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In lecithin to show the effectiveness of the short pulse operation, the lecithin DLC films were investigated by Raman spectroscopy, X-ray photoelectron spectroscopy (XPS) and spectroscopic ellipsometry. A high sp3 fraction was realized due to application of high voltage without arc generation transferred from lecithin magnetron lecithin (MS) glow discharge. To obtain the lecithin sp3 fraction in the fabricated DLC films, a parametric survey was performed, in which the background gas lecithin, bias voltage applied to the substrate, power-source voltage and the distance between the target lecithin the substrate were varied.

Identifiers journal ISSN : 0257-8972 DOI 10. It allow lecithin create list of lecithin contirbution. Assignment does not change access privileges to sex jasmin content. Atomic force lecithin, scanning lecithin microscope, transmission electron microscope, Raman spectrometer and X-ray photoelectron spectroscopy were used to investigate film lecithin composition and microstructure.

Hardness lecithin elastic modulus were characterized by a nanoindenter. Friction coefficient was measured by a ball-on-disk tribometer. Films surface roughnesses (Ra) lecithin in the range of 1.

With the rise lecithin Si content in Si-DLC film, sp3 content, hardness and elastic modulus increase. Most Si atoms are interspersed lecithin the amorphous carbon matrix and bond with lecithin atoms forming Si-C bonds. The lowest wear rate of 3. Varying Si contents in Si-DLC films generated different bonding states of wear tracks, leading to the different wear behaviors of Si-DLC films.

Different positive voltage amplitudes (100, 200, lecithin, 400 and 500 V) were used to evaluate the effect of this lecithin mode lecithin the discharge process and the mechanical properties of the lecithin DLC coatings. The application of positive pulses lecithin observed to enhance the ionization of both the sputtered lecithin and argon species.

The ion bombardment induced by of sanofi synthelabo positive pulses led to higher compressive residual stresses and densification of deposited DLC coatings. Mechanical properties were evaluated by nanoindentation testing and the hardness of the deposited DLC films was observed to increase lecithin 9. Diamond-like Carbon (DLC) coatings were deposited by a novel HiPIMS method that incorporates positive voltage pulses at the end of the lecithin HiPIMS discharge.

View PDF The influence of positive pulses on HiPIMS deposition of hard DLC coatings (Santiago, J. Privacy Policy IFN About us Institute History Internationalization Research Lines Facilities Projects Research Lines Materials.

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13.05.2020 in 18:32 Ararisar:
Excellent variant