Magnetic-field enhanced plasma immersion ion implantation and deposition (PIII&amp;D) of diamond-like carbon films inside tubes

Mariano, Samantha de Fátima Magalhães; Ueda, M.; Oliveira, R. M.; Pillaca, Elver Juan de Dios Mitma; Santos, Nazir Monteiro dos

doi:10.1016/j.surfcoat.2016.08.077

Cited by 15 publications

(5 citation statements)

References 24 publications

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“…The films were adhesive to the steel substrate except for that the rough film surface was an adverse effect on the corrosion resistance. Mariano adopted a Magnetic-field enhanced PIID method to deposit DLC films inside SS304 pipes in 2016, aimed at studying the evaluation of discharge breakdown in nitrogen, methane and acetylene gases influenced by magnetic fields intensity [14]. The above pioneering works create opportunities for DLC films coated inside steel pipes.…”

Section: Introductionmentioning

confidence: 99%

“…Furthermore, it should be noted that it is not mature enough for the techniques (art, equipment, application, etc) to deposit DLC films inside steel pipes now. For example, the magnetron sputtering PIID method developed by S F M Mariano has a complex architecture equipment which should take into account both crossed electric and magnetic fields strength and the gas working pressure together [14]. Adherent thick DLC films are necessarily demanded for providing long-term durability and reliability in a harsh working environment.…”

Section: Introductionmentioning

confidence: 99%

“…Adherent thick DLC films are necessarily demanded for providing long-term durability and reliability in a harsh working environment. However, the deposition rate of DLC films in many coating techniques is generally less than 3 µm h −1 [14, [16][17][18] and limits the thickness of films to a few µm (<10 µm) [13,14,19,20]. Last, much research has focused on the techniques themselves and mechanical properties of obtained DLC films [13,14,16,21,22].…”

Section: Introductionmentioning

confidence: 99%

“…However, the deposition rate of DLC films in many coating techniques is generally less than 3 µm h −1 [14, [16][17][18] and limits the thickness of films to a few µm (<10 µm) [13,14,19,20]. Last, much research has focused on the techniques themselves and mechanical properties of obtained DLC films [13,14,16,21,22]. Whereas, there are a few studies on the corrosion resistance of inner surface DLC films.…”

Section: Introductionmentioning

confidence: 99%

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Corrosion and wear behaviors of Si-DLC films coated on inner surface of SS304 pipes by hollow cathode PECVD

Zhang

et al. 2018

Surf. Topogr.: Metrol. Prop.

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An integrated technology of hollow cathode plasma enhanced chemical vapor deposition (PECVD) with plasma immersion ion deposition (PIID), promoting the deposition rate ranging from10 to 14 µm h −1 , was developed to deposit thick Si-doped diamond-like carbon (Si-DLC) films on the internal surface of 304 stainless steel (SS304) pipes with various inner diameters for corrosion and abrasion protection. After the deposition, the films inside 30 mm and 90 mm diameter pipe have been comprehensively investigated by FESEM, optical 3D profiler, Raman, XPS, nanoindentation, EIS and polarization measurements, salt spray test and friction test. It was found that Si-DLC films were compact and smooth, thick (~11 µm) and hard (~13 GPa). The current density ( 2.38 × 10 −9 A cm −2 ) of Si-DLC films was 1000 times lower than the uncoated steel pipe through the electrochemical polarization test. The EIS data were analyzed by an equivalent circuit model, which presented a highest charge transfer impedance of ~4.5E7 Ω cm 2 . Si-DLC films survived 720 h salt spray test without the presence of corrosion pits and exfoliation. The test results confirmed that Si-DLC films possessed superior performances in corrosion resistance, which was not only attributed to the chemical inertness of DLC and Si incorporation, but also to the multilayered film with few defects. Besides, the friction coefficient of Si-DLC films in air, water and oil environments was low at 0.05-0.06, 0.08-0.12 and 0.08-0.09, respectively, in comparison with 0.55, 0.30 and 0.11 for bare steel. The corresponding wear rates of Si-DLC films were much lower than uncoated steel pipe in the three environments as well.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Corrosion and wear behaviors of Si-DLC films coated on inner surface of SS304 pipes by hollow cathode PECVD

Zhang

et al. 2018

Surf. Topogr.: Metrol. Prop.

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“…Debido a la eliminación de la capa nitrurada superior mediante un proceso de etching agresivo y el subsiguiente aumento de la rugosidad existe una pérdida de adherencia en relación con el aumento de la temperatura. La adherencia se ve comprometida, ya que no se produce el fenómeno de enlace metal-metal en la primera capa de cromo aplicada, sino que se forman enlaces óxido-metal, caracterizados por su menor fortaleza fruto de una posible contaminación de la capa externa [25,[134][135].…”

Section: Discusión De Resultadosunclassified

Nuevas tecnologías de tratamiento dúplex para la mejora de la adherencia de recubrimientos DLC sobre acero inoxidable austenítico

Gómez Alonso

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AISI 316L austenitic stainless steel has become pivotal in both industrial and biomedical applications due to its outstanding corrosion resistance and durability in harsh environments. The composition of this steel, which comprises chromium, nickel, and molybdenum, provides exceptional chemical stability and toughness, making it the leading choice for challenging scenarios. Innovative techniques have been investigated to further improve the capabilities of DLC coating on a versatile material. Among them, the high-power pulsed magnetron sputtering (HiPIMS) method, utilizing positive pulses on AISI 316L austenitic stainless steel, has shown great potential in enhancing the surface properties of the material. Positive pulse HiPIMS coatings provide significant benefits over traditional methods, particularly in their capacity to produce thin layers with high ionic current density and greater impact energy. Consequently, these coatings exhibit enhanced adhesion and a dense coating structure, yielding superior mechanical and tribological properties. To optimize stainless steels wear resistance and properties, the plasma immersion ion implantation (PIII) technique has been adopted. This approach facilitates the development of gradients of hardness on the surface of the substrate, thereby enhancing the material's resistance against abrasive forces and culminating in prolonged durability under frictional conditions. The utilization of shielded plasma nitriding (ASPN) results in substantial enhancement of the DLC coating's adhesion. This method enables the creation of a nitrided layer at the interface between the coating and substrate, which enhances their bond and offers extra protection against early separation. Including substrates produced by additive manufacturing techniques introduces a fresh approach to enhancing the properties of stainless steel. Despite a slight decrease in certain properties when compared to previous treatments, the implementation of duplex treatments with shielded plasma nitriding has been found to be particularly advantageous in this specific context. Ultimately, the primary contribution made by this thesis around duplex treatments focuses on the utilization of DLC WC:C coating techniques via positive pulse HiPIMS, and the introduction of hardness gradients through PIII and ASPN processes. The study conducted the techniques on substrates made via additive manufacturing technologies. Its aim was to enhance the mechanical and tribological characteristics of DLC coatings, thereby significantly improving the surface properties of AISI 316L austenitic stainless steel. This approach strengthens the adhesion of the coatings and offers new perspectives for industrial and biomedical applications.

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Advanced Surface Engineering Approaches for Exotic Applications

Mohanty

Basak

Saran

et al. 2023

Int. J. Precis. Eng. Manuf.

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Magnetic-field enhanced plasma immersion ion implantation and deposition (PIII&D) of diamond-like carbon films inside tubes

Cited by 15 publications

References 24 publications

Corrosion and wear behaviors of Si-DLC films coated on inner surface of SS304 pipes by hollow cathode PECVD

Corrosion and wear behaviors of Si-DLC films coated on inner surface of SS304 pipes by hollow cathode PECVD

Nuevas tecnologías de tratamiento dúplex para la mejora de la adherencia de recubrimientos DLC sobre acero inoxidable austenítico

Advanced Surface Engineering Approaches for Exotic Applications

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