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<p>The microstructure, mechanical and microtribological properties were studies of the Al-Cr-(B)-N coatings synthesized by cathodic arc evaporation method. The deposition of the Al-Cr-(B)-N coatings was carried out by changing the boron concentration (from 0 to 20%) at a nitrogen pressure in the chamber of 4&#xa0;Pa at a constant arc current <i>I</i><sub>C</sub> = 80 and 100&#xa0;A, and a substrate bias voltage of − 100&#xa0;V. The structure and phase composition were determined using x-ray phase analysis, scanning electron microscopy and atomic force microscopy. Micromechanical properties were determined under constant and increasing load using the nanoindentation method. The microtribological properties of the coatings were determined by nanoscratch testing. Specific volumetric wear was determined after multicycle reciprocating microfriction. The influence of boron concentration and cathode current during deposition on the structure and microproperties of coatings has been established. The efficiency of using high-precision probe methods for characterizing surface properties of AlCrBN coatings at the micro- and nanolevel is demonstrated.</p>

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Influence of the Cathode Current on the Structure, Mechanical and Microtribological Properties of Al-Cr-(B)-N Coatings

  • 期刊论文

  • 发表日期：

    2025年3月24日

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  • V. Lapitskaya,
  • T. Kuznetsova,
  • B. Warcholinski,
  • A. Gilewicz,
  • A. Khabarova,
  • S. Chizhik

摘要

The microstructure, mechanical and microtribological properties were studies of the Al-Cr-(B)-N coatings synthesized by cathodic arc evaporation method. The deposition of the Al-Cr-(B)-N coatings was carried out by changing the boron concentration (from 0 to 20%) at a nitrogen pressure in the chamber of 4 Pa at a constant arc current IC = 80 and 100 A, and a substrate bias voltage of − 100 V. The structure and phase composition were determined using x-ray phase analysis, scanning electron microscopy and atomic force microscopy. Micromechanical properties were determined under constant and increasing load using the nanoindentation method. The microtribological properties of the coatings were determined by nanoscratch testing. Specific volumetric wear was determined after multicycle reciprocating microfriction. The influence of boron concentration and cathode current during deposition on the structure and microproperties of coatings has been established. The efficiency of using high-precision probe methods for characterizing surface properties of AlCrBN coatings at the micro- and nanolevel is demonstrated.