Journal of Inorganic Materials, Volume. 39, Issue 6, 715(2024)

Nitrogen Vacancy Regulated Lattice Distortion on Improvement of (NbMoTaW)Nx Thin Films: Mechanical Properties and Wear Resistance

Rui ZHANG, Kan ZHANG*, Mengya YUAN, Xinlei GU, and Weitao ZHENG
Author Affiliations
  • State Key Laboratory of Superhard Materials, College of Materials Science and Engineering, Jilin University, Changchun 130012, China
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    Figures & Tables(9)
    SEM images and corresponding EDS mappings of the surfaces for (a) NbMoTaW, (b) (NbMoTaW)N0.59, (c) (NbMoTaW)N0.80, and (d) (NbMoTaW)N0.95 thin films
    Analysis of the structural change trends
    Bond-length distributions of (NbMoTaW)Nx (x = 0.59, 0.81, 1.00)
    Schematic diagram of charge density on the (001) plane of (NbMoTaW)Nx compounds when x = (a) 1.00, (b) 0.81, (c) 0.59
    Trends in lattice distortions of nitrogen and metal sublattices in (NbMoTaW)Nx (x = 0.59, 0.81, 1.00) as function of nitrogen content x evaluated by two methods
    (a) H and E values, (b) H/E and H3/E2 ratio values, and (c) corresponding residual stress values for (NbMoTaW)Nx thin films
    SEM images of wear tracks at 10000 laps and corresponding EDS mappings for (a) NbMoTaW, (b) (NbMoTaW)N0.59, (c) (NbMoTaW)N0.80, and (d) (NbMoTaW)N0.95 thin films
    Density of states (DOS) and partial density of states (PDOS) for (a) (NbMoTaW)N0.59, (b) (NbMoTaW)N0.81 and (c) (NbMoTaW)N, and (d) DOS at the Fermi level for the three thin films
    Trend in hardness of (NbMoTaW)Nx (x = 0.59, 0.81, 1.00) with respect to lattice distortion
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    Rui ZHANG, Kan ZHANG, Mengya YUAN, Xinlei GU, Weitao ZHENG. Nitrogen Vacancy Regulated Lattice Distortion on Improvement of (NbMoTaW)Nx Thin Films: Mechanical Properties and Wear Resistance [J]. Journal of Inorganic Materials, 2024, 39(6): 715

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    Paper Information

    Category:

    Received: Dec. 7, 2023

    Accepted: --

    Published Online: Jul. 31, 2024

    The Author Email: Kan ZHANG (kanzhang@jlu.edu.cn)

    DOI:10.15541/jim20230564

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