Influence of atmosphere composition on the structure and properties of aluminum oxynitride coatings deposited by PLD method

• Autorzy: Piwowarczyk J. , Jędrzejewski R. , Baranowska J.

Identyfikatory

DOI

10.15199/28.2016.1.4

Warianty tytułu

PL

Wpływ składu atmosfery na budowę i właściwości powłok z tlenoazotku glinu otrzymanych metodą PLD

• Języki publikacji: EN

Abstrakty

EN

This work presents studies on the influence of oxygen content in reaction atmosphere during pulsed laser deposition on the structure and properties of aluminium oxynitride films. The coatings were grown on monocrystalline Si substrates. Aluminium nitride bulk disk was used as a target. The film deposition took place at room temperature and pressure of 0.5 Pa with varying content of oxygen and nitrogen. Thickness and roughness of the coatings were measured by profilometer. The X-ray diffractometer (XRD) was used for phase analysis of the coatings. Chemical composition was evaluated using X-ray microanalysis (EDS) by means of scanning electron microscopy (SEM). The surface topography was examined using an atomic force microscopy (AFM). Hardness of the coatings was measured by means of nanoindentation. Adhesion was evaluated in microscratch tests and the morphology of the residual scratch was characterized by AFM. Results showed that it was possible to obtain coatings composed of oxynitrides with different stoichiometry. Mechanical properties of the obtained coatings, however, were significantly different from those demonstrated by ALON ceramic. The content of oxygen in the coatings had an influence on the decreasing hardness and Young’s modulus and improved adhesion. There was no influence on thickness and roughness but the lowest number of droplets was noticed in the coatings obtained in pure oxygen.

PL

Celem pracy było zbadanie wpływu zawartości tlenu w atmosferze roboczej na budowę i właściwości powłok z tlenoazotku glinu osadzanych metodą pulsacyjnej ablacji laserowej (PLD).

Słowa kluczowe

EN

aluminum oxynitride; thin ceramic film; pulsed laser deposition

PL

tlenoazotek glinu; cienkie warstwy ceramiczne; pulsacyjna ablacja laserowa

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Inżynieria Materiałowa
• Rocznik: 2016
• Tom: Vol. 37, nr 1
• Strony: 23--28
• Opis fizyczny: Bibliogr. 22 poz., fig., tab.

Twórcy

autor

Piwowarczyk J.

• Institute of Materials Science and Engineering, West Pomeranian University of Technology, Szczecin, Poland

autor

Jędrzejewski R.

• Institute of Materials Science and Engineering, West Pomeranian University of Technology, Szczecin, Poland

autor

Baranowska J.

• Institute of Materials Science and Engineering, West Pomeranian University of Technology, Szczecin, Poland

Bibliografia

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.