Improving adhesion and wear resistance of carbon coatings using Ti:C gradient layers

• Autorzy: Cłapa M. , Batory D.
• Konferencja: 12th International Scientific Conference CAM3S'2006, 27-30th November 2006, Gliwice-Zakopane
• Języki publikacji: EN

Abstrakty

EN

Purpose: Very interesting combination of mechanical, physical and chemical properties of carbon films results in may possibilities of their industrial applications. Unfortunately the area of their usability is restricted due to poor adhesion caused by high internal stress. This problems are being solved using many different techniques including the deposition of Me:C (metal containing) gradient layers. A new deposition system allowing for simultaneous radio frequency plasma activated chemical vapour depostion (RF PACVD) and DC magnetron sputtering is presented in this paper. Design/methodology/approach: Ti:C gradient carbon layers were deposited on steel in a hybrid deposition chamber, employing radio frequency (13.56 MHz) plasma and DC magnetron sputtering. Layers with different thicknesses obtained by varied deposition parameters were examined. Friction coefficients and wear resistances were measured using the ball-on-disc method. Findings: Presented hybrid deposition system makes it possible to obtain thicker and still well adherent layers. Wear resistance was also improved noticeably and became several times better then for carbon layers with the same friction parameters. Research limitation/implications: Owed to the plasma based deposition method is the difficulty in covering complicated shapes. Use of materials other than titanium as a magnetron target, although certainly possible, is not covered in this paper. Practical implications: Ti:C gradient layers offer better wear resistance and allow for obtaining thicker carbon layers important in many tribological applications. They can be used where low friction coefficients are required. Originality/value: The combination of plasma deposition and magnetron sputtering in one process. This allows us to obtain varied gradients of chemical and phase composition in the deposited layers.

Słowa kluczowe

EN

thin and thick coatings; carbon coatings; layer; adhesion; gradient

PL

cienkie i grube powłoki; powłoki węglowe; warstwa; adhezja; gradient; powłoki gradientowe

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2007
• Tom: Vol. 20, nr 1-2
• Strony: 415--418
• Opis fizyczny: Bibliogr. 15 poz., fot., rys.

Twórcy

autor

Cłapa M.

autor

Batory D.

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

Bibliografia

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