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Cr–B–N films were synthesized by unbalanced magnetron sputtering from a sintered Cr–B target with 20at% B in an Ar–N 2 discharge at varying N 2 partial pressures (pN2) of up to 64% of the total pressure (pAr+pN2=0.4Pa). Coating composition and microstructure were investigated by X-ray diffraction, X-ray photoelectron spectroscopy and wavelength-dispersive electron-probe microanalysis...
Transition metal (TM) boron nitrides are promising candidates for protective coatings with self-lubricating abilities as they can combine properties of TM diborides with the lubricity of hexagonal boron nitride (h-BN). Here, we report on Cr–B–N coatings prepared by unbalanced DC magnetron sputtering of a CrB 2 target in argon/nitrogen atmosphere at 450 °C. By varying the nitrogen partial pressure...
This paper reports on the preparation and characterization of CrBN nanocomposite coatings for low friction, low wear and high thermostability applications. Sputtered CrBN thin films were prepared in order to obtain a composite structure consisting of hard CrB 2 and CrN crystallites as well as hexagonal BN lubricant phase by unbalanced magnetron sputtering (UBM) of a CrB 2 target in...
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