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Design, Fabrication and Application of Diamond-Based Coatings
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Design, Fabrication and Application of Diamond-Based Coatings

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Thin Films and Interfaces".

Deadline for manuscript submissions: closed (20 August 2023) | Viewed by 6751

Special Issue Editor

Dr. Xinchang Wang

E-Mail Website
Guest Editor
School of Mechanical Engineering, Shanghai Jiaotong University, Shanghai, China
Interests: diamond coatings; diamond-coated cutting tools; chemical vapor deposition; surface engineering; ultra-precision machining; diamond sensors

Special Issue Information

Dear Colleagues,

Diamond-related materials present excellent mechanical, thermal, acoustic, optical and electrical properties, giving them great potential in various applications. Different types of diamond-based coatings (e.g., microcrystalline, nanocrystalline, ultrananocrystalline, doped and multi-layer diamond coatings), diamond composite coatings (e.g., SiC-diamond composite coatings), diamond-like coatings and so on can be deposited on a variety of substrates, which can make full use of the excellent properties of the diamond, the substrate and the composite elements. The most common techniques for depositing diamond-based coatings include different chemical vapor deposition (CVD) techniques, as well as physical vapor deposition (PVD) and other special techniques.

Facing the distinctive requirements put forward by the different applications, specific types of diamond-based coatings can be selected, or new types of coatings with novel layered or composite structures should be designed. Afterwards, the detailed deposition parameters should be optimized in order to synthesize high-quality coatings or accomplish the mass production of coatings with high uniformity.

Characterization methods related to diamond-based coatings are particularly crucial for the further application of these coatings, especially characterizations of the coating–substrate adhesion, the diamond impurity, the impurity content, the defect levels and so on. Conventional characterization methods can be directly used or modified to obtain better characterization, or some special characterization methods can be developed.

Diamond-based coatings have been or can be potentially applied in (among others) cutting tools, drawing dies, mechanical sealing rings, nozzles, heat spreaders, optical windows, electrochemical electrodes, semiconductors and quantum devices. In any application, the corresponding performance of the diamond-based coating or the coating–substrate system should be well studied and regulated.

The topics of interest include but are not limited to:

  • Single-layer diamond coatings (MCD, NCD, UNCD);
  • Doped diamond coatings;
  • Multi-layer diamond coatings;
  • Diamond composite coatings;
  • Diamond-like coatings

Dr. Xinchang Wang
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • diamond coatings
  • composite coatings
  • multi-layer coatings
  • diamond-like coatings
  • deposition techniques
  • deposition parameters
  • characterization
  • application

Published Papers (3 papers)

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Research

15 pages, 10898 KiB  
Article
Super High-Concentration Si and N Doping of CVD Diamond Film by Thermal Decomposition of Silicon Nitride Substrate
by Yong Yang, Yongnian Wang, Huaxin Yan, Chenyi Cao and Naichao Chen
Materials 2023, 16(17), 5849; https://0-doi-org.brum.beds.ac.uk/10.3390/ma16175849 - 26 Aug 2023
Viewed by 710
Abstract
The high-concentration N doping of diamond film is still a challenge since nitrogen is limited during diamond growth. In this work, a novel method combined with the thermal decomposition of silicon nitride was proposed to form the activated N and Si components in [...] Read more.
The high-concentration N doping of diamond film is still a challenge since nitrogen is limited during diamond growth. In this work, a novel method combined with the thermal decomposition of silicon nitride was proposed to form the activated N and Si components in the reactor gas that surrounded the substrate, with which the high-concentration N and Si doping of diamond film was performed. Meanwhile, graphene oxide (GO) particles were also employed as an adsorbent to further increase the concentration of the N element in diamond film by capturing the more decomposed N components. All the as-deposited diamond films were characterized by scanning electron microscopy, energy dispersive spectroscopy, Raman spectroscopy, and X-ray photoelectron spectroscopy. For the pure diamond film with a growth time of 0.5 h, the N and Si concentrations were 20.78 and 41.21 at%, respectively. For the GO-diamond film, they reached 47.47 and 21.66 at%, which set a new record for super high-concentration N doping of diamond film. Hence, thermal decomposition for the substrate can be regarded as a potential and alternative method to deposit the chemical vapor deposition (CVD) diamond film with high-concentration N, which be favorable for the widespread application of diamond in the electric field. Full article
(This article belongs to the Special Issue Design, Fabrication and Application of Diamond-Based Coatings)
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13 pages, 3840 KiB  
Article
Sub-Threshold Fabrication of Laser-Induced Periodic Surface Structures on Diamond-like Nanocomposite Films with IR Femtosecond Pulses
by Sergei M. Pimenov, Evgeny V. Zavedeev, Beat Jaeggi, Josef Zuercher and Beat Neuenschwander
Materials 2022, 15(13), 4506; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15134506 - 26 Jun 2022
Cited by 3 | Viewed by 3203
Abstract
In the paper, we study the formation of laser-induced periodic surface structures (LIPSS) on diamond-like nanocomposite (DLN) a-C:H:Si:O films during nanoscale ablation processing at low fluences—below the single-pulse graphitization and spallation thresholds—using an IR fs-laser (wavelength 1030 nm, pulse duration 320 fs, pulse [...] Read more.
In the paper, we study the formation of laser-induced periodic surface structures (LIPSS) on diamond-like nanocomposite (DLN) a-C:H:Si:O films during nanoscale ablation processing at low fluences—below the single-pulse graphitization and spallation thresholds—using an IR fs-laser (wavelength 1030 nm, pulse duration 320 fs, pulse repetition rate 100 kHz, scanning beam velocity 0.04–0.08 m/s). The studies are focused on microscopic analysis of the nanostructured DLN film surface at different stages of LIPSS formation and numerical modeling of surface plasmon polaritons in a thin graphitized surface layer. Important findings are concerned with (i) sub-threshold fabrication of high spatial frequency LIPSS (HSFL) and low spatial frequency LIPSS (LSFL) under negligible surface graphitization of hard DLN films, (ii) transition from the HSFL (periods of 140 ± 30 and 230 ± 40 nm) to LSFL (period of 830–900 nm) within a narrow fluence range of 0.21–0.32 J/cm2, (iii) visualization of equi-field lines by ablated nanoparticles at an initial stage of the LIPSS formation, providing proof of larger electric fields in the valleys and weaker fields at the ridges of a growing surface grating, (iv) influence of the thickness of a laser-excited glassy carbon (GC) layer on the period of surface plasmon polaritons excited in a three-layer system “air/GC layer/DLN film”. Full article
(This article belongs to the Special Issue Design, Fabrication and Application of Diamond-Based Coatings)
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33 pages, 8347 KiB  
Article
Studies on Wear of a Milling Chuck for a Production Line of Specialized Elements Used in Lockstitch Machines
by Marek Wozniak, Tomasz Zadzimski, Adam Rylski, Marcin Makówka, Przemysław Kubiak and Krzysztof Siczek
Materials 2022, 15(9), 3402; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15093402 - 09 May 2022
Viewed by 2170
Abstract
The study aims to determine the wear intensity of selected milling chuck assembly surfaces covered with a protective DLC (Diamond Like Carbon) coating, used on the production line for elements of selected lockstitch machines, and to analyze the stress distributions in the object [...] Read more.
The study aims to determine the wear intensity of selected milling chuck assembly surfaces covered with a protective DLC (Diamond Like Carbon) coating, used on the production line for elements of selected lockstitch machines, and to analyze the stress distributions in the object fixed with such a chuck for the characteristic load systems of this object during its processing. A model of the workpiece was developed using the finite element method. The boundary conditions, including the load and the method of clamping the workpiece, resulted from the parameters of the milling process and the geometric configuration of the milling chuck. Stress distributions in the workpiece for specific milling parameters and for various configurations of the milling chuck holding the workpiece are included in the article. The model experimental studies of wear were conducted in the contact zone between two surfaces covered with DLC: one on the element of the milling chuck pressing the workpiece and the other on the eccentric cams of this holder. The obtained wear values and shapes for the worn surfaces are also shown. The wear intensities for the steel plunger fins modelling swivel arm of the holder were by an order higher than those of corresponding steel shaft shoulders modelling eccentric cam of the holder. The linear wear intensities for these mating components may be expressed in terms of a function of average contact pressure and sliding speed in a corresponding contact zone. The indentation of eccentric cam into mating surface of the swivel arm of the holder increased nonlinearly with the enhancement of number of cycles of the eccentric cam. Full article
(This article belongs to the Special Issue Design, Fabrication and Application of Diamond-Based Coatings)
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