Low friction and wear resistant nanocomposite nc-MeC/a-C and nc-MeC/a-C:H coatings

• Autorzy: Włodarczyk, K. , Makówka, M. , Nolbrzak, P. , Wendler, B.
• Języki publikacji: EN

Abstrakty

EN

Purpose: Elaboration of nanocomposite, low friction and wear resistant coatings in order to increase the life-time and reliability of friction couples especially in aviation industry, car industry and of cutting tools. These coatings consist of nanocrystallites of chromium or titanium carbides built into amorphous carbon matrix. Design/methodology/approach: Coatings type nc-MeC/a-C and nc-MeC/a-C:H (where Me means Cr or Ti transition metal) are deposited by a PVD method based on magnetron sputtering of pure Ti or Cr and pure graphite targets in the atmosphere of Ar or Ar+H2, respectively. The coatings are deposited onto the surface of quenched and tempered HSS steel Vanadis23 and diffusion hardened titanium alloy Ti6Al4V. Findings: Depending on deposition parameters, like the power ratio of transition metal to carbon targets or the substrate bias, it is possible to obtain different morphological and tribological properties of coatings. These latter are very important for designing friction couples in mechanical applications. Originality/value: The coatings are characterized of very low friction coefficient (0.06 for nc-TiC/a-C and 0.08 for nc-TiC/a-C:H and nc-CrC/a-C:H coatings).

Słowa kluczowe

PL

nanokompozyt; niskie tarcie; odporność na ścieranie; napylanie magnetronowe

EN

nanocomposite; low friction; wear resistance; magnetron sputtering

• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2009
• Tom: Vol. 37, nr 2
• Strony: 354-360
• Opis fizyczny: Bibliogr. 29 poz., rys., tabl.

Twórcy

autor

Włodarczyk, K.

autor

Makówka, M.

autor

Nolbrzak, P.

autor

Wendler, B.

• Institute of Materials Science and Engineering, Technical University of Lodz, ul. Stefanowskiego 1/15, 90-924 Łódź, Poland,

Bibliografia

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