Structural and mechanical properties of boron nitride thin films deposited on steel substrates by pulsed laser deposition

• Autorzy: Gocman K. , Kałdoński T. , Mróz W. , Burdyńska S. , Prokopiuk A.
• Języki publikacji: EN

Abstrakty

EN

The article presents preliminary results of investigation on structure, morphology and mechanical properties of boron nitride thin films prepared by pulsed laser deposition on various steel substrates. In order to improve adhesion and reduce internal stresses, substrates were subjected to gas nitriding. To increase gas ionization in the chamber and provide the deposited particles with higher energy RF discharge generator was used. Structure and morphology of coatings were examined by atomic force microscopy (AFM) and Fourier transform infrared spectroscopy (FTIR). Mechanical properties like nanohardness (sclerometric) and elastic modulus (using approach curves) were characterized by UNMT. Adhesion of coatings was measured by scratch tests; critical load was determined on the basis of microscopic observation and friction force and acoustic emission runs. On the basis of obtained results, possibility of using steel as substrate for BN thin films deposition was confirmed. Stable, crystalline, multiphase coatings with good adhesion to the steel substrate were obtained. It was also proved that mechanical properties of prepared coatings and their adhesion to the substrates strongly depend on the type of the substrate. In the next stage tribological properties of BN, coatings will be examined in particular in terms of wear resistance and friction coefficient between coatings and steel.

Słowa kluczowe

EN

boron nitride; pulsed laser deposition; nanohardness; elastic modulus; critical load

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2011
• Tom: Vol. 18, No. 1
• Strony: 149--156
• Opis fizyczny: Bibliogr. 8 poz., rys.

Twórcy

autor

Gocman K.

autor

Kałdoński T.

autor

Mróz W.

autor

Burdyńska S.

autor

Prokopiuk A.

• Military University of Technology, Faculty of Mechanical Engineering Institute of Motor Vehicles and Transportation 2Institute of Optoelectronics Gen. S. Kaliskiego Street 2, 00-908 Warsaw, Poland tel.:[phone],

Bibliografia

• [1] Mirkarimi, P. B., McCarty, K. F., Medlin, D. L., Review of advances in cubic boron nitride film synthesis, Materials Science and Engineering, R21 pp. 41-100, 1997.
• [2] Pauleau, Y., Friction Mechanism and Fundamental Aspects in Solid Lubricant Coatings, Materials Surface Processing by Directed Energy Techniques, pp. 573-593, 2006.
• [3] Luculescu, C. R., Miyake, H., Sato, S., Deposition of BN thin films onto Si(1 0 0) substrate by LD with nanosecond and femtosecond pulses in nitrogen gas background, Applied Surface Science, 197-198, pp. 499-504, 2002.
• [4] Klotzbucher, T., Mergens, M., Wesner, D. A., Kreutz, E. W., Properties of cubic boron nitride thin films deposited by hybrid RF-PLD technique, Surface and Coatings Technology, 100-101, pp. 888-392, 1998.
• [5] Yan, P., Yang, S., Pulse plasma beam deposition of cubic boron nitride films on GCr15 steel bearing substrate room temperature, Applied Surface Science 90 pp. 149-153, 1995.
• [6] Weissmantel, S., Reisse, G., Keiper, B., Schulze, S., Microstructure and mechanical properties of pulsed laser deposited boron nitride films, Diamond and Related Materials, 8 pp. 377-381, 1999.
• [7] Mróz, W., Kosydar, R., Jelinek, M., Kocourek, T., Major, B., Phase formation and microstructure of boron nitride thin layers deposited using Nd:YAG and KrF lasers, Surface & Coatings Technology 200, pp. 6438–6443, 2006.
• [8] Kałdoński, T., Tribologiczne zastosowania azotku WAT, Warszawa 2006.