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has been cited by the following article:

• TITLE: Electrospark Coatings Based on WC-Co Alloys with Aluminium Oxide and Carbon Additives

  AUTHORS: Sergey A. Pyachin, Sergey V. Nikolenko, Alexander A. Burkov, Nikolay A. Suy

  KEYWORDS: Electrospark Deposition; Coatings; Tungsten Carbide; Carbon; Aluminium Oxide; Wear; Microhardness

  JOURNAL NAME: Materials Sciences and Applications, Vol.4 No.3, March 29, 2013

  ABSTRACT: The structure and properties of coatings based on WC-Co alloys containing additives of 1% - 5% aluminium oxide and 2.5% - 4.5% carbon were investigated. The coatings had a nanocrystalline structure. Depending on the duration and frequency of the discharge pulses, the ratio between WC and W2C in the coatings was different. The additives in the hard alloy allowed us increase the microhardness and wear resistance of the coatings by a factor of 2 - 3 in comparison to coatings created using a conventional WC-10%Co alloy.