Effect of ion bombardment and micro-blasting on the wear resistance properties of hard TiN coatings

Mundotia, Rajesh; Kothari, D.C.; Кале, А.; Mhatre, Umesh; Date, Kenji; Thorat, Nirmala; Ghorude, T.

doi:10.1016/j.matpr.2019.12.171

Cited by 13 publications

(5 citation statements)

References 31 publications

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“…The modification of a surface with a thin coating, called also deposition, is used in the manufacture of many of the industrial products we encounter every day. In the case of metal elements, such as drills, the coating can consist of titanium nitride (TiN ), chromium nitride (CrN ), or a mixture thereof [1]. Bio-compatible protective layers for joint implants in medical applications are manufactured in a similar process [2], whereas another example is thin optical coatings, which nowadays are an inherent part of the glass industry.…”

Section: Plasma Processing Techniquesmentioning

confidence: 99%

High Performance Power Supplies for Plasma Materials Processing

2021

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Integrated circuits, flat panel displays, solar panels, architectural glass, high resolution camera and many other products are landmarks of the 21 st century. All of these different everyday objects have one thing in common -they are manufactured using plasma processing techniques. The aim of this paper is to introduce this silent hero of modern industry, to a broader audience. An evaluation is made of common types of power converters within the scope of plasma processing applications, while the key requirements and future challenges for such power supplies are discussed.INDEX TERMS Plasma applications, plasma materials processing, power conversion, power electronics.

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Section: Plasma Processing Techniquesmentioning

confidence: 99%

High Performance Power Supplies for Plasma Materials Processing

2021

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“…Ar + bombardment of the substrate prior to the sputtering process increases the substrate surface roughness and thus enhances the adhesion strength of the coating to the substrate (Cai et al , 2018). Ion bombardment can also be implemented during the sputtering process or used as a post-treatment (Korusenko et al , 2020; Mundotia et al , 2020). Xi et al (2022) used Ar ions to post-treat HfO 2 films deposited on BK-7 glass substrates and found that they were effective for improving the laser-induced damage threshold of HfO 2 thin films.…”

Section: Introductionmentioning

confidence: 99%

Effect of post-treated methods on corrosion resistance of MF-DC magnetron sputtering Al coating on TC4

Li,

Zhang,

et al. 2023

ACMM

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Purpose This study aims to investigate the effect of post-treatment on anti-corrosion performance of Al coating on the surface of Ti-6Al-4V (TC4) fastener. Design/methodology/approach The Al coatings with different layer structures were prepared on TC4 by middle-frequency and direct-current combined magnetron sputtering. The cross-sectional morphology and surface roughness of coatings were characterized by scanning electron microscope and atomic force microscope. The corrosion resistance was evaluated by electrochemical method. The monolayer coating was post-treated by Alodine chemical conversion, Ar+ bombardment and a combination of two methods above. Findings The results show that the interfaces in bilayer and trilayer coatings reduce the defects. Ar+ bombardment reduces the corrosion current density, and Alodine chemical conversion leads to a higher pitting corrosion potential. The combined post-treatment has the highest polarization resistance. Originality/value The corrosion resistance of the Al coating is enhanced as the layer quantity increases. The combination of two post-treatments, Ar+ bombardment and Alodine chemical conversion, could achieve an overall improvement in corrosion resistance of Al coating.

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“…As reported, proper surface modification of the substrates can effectively improve the adhesion of DLC films. The common surface modification methods include adding transition layer, ion implantation, and sandblasting 25–30 . Less hardness difference is benefit to getting better adhesion.…”

Section: Introductionmentioning

confidence: 99%

“…The common surface modification methods include adding transition layer, ion implantation, and sandblasting. [25][26][27][28][29][30] Less hardness difference is benefit to getting better adhesion. Nitriding treatment can also harden the substrate surface by forming a nitrided layer of about 15 μm to enhance the adhesion.…”

Section: Introductionmentioning

confidence: 99%

The influence of Ti plasma etching pre‐treatment on mechanical properties of DLC film on cemented carbide

Huang

Yuan

et al. 2021

Surface & Interface Analysis

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The pre-treatment of substrate surface had been a key part of DLC film preparation to improve mechanical and tribological properties. Ti plasma etching pre-treatment was investigated in this paper as a new effective surface pre-treatment method to substitute transition layer. This pre-treatment used high-energy Ti plasma to impact substrate surface. Ti plasma etched the substrate to a depth of 407 nm and increased the roughness from 1.36 to 40.39 nm. A trace layer of substrate, together with cobalt, oxides, and other impurities, was removed. Ti plasma broke some top WC crystals and combined with the free carbon ions separating from the substrate. A DLC film was deposited on the etched surface. Compared with DLC films deposited on the untreated substrate and Ti transition layer, the DLC film on the Ti plasma etched substrate had best adhesion strength of 34.14 N. The three DLC films had the same sp 3 bonding carbon content, but Ti plasma etching treatment could promote the formation of sp 3 bonds on the interface of substrate and DLC film. This DLC film had low friction coefficient of 0.12 and low wear rate of 5.11 Â 10 À7 mm 3 / mÁN. In summary, Ti plasma etching pre-treatment could significantly improve the adhesion of DLC film and keep its excellent tribological properties.

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Effect of ion bombardment and micro-blasting on the wear resistance properties of hard TiN coatings

Cited by 13 publications

References 31 publications

High Performance Power Supplies for Plasma Materials Processing

High Performance Power Supplies for Plasma Materials Processing

Effect of post-treated methods on corrosion resistance of MF-DC magnetron sputtering Al coating on TC4

The influence of Ti plasma etching pre‐treatment on mechanical properties of DLC film on cemented carbide

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