical Properties of Gradient Zr–C Coatings." Materials 14, no. 2 (2021): 296. http://dx.doi.org/10.3390/ma14020296.

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One of the key components of the designing procedure of a structure of hard anti-wear coatings deposited via Physical Vapour Deposition (PVD) is the analysis of the stress and strain distributions in the substrate/coating systems, initiated during the deposition process and by external mechanical loads. Knowledge of residual stress development is crucial due to their significant influence on the mechanical and tribological properties of such layer systems. The main goal of the work is to find the optimal functionally graded material (FGM) coating’s structure, composed of three functional layer

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28

Mikołajczyk, Tomasz, Marcin Turemko, and Bogusław Pierożyński. "Ethanol oxidation reaction at Pd-modified nickel foam obtained by PVD method." Polish Journal of Chemical Technology 17, no. 2 (2015): 47–50. http://dx.doi.org/10.1515/pjct-2015-0028.

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Abstract In this study, palladium-modified nickel foam substrate was applied to examine ethanol oxidation reaction (EOR) in 0.1 M NaOH supporting solution. An EOR catalyst was prepared by physical vapour deposition (PVD) of palladium onto Ni foam material. Temperature-dependent kinetics of the EOR were studied over the temperature range: 20-60°C by means of a.c. impedance spectroscopy and cyclic voltammetry techniques. Deposition of a noble metal additive was clearly exposed through scanning electron microscopy: SEM/EDX-supported analysis. Most importantly, this work investigated the effect of

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29

LuboÅ¡, KaÅ¡cák, and Kubík René. "Influence of Elastic Deformations on the Adhesion of the ZRN Coating on the Clinching Tool." International Journal of Trend in Scientific Research and Development 4, no. 1 (2019): 1210–13. https://doi.org/10.5281/zenodo.3610057.

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Clinching is a mechanical joining method. Is it utilized in automobile industry as an alternative method to resistance spot welding. Considering that various types of materials are joined in car body production, PVD coatings are used to increase the lifetime of the clinching tools. Hot dip galvanized steel sheets were used for joining by clinching method. The zirconium nitride ZrN PVD coating was deposited on the surfaces of clinching tool. The loss of cohesion properties of coating was observed at punchÂ´s R0.2 radius after 300 clinched joints. FEM analysis was used to show the pu

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Góral, Marek, Tadeusz Kubaszek, Marcin Kobylarz, Marcin Drajewicz, and Maciej Pytel. "Thermal Barrier Coating Deposited Using the PS-PVD Method on TiAl-Nb-Mo Intermetallic Alloy with Different Types of Bond Coats." Solid State Phenomena 320 (June 30, 2021): 60–65. http://dx.doi.org/10.4028/www.scientific.net/ssp.320.60.

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TiAl intermetallics can be considered an alternative for conventional nickel superalloys in the high-temperature application. A TBC (Thermal Barrier Coatings) with ceramic topcoat with columnar structure obtained using EB-PVD (electron beam physical vapour deposition) is currently used to protect TiAl intermetallics. This article presents the new concept and technology of TBC for TiAl intermetallic alloys. Bond coats produced using the slurry method were obtained. Si and Al nanopowders (70 nm) were used for water-based slurry preparation with different composition of solid fraction: 100 wt.% o

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Choi, Jae Woong, Gil Ho Hwang, Heung Jae Oh, and Sung Goon Kang. "Fabrication and Characterization of Al-Fe Coating for the Wet-Seal Area of Separator for Molten Carbonate Fuel Cells (MCFC) by the Laminating of Al Foil." Solid State Phenomena 124-126 (June 2007): 1577–80. http://dx.doi.org/10.4028/www.scientific.net/ssp.124-126.1577.

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The separator of the molten carbonate fuel cells (MCFC) has the major corrosion problems, especially wet-seal area, because this part contacts directly with the corrosive molten carbonate electrolyte. For the protection of the wet-seal area, aluminization method is developed recently. Coated aluminum reacts with the molten carbonate and forms the LiAlO2 having high corrosion resistance, high melting point, no electrical conductivity and no dissolution in molten carbonate. In this study, 50㎛ thickness aluminum foil was applied to form the Al-Fe coating layer on the AISI316L by using the laminat

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Zagula-Yavorska, Maryana, Jolanta Romanowska, Jan Sieniawski, and Małgorzata Wierzbińska. "Hafnium Modified Aluminide Coatings Obtained by the CVD and PVD Methods." Solid State Phenomena 227 (January 2015): 353–56. http://dx.doi.org/10.4028/www.scientific.net/ssp.227.353.

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Zirconium, hafnium or platinum modification of NiAl phase increases the oxidation resistance of diffusion aluminide coatings. Small hafnium addition to aluminide coatings decreases the oxidation rate of nickel superalloys at 1100 °C.The paper presents comparison of structures of hafnium modified aluminide coatings deposited in two different ways on pure nickel. In the first way double layers of hafnium 3 μm thick and aluminum 3 μm thick were deposited by the EB-PVD on the nickel substrate. The double layers were subjected to diffusion treatment at 1050 °C for 6 h and 20 h. In the second method

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33

Fitrullah, Muhammad, Marta Hendra, A. A. Alhamidi, et al. "The Improvement of Product Quality and Production Capacity of Metal Coin Dies by Tempering Treatment and PVD TiN Coating in Isodur^TM Steel." Advanced Materials Research 1112 (July 2015): 323–28. http://dx.doi.org/10.4028/www.scientific.net/amr.1112.323.

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In industry of coins production, dies is proportionally compared with the production of coin. Dies, one of the essential components, is externally influenced by geometry, relief, setting parameter production and others. While, internally dies will be affected by its physical property and surface treatment. Phenomenon of dimension deformation and poor wear resistance on dies surface, are part of leakage factor in coin production. In this research, the mechanical properties of IsodurTM steel is being controlled by heat treatment especially tempering treatment and TiN PVD coating with arc cathodi

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Rubshtein, Anna P., Alexander B. Vladimirov, and Sergey A. Plotnikov. "Nanowear of Multilayer [(TiCx/Ti/C)÷a-C]_n Coatings." Solid State Phenomena 279 (August 2018): 153–59. http://dx.doi.org/10.4028/www.scientific.net/ssp.279.153.

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Hard multilayer coatings are technologically promising materials for reducing wear of tribological parts. Multilayer coatings with a systematic alternation of the pair [(TiCx/Ti/C)÷(a-C)] were deposited on stainless and tool steel by the PVD technique. Hardness (H), elasticity modulus (E) and critical cracking load (Pcr) were determined by the nanoindentation method. Nanofrictional wear test was conducted under multipass sliding of a diamond indenter (Ø 50 nm) under constant load. The specific coefficient of nanofrictional wear of [(TiCx/Ti/C)÷(a-C)]nwith different composition of titanium-cont

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Goldmane, Annija Elizabete, Liga Avotina, Edgars Vanags, et al. "Thermal Oxidation of Tungsten Coatings for Detection by Infrared Spectrometry Method." Journal of Physics: Conference Series 2423, no. 1 (2023): 012022. http://dx.doi.org/10.1088/1742-6596/2423/1/012022.

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Abstract Physical vapor deposition (PVD) of metallic thin films is used extensively in the fabrication of semiconductor technology devices - use as of lately for them have grown. Tungsten (W) is a low resistivity, refractory metal, that is often deposited by PVD methods for use as a gate contact to semiconductor devices and due to the low work function and high thermal stability, W can be used for the fabrication of field emitters in microelectronics [1-3]. In order to monitor quality of the synthesized thin films by magnetron sputtering method, it is necessary to develop methodology suitable

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Adenikinju, Adenike, Dorothy C. Garner, Thomas Kerkering, Roderick Jensen, and Jayasimha Rao. "2606. A Divergent Ferrichrome Receptor Associated with an Insertional Element (IS3) Identified on Novel Locus in Clinical Strain of Pseudomonas aeruginosa." Open Forum Infectious Diseases 6, Supplement_2 (2019): S906. http://dx.doi.org/10.1093/ofid/ofz360.2284.

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Abstract Background Pseudomonas aeruginosa is an aerobic Gram-negative bacterium that causes life-threatening acute and chronic infections in humans. Genotypic mutations and phenotypic variations are key features of its antimicrobial resistance and adaptation to the host environment. Pyoverdine associated genes and divergent receptors play a key role in acute Pseudomonas infections. This study seeks to address the heterogeneity of ferrichrome-iron receptor (fpvA) expression, its effect on pathogenicity and its propensity to cause acute infections clinically. Genetic and phenotypic variation of

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Safonov, V., A. Zykova, J. Steller, T. Seremak, and N. Donkov. "Comparative analysis of cavitation erosion of Cr-C carbide coatings depending on the carbon content." Journal of Physics: Conference Series 2240, no. 1 (2022): 012012. http://dx.doi.org/10.1088/1742-6596/2240/1/012012.

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Abstract The aim of the study was to conduct a comparative analysis of the cavitation erosion resistance of thick (up to 20 μm) Cr-C coatings by means of the rotating-disk testing method. An experimental study was carried out of the process of cavitation destruction of Cr18Ni10Ti stainless steel samples with Cr-C thick coatings depending on the carbon concentration in the coating. Nanocrystalline thick coatings of Cr-C were deposited by using the cathodic arc evaporation (Arc PVD) method. The results showed that the erosion rate of the coated samples was more than four times less than that of

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Wu, Kee-Rong, Raymond G. Bayer, Peter A. Engel, and D. C. Sun. "Wear of Physical Vapor Deposition TiN Coatings Sliding Against Cr-Steel and WC Counterbodies." Journal of Tribology 120, no. 3 (1998): 482–88. http://dx.doi.org/10.1115/1.2834576.

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Cutting tools are often coated with titanium nitride (TiN) for its good wear resistance. The method of coating by physical vapor deposition (PVD) has many superior features over other methods of deposition. Among the parameters affecting the wear resistance of PVD TiN coatings, the most crucial ones are the deposition temperature and the coating thickness. This paper presents an experimental investigation of the wear characteristics of PVD TiN coatings produced at two deposition temperatures (around 220°C and 371°C) and for a range of coating thicknesses (0.48 μm to 3.25 μm). A ball-on-flat co

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Han, Feng, Michael Lang, Patric Szabo, Christian Geipel, Christian Walter, and Rémi Costa. "Performance and Degradation of Electrolyte Supported SOECs with Advanced GDC Thin-film Layers in Long-term Stack Test." ECS Meeting Abstracts MA2023-01, no. 54 (2023): 314. http://dx.doi.org/10.1149/ma2023-0154314mtgabs.

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Solid oxide electrolyser (SOE) based on electrolyte-supported cell (ESC) architecture is proven to be highly efficient and reliable technology for green hydrogen production via high temperature electrolysis. Operating under industrial conditions, the performance, lifetime and robustness of the cells and stacks belong to the most important factors for an up-scaled penetration of the SOE technology into energy and chemistry sectors. A typical ESC consists of scandia- or yttria-stabilized zirconia electrolyte, Ni-cermet fuel electrode, lanthanum strontium cobalt ferrite (LSCF) oxygen electrode an

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Safonov, V., A. Zykova, J. Steller, G. Tolmachova, and N. Donkov. "Effect of carbon content on resistance to cavitation erosion of Cr-C coatings deposited by Arc PVD method." Journal of Physics: Conference Series 2487, no. 1 (2023): 012034. http://dx.doi.org/10.1088/1742-6596/2487/1/012034.

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Abstract The aim of the study is a comparative analysis of effect of the carbon content in the range from 2 to 25 at.% on the resistance to cavitation erosion of Cr-C coated samples by means of the rotating disk method. The effect of carbon concentration in the range from 2 to 25 at % on the structure, properties and cavitation resistance of Cr-C vacuum-arc coatings deposited in argon with toluene at a pressure of 0.08 to 0.23 Pa on 12Cr18Ni10Ti stainless steel samples has been studied. It has been established that the application of coatings leads to a decrease in the rate of cavitation erosi

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Michalczewski, Remigiusz, Marek Kalbarczyk, Zbigniew Słomka, et al. "Sliding Wear Performance of AlCrN Coating on TiB2/Ti Composites at High Temperatures." Materials 14, no. 22 (2021): 6771. http://dx.doi.org/10.3390/ma14226771.

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The aim of the study was to investigate effect of Ti/TiB2 composite composition and manufacturing technology parameters on the tribological behaviour of AlCrN coating-composite system. The AlCrN coating was deposited by PVD (Physical Vapour Deposition) method. The composites were manufactured by spark plasma sintering (SPS) from three variants of powders mixtures: Ti with TiB2, Ti6Al4V with TiB2 as well as Ti with B, using (five) different sintering temperatures. For each of the developed coating-composite systems, the wear resistance was evaluated using ball-on-disc SRV tester, at six tempera

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Moreau, Nicolas, Antonio Fonseca, Danilo Vuono, et al. "Physical Methods for the Preparation of Cobalt Nanoparticles for Use in the Synthesis of Multiwalled Carbon Nanotubes." Inorganics 13, no. 1 (2024): 7. https://doi.org/10.3390/inorganics13010007.

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The aim of this work was to obtain cobalt nanoparticles through a physical method, which could be formed simultaneously during the Catalytic Chemical Vapour Deposition (CCVD) synthesis of carbon nanotubes, under conditions suitable for both carbon nanotube synthesis and Co-nanoparticle formation. Co nanoparticles were prepared by Physical Vapour Deposition (PVD) using a 0.05 m3 magnetron on two different substrates, SiO2/Si and C, followed by a reduction treatment in an H2 atmosphere. Transmission Electron Microscopy (TEM) and Field Enhanced Scanning Electron Microscopy (FE-SEM) were used to c

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Golgovici, Florentina, Aurelia-Elena Tudose, Laurențiu Florin Mosinoiu, and Ioana Demetrescu. "Characterization of NiCrAlY Layers Deposited on 310H Alloy Using the EB-PVD Method After Oxidation in Water at High Temperature and Pressure." Applied Sciences 15, no. 5 (2025): 2361. https://doi.org/10.3390/app15052361.

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In this paper, the oxidation behavior of the 310H alloy coated with NiCrAlY using the EB-PVD method is studied after exposure to water at a high temperature and pressure (550 °C and 25 MPa) for different periods (720 h, 1440 h, and 2160 h). The Electron Beam Physical Vapor Deposition (EB-PVD) method was used to obtain the NiCrAlY coating. After testing, the coating performance was carried out by gravimetric analysis, grazing incidence X-ray diffraction (GIXRD), scanning electron microscopy (SEM), electrochemical impedance spectroscopy (EIS), and the linear polarization method. GIXRD analysis h

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Scigala, Aleksandra, Edward Szłyk, Tomasz Rerek, et al. "Copper Nitride Nanowire Arrays—Comparison of Synthetic Approaches." Materials 14, no. 3 (2021): 603. http://dx.doi.org/10.3390/ma14030603.

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Copper nitride nanowire arrays were synthesized by an ammonolysis reaction of copper oxide precursors grown on copper surfaces in an ammonia solution. The starting Cu films were deposited on a silicon substrate using two different methods: thermal evaporation (30 nm thickness) and electroplating (2 μm thickness). The grown CuO or CuO/Cu(OH)2 architectures were studied in regard to morphology and size, using electron microscopy methods (SEM, TEM). The final shape and composition of the structures were mostly affected by the concentration of the ammonia solution and time of the immersion. Needle

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Żukowska, L., J. Mikuła, M. Staszuk, and M. Musztyfaga-Staszuk. "Structure And Properties Of PVD Coatings Deposited On Cermets." Archives of Metallurgy and Materials 60, no. 2 (2015): 727–33. http://dx.doi.org/10.1515/amm-2015-0198.

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Abstract The main aim of the research is the investigation of the structure and properties of single-layer and gradient coatings of the type (Ti,Al)N and Ti(C,N) deposited by physical vapour deposition technology (PVD) on the cermets substrate. The structural investigations include the metallographic analysis on the transmission and scanning electron microscope. Examinations of the chemical compositions of the deposited coatings were carried out using the X-ray energy dispersive spectrograph EDS, and using the X-ray diffractometer. The investigations include also analysis of the mechanical and

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Joska, Zdenek, Jaromir Kadlec, Vojtěch Hruby, Zbynek Studeny, and Tomas Binar. "Characteristics of Duplex Treated AISI 304 Stainless Steel." Key Engineering Materials 592-593 (November 2013): 437–40. http://dx.doi.org/10.4028/www.scientific.net/kem.592-593.437.

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The duplex treatment consisted of a plasma nitriding at 470 °C for 4 h and subsequent coating with TiN layer was applied on AISI 304L stainless steel. The article is concerned to a study of the chemical composition and mechanical properties of duplex system. GDOES method, laser confocal microscopy, nanohardness and indentation test were employed to characterize the chemical composition, depth profiles, surface morphology, hardness, adhesion. The results show that the duplex surface system possesses a desirable combination of properties especially hardness. Adhesion of PVD coating was increased

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Cao, Wei, Shyue Leh Chen, Suen Kit Wu, et al. "In-Situ Purification of Non-Ribosomal Peptide Synthetases Assembly Line for Structural and Biochemical Studies." International Journal of Molecular Sciences 26, no. 4 (2025): 1750. https://doi.org/10.3390/ijms26041750.

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Nonribosomal peptide synthetases (NRPS) are essential for the biosynthesis of therapeutically valuable molecules, including antibiotics, immunosuppressants, and anticancer agents. The assembly-line mechanism of NRPS offers significant potential for engineering novel natural products through reprogramming. However, the challenging purification of NRPS proteins has impeded the investigation of their assembly and catalytic mechanisms. In this study, we employed homologous recombination to insert a purification tag at the C-terminus of the NRPS gene within the chromosome. This genetic modification

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Zhang, Shen Zhi, Hong Yu Qi, Hong Wei Yang, Cheng Cheng Zhang, and Jing Yun Gao. "Measurement of Young’s Modulus of Thermal Barrier Coatings by Suspended Coupled Flexural Resonance Method." Applied Mechanics and Materials 853 (September 2016): 436–40. http://dx.doi.org/10.4028/www.scientific.net/amm.853.436.

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Thermal barrier coatings(TBCs) has been extensively used on hot section components of gas turbine engine, especially turbine blades. Young’s modulus of TBCs is a significant mechanical parameter in life prediction research of turbine blades, but it is hard to measure the EB-PVD thermal barrier coatings by conventional tensile/compression method for its brittleness and porous microstructure. Therefore, Young’s modulus mathematical model of double-layer beam structure specimen was deduced on the basis of the first-order beam bending vibration equation and composite beam bending equation. An expe

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Śliwa, A., J. Mikuła, K. Gołombek, W. Kwaśny, and D. Pakuła. "Internal Stresses in PVD Coated Tool Composites." Archives of Metallurgy and Materials 61, no. 3 (2016): 1371–78. http://dx.doi.org/10.1515/amm-2016-0225.

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Abstract The aim of work is the investigation of the internal stresses in PVD coated metal matrix composites (MMC). Sintered MMC substrate is composed of the matrix with the chemical composition corresponding to the high-speed steel, reinforced with the TiC type hard carbide phase. Functionally graded composition of MMC providing of high ductility characteristic of steel in the core zone as well as high hardness characteristic of cemented carbides in the surface zone. Internal stresses were determined with use of finite element method in ANSYS environment. The reason of undertaking the work is

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Kasprzycka, Ewa, Arkadiusz Więczkowski, and Bogdan Bogdański. "Increased durability of selected tools used in the rubber industry by hybrid treatment." Mechanik 92, no. 4 (2019): 257–62. http://dx.doi.org/10.17814/mechanik.2019.4.34.

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This research concerns hybrid layers of the CrC+CrN type, produced on the tool steel surface in subsequent processes, diffusion chromizing, carried out by inexpensive and technologically simple powder method, combined with the next arc evaporation treatment Arc PVD (arc evaporation physical vapour deposition), made for the deposition of chromium nitride coatings. Investigations of the microstructure of hybrid layers, as well as of their phase composition and concentration depth profiles of elements in diffusion zone of these layers, were carried out. In addition, the layers hardness, their tri

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