Investigation of nanostructured TiSiC-Zr and TiSiC-Cr hard coatings for industrial applications

C. Vitelaru, M. Balaceanu, A. Parau, C. R. Luculescu, A. Vladescu

Research output: Contribution to journal › Article

Abstract

TiSiC, TiSiC-Zr and TiSiC-Cr coatings, with Zr and Cr added to TiSiC base coating system, have been prepared by cathodic arc method in a CH₄ reactive atmosphere. All the coatings exhibited nanocomposite structures, mainly consisting of a mixture of crystalline face-centered cubic (FCC) carbide solid solutions, with a preferential (220) texture, and amorphous carbon phases. The coatings showed compact, homogeneous and featureless cross-sectional microstructures.Cr and Zr incorporation in TiSiC resulted in lattice distortion (from a lattice parameter of 0.4358nm for TiSiC, to 0.4536nm and 0.4320nm for TiSiC-Zr and TiSiC-Cr, respectively) and grain refinement. Also, alloying TiSiC led to a reduction of stress in the films, from -3.12GPa (TiSiC) to -2.37GPa (TiSiC-Cr) and -2.58GPa (TiSiC-Zr), and to film hardness changes (TiSiC: 35.2GPa; TiSiC-Zr: 42.1GPa; TiSiC-Cr: 31.4GPa). Of the investigated coatings, TiSiC-Zr exhibited the lower dry friction coefficient (~0.3) and the lowest wear rate (~2*10^-6 mm³N^-1m^-1).

Original language	English
Pages (from-to)	21-28
Number of pages	8
Journal	Surface and Coatings Technology
Volume	251
DOIs	https://doi.org/10.1016/j.surfcoat.2014.04.001
Publication status	Published - 25 Jul 2014
Externally published	Yes

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Keywords

Cathodic arc
Friction and wear
Structure
TiSiC, TiSiC-Zr and TiSiC-Cr coatings

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films
Materials Chemistry

Cite this

Vitelaru, C., Balaceanu, M., Parau, A., Luculescu, C. R., & Vladescu, A. (2014). Investigation of nanostructured TiSiC-Zr and TiSiC-Cr hard coatings for industrial applications. Surface and Coatings Technology, 251, 21-28. https://doi.org/10.1016/j.surfcoat.2014.04.001

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title = "Investigation of nanostructured TiSiC-Zr and TiSiC-Cr hard coatings for industrial applications",

abstract = "TiSiC, TiSiC-Zr and TiSiC-Cr coatings, with Zr and Cr added to TiSiC base coating system, have been prepared by cathodic arc method in a CH4 reactive atmosphere. All the coatings exhibited nanocomposite structures, mainly consisting of a mixture of crystalline face-centered cubic (FCC) carbide solid solutions, with a preferential (220) texture, and amorphous carbon phases. The coatings showed compact, homogeneous and featureless cross-sectional microstructures.Cr and Zr incorporation in TiSiC resulted in lattice distortion (from a lattice parameter of 0.4358nm for TiSiC, to 0.4536nm and 0.4320nm for TiSiC-Zr and TiSiC-Cr, respectively) and grain refinement. Also, alloying TiSiC led to a reduction of stress in the films, from -3.12GPa (TiSiC) to -2.37GPa (TiSiC-Cr) and -2.58GPa (TiSiC-Zr), and to film hardness changes (TiSiC: 35.2GPa; TiSiC-Zr: 42.1GPa; TiSiC-Cr: 31.4GPa). Of the investigated coatings, TiSiC-Zr exhibited the lower dry friction coefficient (~0.3) and the lowest wear rate (~2*10-6 mm3N-1m-1).",

keywords = "Cathodic arc, Friction and wear, Structure, TiSiC, TiSiC-Zr and TiSiC-Cr coatings",

author = "C. Vitelaru and M. Balaceanu and A. Parau and Luculescu, {C. R.} and A. Vladescu",

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T1 - Investigation of nanostructured TiSiC-Zr and TiSiC-Cr hard coatings for industrial applications

AU - Vitelaru, C.

AU - Balaceanu, M.

AU - Parau, A.

AU - Luculescu, C. R.

AU - Vladescu, A.

PY - 2014/7/25

Y1 - 2014/7/25

N2 - TiSiC, TiSiC-Zr and TiSiC-Cr coatings, with Zr and Cr added to TiSiC base coating system, have been prepared by cathodic arc method in a CH4 reactive atmosphere. All the coatings exhibited nanocomposite structures, mainly consisting of a mixture of crystalline face-centered cubic (FCC) carbide solid solutions, with a preferential (220) texture, and amorphous carbon phases. The coatings showed compact, homogeneous and featureless cross-sectional microstructures.Cr and Zr incorporation in TiSiC resulted in lattice distortion (from a lattice parameter of 0.4358nm for TiSiC, to 0.4536nm and 0.4320nm for TiSiC-Zr and TiSiC-Cr, respectively) and grain refinement. Also, alloying TiSiC led to a reduction of stress in the films, from -3.12GPa (TiSiC) to -2.37GPa (TiSiC-Cr) and -2.58GPa (TiSiC-Zr), and to film hardness changes (TiSiC: 35.2GPa; TiSiC-Zr: 42.1GPa; TiSiC-Cr: 31.4GPa). Of the investigated coatings, TiSiC-Zr exhibited the lower dry friction coefficient (~0.3) and the lowest wear rate (~2*10-6 mm3N-1m-1).

AB - TiSiC, TiSiC-Zr and TiSiC-Cr coatings, with Zr and Cr added to TiSiC base coating system, have been prepared by cathodic arc method in a CH4 reactive atmosphere. All the coatings exhibited nanocomposite structures, mainly consisting of a mixture of crystalline face-centered cubic (FCC) carbide solid solutions, with a preferential (220) texture, and amorphous carbon phases. The coatings showed compact, homogeneous and featureless cross-sectional microstructures.Cr and Zr incorporation in TiSiC resulted in lattice distortion (from a lattice parameter of 0.4358nm for TiSiC, to 0.4536nm and 0.4320nm for TiSiC-Zr and TiSiC-Cr, respectively) and grain refinement. Also, alloying TiSiC led to a reduction of stress in the films, from -3.12GPa (TiSiC) to -2.37GPa (TiSiC-Cr) and -2.58GPa (TiSiC-Zr), and to film hardness changes (TiSiC: 35.2GPa; TiSiC-Zr: 42.1GPa; TiSiC-Cr: 31.4GPa). Of the investigated coatings, TiSiC-Zr exhibited the lower dry friction coefficient (~0.3) and the lowest wear rate (~2*10-6 mm3N-1m-1).

KW - Cathodic arc

KW - Friction and wear

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10.1016/j.surfcoat.2014.04.001