Fractal and multifractal characteristics of CVD coatings deposited onto the nitride tool ceramics

• Autorzy: Kwaśny W. , Pakuła D. , Woźniak M. , Dobrzański L. A.
• Konferencja: 12th International Scientific Conference CAM3S'2006, 27-30th November 2006, Gliwice-Zakopane
• Języki publikacji: EN

Abstrakty

EN

Purpose: The goal of this work is the fractal and multifractal characteristics of the TiN+Al2O3 and Al2O3+TiN coatings obtained in the CVD process on the Si3N4 tool ceramics substrate. Design/methodology/approach: The investigations were carried out of the multi-edge inserts from the Si3N4 nitride tool ceramics uncoated and coated with the TiN+Al2O3 and Al2O3+TiN coatings deposited in the CVD process. Determining the fractal dimension and the multifractal analysis of the examined coatings were made basing on measurements obtained from the AFM microscope, using the projective covering method. Findings: Investigations carried out confirm that the fractal dimension and parameters describing the multifractal spectrum shape may be used for characterizing and comparing surfaces of coatings obtained in the CVD processes and of the substrate material from the Si3N4 nitride tool ceramics. Research limitations/implications: Investigation or relationship between parameters describing the multifractal spectrum and physical properties of the examined materials calls for further analyses. Originality/value: Employment of multifractal geometry in materials engineering provides the opportunity to work out more complete, also quantitative, characteristics of properties of the investigated objects. Multifractal analysis makes it possible to characterise in the quantitative way the extent of irregularities of the analysed surface.

Słowa kluczowe

EN

computational material science; CVD coatings; multifractal geometry; AFM

PL

komputerowa nauka o materiałach; powłoki CVD; geometria fraktalna; AFM

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2007
• Tom: Vol. 20, nr 1-2
• Strony: 371--374
• Opis fizyczny: Bibliogr. 15 poz., fot., rys., tab.

Twórcy

autor

Kwaśny W.

autor

Pakuła D.

autor

Woźniak M.

autor

Dobrzański L. A.

• Division of Materials Processing Technology, Management and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18 a, 44-100 Gliwice, Poland,

Bibliografia

• [1] L.A. Dobrzański, Engineering materials and material design. Principles of materials science and physical metallurgy, WNT, Warszawa - 2006 (in Polish).
• [2] D. Pakuła, Structure and properties of the multi-layer PVD and CVD wear-resistant coatings on the Si3N4 nitride tool ceramics, PhD Thesis, Silesian University of Technology, Faculty of Mechanical Engineering, Gliwice, Poland, 2003, (in Polish).
• [3] Y. Sahin, G. Sur, The effect of A1203, TiN and Ti(C, N) based CVD coatings on tool wear in machining metal matrix composites, Surface and Coatings Technology, 179 (2004) 349-355.
• [4] K. Gołombek, LA. Dobrzański, M. Soković, Properties of the wear resistant coatings deposited on the cemented carbides substrates in the cathodic arc evaporation process, Journal of Materials and Processing Technology, 157-158 (2004) 341-347.
• [5] L.A. Dobrzański, D. Pakuła, “Structure and properties of the wear resistant coatings obtained in the PVD and CVD рrocesses on tool ceramics”, Materials Science Forum 513 (2006) 119-133.
• [6] L. Settineri, R. Levi, Surface properties and performance of multilayer coated tools in turning inconel, Annals of the CIRP 54/1 (2005) 515-518.
• [7] W. Kwaśny, J. Mikuła, L.A. Dobrzański, Fractal and multifractal characteristics of coatings deposited on pure oxide ceramics, Journal of Achievements in Materials and Manufacturing 17 (2006) 257-260.
• [8] W. Kwaśny, L.A. Dobrzański, M. Pawlyta, J. Mikuła, Multifractal characteristics of the PVD and CVD coatings put down onto the Al203+TiC oxide tool ceramics, Proceedings of the CAMS, Gliwice-Zakopane, 2005, 558-567.
• [9] W. Kwaśny, L.A. Dobrzański, Structure, physical properties and fractal character of surface topography of the Ti+TiC coatings on sintered high speed steel, Journal of Materials Processing Technology 164-165 (2005) 1519-1523.
• [10] W. Kwaśny, L.A. Dobrzański, M. Pawlyta, W. Gulbiński, Fractal nature of surface topography and physical properties of the coatings obtained using magnetron sputtering, Journal of Materials Processing Technology 157-158 (2004) 183-187.
• [11] Y. Hui-Sheng, S. Xia, L. Shou-Fu, W. Young-Rui, W. Zi-Qin Multifractal spectra of atomic force microscope images of amorphous electrless Ni-Cu-P alloy, Applied Surface Science (2002) 123-127.
• [12] A. Chaudhari, Ch.-Ch. Yan Sanders, S.-L. Lee, Multifractal analysis of growing surfaces, Applied Surface Science 238 (2004) 513-517.
• [13] X. Heping, J. Wang, M.A. Kwaśniewski, Multifractal characterization of rock fracture surfaces, International Journal of Rock Mechanics and Mining Science 36 (1999) 19-27.
• [14] S. Xia, F. Zhuxi, W. Ziqin: Multifractal analysisand scaling range of ZnO AFM images, Physica A 311 (2002) 327-338.
• [15] W. Kwaśny, K. Gołombek, L.A. Dobrzański, M. Pawlyta, Modelling of surface with the require geometrical features and their fractal and multifractal characteristic, Inżynieria Materiałowa 5 (2006) 1101-1106.