Microstructural and tribological characterization of DLC coating by in-situ duplex plasma nitriding and arc ion plating

Lan, Rui; Ma, Zhifeng; Wang, Chunji; Lu, Guangquan; Yuan, Yanyan; Shi, Changlun

doi:10.1016/j.diamond.2019.107473

Cited by 21 publications

(5 citation statements)

References 30 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Amorphous carbon films containing DLC films are synthesized by various methods such as chemical vapor deposition (CVD), which includes plasma-enhanced CVD [ 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 ], electron cyclotron resonance (ECR) plasma CVD [ 30 ], plasma-based ion implantation and deposition (PBII&D) [ 31 , 32 ], and physical vapor deposition, which includes ionized evaporation [ 33 ], sputtering [ 34 , 35 ], unbalanced magnetron sputtering (UBMS) [ 36 , 37 ], ECR sputtering [ 38 , 39 ], high-power impulse magnetron sputtering (HiPIMS) [ 40 , 41 ], filtered cathodic vacuum arc (FCVA) [ 42 , 43 , 44 , 45 ], ion-beam deposition (IBD) [ 5 , 46 , 47 , 48 ], arc ion plating (AIP) [ 49 , 50 ], pulsed laser deposition (PLD) [ 51 ], and laser arc deposition [ 52 , 53 ]. Many of the DLC films produced by these methods have deviated from the DLC regions on the ternary diagrams reported to date.…”

Section: Introductionmentioning

confidence: 99%

Properties and Classification of Diamond-Like Carbon Films

Hiratsuka²,

et al. 2021

View full text Add to dashboard Cite

Diamond-like carbon (DLC) films have been extensively applied in industries owing to their excellent characteristics such as high hardness. In particular, there is a growing demand for their use as protective films for mechanical parts owing to their excellent wear resistance and low friction coefficient. DLC films have been deposited by various methods and many deviate from the DLC regions present in the ternary diagrams proposed for sp3 covalent carbon, sp2 covalent carbon, and hydrogen. Consequently, redefining the DLC region on ternary diagrams using DLC coatings for mechanical and electrical components is urgently required. Therefore, we investigate the sp3 ratio, hydrogen content, and other properties of 74 types of amorphous carbon films and present the classification of amorphous carbon films, including DLC. We measured the sp3 ratios and hydrogen content using near-edge X-ray absorption fine structure and Rutherford backscattering-elastic recoil detection analysis under unified conditions. Amorphous carbon films were widely found with nonuniform distribution. The number of carbon atoms in the sp3 covalent carbon without bonding with hydrogen and the logarithm of the hydrogen content were inversely proportional. Further, we elucidated the DLC regions on the ternary diagram, classified the amorphous carbon films, and summarized the characteristics and applications of each type of DLC.

show abstract

Section: Introductionmentioning

confidence: 99%

Properties and Classification of Diamond-Like Carbon Films

Hiratsuka²,

et al. 2021

View full text Add to dashboard Cite

show abstract

“…The main characteristic of DLC is represented by the ratio between the sp3 and sp2 bonded carbon atoms and the hydrogen content. They can possess high hardness, low coefficients of friction against materials such as steel, and are chemically inert [3][4][5]. The adhesive strength may have superior bonding, which allows an increase of the tribological characteristics [6][7].…”

Section: Introductionmentioning

confidence: 99%

Experimental investigation on chromium-diamond like carbon (Cr-DLC) coating through plasma enhanced chemical vapour deposition (PECVD) on the nozzle needle surface

Muthuraja

Naik

Rajak

et al. 2019

Diamond and Related Materials

View full text Add to dashboard Cite

“…The Rockwell hardness test (VDI 3198) is often used to evaluate the adhesion of hard coatings to various materials [36][37][38][39][40]. In conformity with the VDI 3198, the adhesive strength quality HF1-HF4 defines strong interfacial adhesion and is usually applied in practice, whereas HF5 and HF6 define poor adhesion and are not acceptable [33].…”

Section: Adhesion Of A-c:h:sio X Filmsmentioning

confidence: 99%

“…The penetration in a relatively soft substrate surface is rather deep (~150 µm in our experiment), and plastic deformation causes the displacement of the substrate material, which induces spallation and microcracks of the crater edges even in hard coatings. To accomplish a smooth transition between the hard and soft substrates to alleviate the eggshell-like effect, the surface is preliminarily hardened for the improvement of its bearing capacity [37].…”

Section: Adhesion Of A-c:h:sio X Filmsmentioning

confidence: 99%

In Vitro Biodegradation of a-C:H:SiOx Films on Ti-6Al-4V Alloy

et al. 2022

View full text Add to dashboard Cite

This paper focuses mainly on the in vitro study of a five-week biodegradation of a-C:H:SiOx films of different thickness, obtained by plasma-assisted chemical vapor deposition onto Ti-6Al-4V alloy substrate using its pulsed bipolar biasing. In vitro immersion of a-C:H:SiOx films in a solution of 0.9% NaCl was used. It is shown how the a-C:H:SiOx film thickness (0.5–3 µm) affects the surface morphology, adhesive strength, and Na+ and Cl− precipitation on the film surface from the NaCl solution. With increasing film thickness, the roughness indices are reducing a little. The adhesive strength of the a-C:H:SiOx films to metal substrate corresponds to quality HF1 (0.5 µm in thickness) and HF2-HF3 (1.5–3 µm in thickness) of the Rockwell hardness test (VDI 3198) that defines strong interfacial adhesion and is usually applied in practice. The morphometric analysis of the film surface shows that on a-C:H:SiOx-coated Ti-6Al-4V alloy surface, the area occupied by the grains of sodium chloride is lower than on the uncoated surface. The reduction in the ion precipitation from 0.9% NaCl onto the film surface depended on the elemental composition of the surface layer conditioned by the thickness growth of the a-C:H:SiOx film. Based on the results of energy dispersive X-ray spectroscopy, the multiple regression equations are suggested to explain the effect of the elemental composition of the a-C:H:SiOx film on the decreased Na+ and Cl− precipitation. As a result, the a-C:H:SiOx films successfully combine good adhesion strength and rare ion precipitation and thus are rather promising for medical applications on cardiovascular stents and/or friction parts of heart pumps.

show abstract

Microstructural and tribological characterization of DLC coating by in-situ duplex plasma nitriding and arc ion plating

Cited by 21 publications

References 30 publications

Properties and Classification of Diamond-Like Carbon Films

Properties and Classification of Diamond-Like Carbon Films

Experimental investigation on chromium-diamond like carbon (Cr-DLC) coating through plasma enhanced chemical vapour deposition (PECVD) on the nozzle needle surface

In Vitro Biodegradation of a-C:H:SiOx Films on Ti-6Al-4V Alloy

Contact Info

Product

Resources

About