Oxidation behavior of molybdenum nitride coatings

Solak, Nuri; Üstel, Fatih; Ürgen, Mustafa; Aydın, Serkan; Çakır, Ali

doi:10.1016/s0257-8972(03)00702-3

Cited by 78 publications

(34 citation statements)

References 16 publications

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“…The lifetime of the lubricating silver layer was short due to excessive softening of the surface at a high fraction of its melting point [11,23], and the lack of lubricant supply to the worn area. Additionally, lubrication by MoO 3 formation was likely to be limited, since 500°C is the lower limit at which Mo oxidation reactions occur in air [20,24]. Also, the residual YSZ-Mo coating became porous with the silver removed (figure 5) after one thermal cycle, resulting in an irreversible change in morphology and degradation of the mechanical properties after of the coating after heating.…”

Section: Monolithic Nanocomposite Coatingmentioning

confidence: 99%

Multilayered YSZ–Ag–Mo/TiN adaptive tribological nanocomposite coatings

Muratore

Voevodin

et al. 2006

Tribol Lett

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Adaptive nanocomposite coatings provide low friction in broad ranges of environmental conditions through the formation of lubricious surfaces resulting from interactions with the ambient atmosphere. Designing adaptive coatings to withstand wear through repeated thermal cycles is particularly difficult since most demonstrate irreversible changes in surface composition and morphology. This permanent change in the condition of the surface limits the utility of adaptive coatings in applications where thermal cycling is expected. Moreover, some lubrication mechanisms occur over the entire coating surface in addition to the area experiencing wear, which results in a significant waste of lubricant. In an effort to increase the wear lifetime and move toward thermal cycling capabilities of solid adaptive lubricants, a multilayer coating architecture incorporating two layers of adaptive YSZ-Ag-Mo nanocomposite lubricant separated by a TiN diffusion barrier was produced. The multilayer coating lasted over five times longer than a monolithic adaptive coating of identical composition and total thickness for dry sliding tests at 500°C in air. Analysis of the structure and composition of the films after heating suggests directed, lateral diffusion of lubricant beneath the diffusion barrier toward the wear scar as a mechanism for the increased wear life of the multilayer coating.

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Section: Monolithic Nanocomposite Coatingmentioning

confidence: 99%

Multilayered YSZ–Ag–Mo/TiN adaptive tribological nanocomposite coatings

Muratore

Voevodin

et al. 2006

Tribol Lett

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“…In particular, wear resistance of these coatings can be increased by improving their hardness and tribological properties following the formation of products that act as solid lubricants during friction [4][5][6][7][8][9][10][11][12]. Thus, presence of Mo in the (Ti-N) coating can cause formation of lubricious MoO 3 oxide during friction.…”

Section: Introductionmentioning

confidence: 99%

“…These structural characteristics result in significantly improved hardness while plasticity and resistance to cracks formation of the coating material is maintained [15,16]. 6 This paper presents the results of properties study of Ti-Al-Mo-N nanostructured coatings obtained by arc-PVD method. Deposition of coatings by arc-PVD makes it possible to produce nanostructured and multilayered coatings, and adjust their modulation period.…”

Section: Introductionmentioning

confidence: 99%

Wear behaviour of wear-resistant adaptive nano-multilayered Ti-Al-Mo-N coatings

Сергевнин

Блинков

Volkhonskii

et al. 2016

Applied Surface Science

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“…The transition metal nitrides can be prepared as thin films or coatings by several techniques such as: (i) chemical vapour deposition (CVD) [1,2], (ii) physical vapour deposition (PVD) [3], (iii) arc-physical vacuum deposition [4], (iv) microwave plasma [5], (v) magnetron sputtering [6][7][8][9], (vi) multipulse laser irradiation [10,11] and, (vii) ion implantation [12].…”

Section: Introductionmentioning

confidence: 99%

“…Solak et al [3], studied the oxidation behaviour of MoN coatings by employing gravimetric tests. They observed that the oxidation resistance of MoN coatings is poor as a result of their non-protective nature and the volatility of the oxides at moderately high temperatures.…”

Section: Introductionmentioning

confidence: 99%

The wet corrosion of Mo and Mo-Ti alloy thin film - Part IV: The effect of nitriding

Tomachuk

Mitton

Špringer

et al. 2006

Materials and Corrosion

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A considerable number of detailed investigations have been carried out on the deposition and characterisation of molybdenum and molybdenum-titanium-nitride films by employing a variety of techniques. However, very little is currently known about the effect of composition (N 2 /Ar flow rate) on the corrosion properties of MoN and MoTiN thin films for aggressive ambient conditions. In this work, the electrochemical and corrosion behaviour of MoN and MoTiN thin films, produced by Physical Vapour Deposition (PVD) with different N 2 /Ar flow rates, has been investigated by Electrochemical Impedance Spectroscopy (EIS) in aerated alkaline chloride solution and compared with the behaviour of pure molybdenum in the same environment. Results obtained indicate that increasing nitrogen content in the film leads to a beneficial effect on the corrosion resistance, but results in decreased electrical conductivity of the film that may limit their application as back contact in photovoltaic modules.

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Oxidation behavior of molybdenum nitride coatings

Cited by 78 publications

References 16 publications

Multilayered YSZ–Ag–Mo/TiN adaptive tribological nanocomposite coatings

Multilayered YSZ–Ag–Mo/TiN adaptive tribological nanocomposite coatings

Wear behaviour of wear-resistant adaptive nano-multilayered Ti-Al-Mo-N coatings

The wet corrosion of Mo and Mo-Ti alloy thin film - Part IV: The effect of nitriding

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