Materials Literature
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AZ91D magnesium alloy intended for anticorrosion and anti-wear applications. The investigated composite layers were obtained with the use of the hybrid surface treatment technology, which consist of diffusion treatment in Al powder followed by electron beam deposition method. In order to present the technical realizat…
In the presented study a tubular plasma reactor is investigated, which is normally used for the continuous plasma surface modification of fine-grained powders. The plasma reactor basically consists of a 1.5 m long glass tube with a gas and precursor feed unit at its top and a particle-gas separation unit at the lower…
This study deals with plasma polymer films deposited on silicon substrates using tetravinylsilane monomer. The deposition technique was plasma-enhanced chemical vapour deposition. Nanoindentation was used as a method to investigate mechanical properties of samples prepared at different RF powers. The Young’s modulus a…
Carbon is a versatile building element of many interesting materials that have already find practical applications in the form of thin films (diamond, DLC) or potential applications in the form of nanostructures (fullerenes, carbon nanotubes, graphene). For electronics or sensors, it is important to provide a very goo…
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The efficiency of optics used in extreme ultraviolet (EUV) range suffers from reflectivity degradation due to oxidation and carbon contamination of mirror surfaces. Therefore, an efficient cleaning procedure should be ascertained in order to facilitate applications of EUV lithography tools. Carbon contamination remova…
Using the vacuum-arc source with the HF discharge, nano-structured hard and super-hard coatings based on Ti-Hf-N(Fe), Ti-Hf-Si-N, Ti-Zr-Si-N, and (Ti, Zr, Hf, Nb, V)N of 1.2µm to 2.5µm thickness were manufactured. The coatings were studied using the proton micro-beam µ-PIXE, RBS, SIMS, SEM with EDS, XRD, and tested fo…
The chromium nitride thin films are studied since several years and are widely use in mechanical applications as corrosion barrier. It has already been established that magnetron sputtering can improve by many ways the chromium nitride properties such as hardness, adhesion, oxidation resistance. A new development of t…
Hydroxyapatite (HA) is widely used as a bio-medical coating on press-fit (cementless) orthopaedic implants to enhance the biological response of the device. Presently atmospheric plasma spray (APS) is the most widely applied technology for the deposition of such bio-medical coatings. There have been concerns however,…
There is great interest in improving the wear and friction of a wide variety of machine components, e.g. gear systems, gears. In modern technology, due to the increase of the unit pressure, velocities, and hence temperatures in the tribosystems of machines, a risk of a very dangerous form of wear exists. This form is…
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Plasma polymer deposition is the method of choice for the finishing of metallic implant materials like titanium with nitrogen-containing bioactive coatings. The deposited cell-adhesive plasma polymer films have to possess special properties such as homogeneity, film stability on air as well as in different media, suff…
Diamond-like-carbon films (DLC) are hard coatings with a very low friction coefficient, a high wear resistance and chemically inert. However, these coatings have adhesion problems on metallic substrates, because the high residual stresses in the DLC films cause failure of the interface between the film and the substra…
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New simple and duplex coatings were elaborated by triode sputtering and ionic nitriding, imposed to low alloy steel and characterized by the mean of various experimental techniques (EDS, XPS, XRD, SEM, TEM, FTIR, …). Their ability to protect substrate against corrosion and wear has been evaluated. These deposits are e…
International audience
International audience
International audience
This handy volume is a ready "go to" reference for the chemical engineer, process engineer, or chemist working with the industrial chemicals and processes involving corrosion protection, high temperature and pressure services.The volume provides an assembly of useful engineering and properties data on materials of sel…
ADVERTISEMENT RETURN TO ISSUEPREVAddition/CorrectionNEXTORIGINAL ARTICLEThis notice is a correctionCorrection to "Site-Selective Excitation of "Exciplex Tuning" for Luminescent Nanoclusters of Dicyanoargentate(I) Ions Doped in Different Alkali Halide Crystals"Francois Baril-Robert, Xiaobo Li, David A. Welch, Benjamin…