a 2014

Influence of Ni dopping on structure and mechanical properties of nc-TiC/a- C:H coatings

DANIEL, Josef, Pavel SOUČEK, Vilma BURŠÍKOVÁ, Ondřej CAHA, Monika STUPAVSKÁ et. al.

Basic information

Original name

Influence of Ni dopping on structure and mechanical properties of nc-TiC/a- C:H coatings

Authors

DANIEL, Josef (203 Czech Republic, belonging to the institution), Pavel SOUČEK (203 Czech Republic, belonging to the institution), Vilma BURŠÍKOVÁ (203 Czech Republic, belonging to the institution), Ondřej CAHA (203 Czech Republic, belonging to the institution), Monika STUPAVSKÁ (703 Slovakia, belonging to the institution), Lukáš ZÁBRANSKÝ (203 Czech Republic, belonging to the institution) and Petr VAŠINA (203 Czech Republic, guarantor, belonging to the institution)

Edition

EMRS 2014 Spring Meeting, 2014

Other information

Language

English

Type of outcome

Konferenční abstrakt

Field of Study

10305 Fluids and plasma physics

Country of publisher

France

Confidentiality degree

není předmětem státního či obchodního tajemství

References:

RIV identification code

RIV/00216224:14310/14:00073765

Organization unit

Faculty of Science

Keywords in English

nickel; titanium carbide; magnetron sputtering; nanocomposite; thin films

Tags

International impact
Změněno: 30/7/2014 14:05, Mgr. Josef Daniel, Ph.D.

Abstract

V originále

Nanocrystalline titanium carbide embedded in an amorphous (hydrogenated) carbon matrix is a versatile nanocomposite material which, being deposited as thin film, combines the properties of hard titanium carbide nanocrystallites and relatively soft hydrogenized carbon matrix. Hybrid PVD-PECVD process of titanium sputtering in a mixture of argon and acetylene at optimized deposition conditions enables us to deposit superhard nc-TiC/a-C:H coating with hardness and Young’s modulus over 40 GPa and 400 GPa, respectively with good adhesion on Ti coated HSS and WC and thickness higher than 5 µm. Further mprovement of the mechanical properties of these coatings was tested by adding third, non carbide formig, element by placing small number of nickel evaporation pellets on the racetrack of the magnetron target. Set of samples with different Ti/C ratio was prepared for different Ni doses. Influence of the Ni content on the properties of nc-TiC/a-C:H system was evaluated. XRD was used to determine crystalite size and latice parameter; depth sensing indenter to get hardness and Young modulus. XPS and EDX provided chemical composition of prepared samples. This research has been supported by the CZ.1.05/2.1.00/03.0086 and GACR P205/12/0407 projects.

Links

ED2.1.00/03.0086, research and development project
Name: Regionální VaV centrum pro nízkonákladové plazmové a nanotechnologické povrchové úpravy
GAP205/12/0407, research and development project
Name: Porozumění hybridnímu PVD-PECVD procesu s cílem řídit růst nanostrukturovaných kompozitních vrstev
Investor: Czech Science Foundation