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Effects of Duty Cycle on Texture Orientation and Composition of TiCx Nanostructured coatings

  • Nanoscale and Nanostructured Materials and Coatings
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Abstract

Nanostructured titanium carbide (TiCx) coatings are deposited on steel substrates by plasma chemical vapor deposition using three different duty cycles of 33, 40, and 50% and characterized by X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS). The relationship between the texture orientation/elemental concentration and duty cycle can be divided into two regimes, carbide (TiCx) state and oxycarbide (TiCxOy) state. The coatings crystallize into a TiC NaCl-type crystal structure (FCC) in the carbide and oxycarbide states and a smaller “x” in the TiCx coatings causes the transformation of the preferred orientation of (200) in the carbide state to (111) in the oxycarbide state. A poorly crystallized anatase phase is also observed from the coatings deposited using duty cycles of 40 and 50% and this anatase phase is detected from the oxycarbide state.

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Correspondence to Ali Shanaghi.

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Shanaghi, A., Chu, P.K. Effects of Duty Cycle on Texture Orientation and Composition of TiCx Nanostructured coatings. Prot Met Phys Chem Surf 54, 642–647 (2018). https://doi.org/10.1134/S207020511804024X

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  • DOI: https://doi.org/10.1134/S207020511804024X

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