Deformation, Thermal, and Laser Powder-Based Coatings

A special issue of Coatings (ISSN 2079-6412). This special issue belongs to the section "Laser Coatings".

Deadline for manuscript submissions: closed (30 July 2023) | Viewed by 2086

Special Issue Editors


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Guest Editor
Department of Mechanical Engineering, University of Nevada, Reno, NV 89557, USA
Interests: manufacturing; material processing; surface engineering; electrochemical analysis; advanced material structures
Special Issues, Collections and Topics in MDPI journals

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Guest Editor Assistant
Department of Mechanical Engineering, University of Nevada, Reno, NV 89557, USA
Interests: manufacturing; material processing; surface engineering; electrochemical analysis

Special Issue Information

Dear Colleagues,

In the age of rapidly advancing industries, the importance of protecting various components from surface damage, whether it be through chemical and/or mechanical means, has become a critical issue. To combat these costly issues, various coating technologies have been applied, whether it be through deformation-, thermal-, or laser-based means. Examples of such coating technologies include thermal spraying (e.g., high-velocity oxygen fuel (HVOF) coating, plasma spraying (PS), atmospheric plasma spraying (APS), etc.), kinetic spraying (e.g., cold spraying (CS), aerosol deposition (AD), etc.), and laser powder additive manufacturing (e.g., powder bed fusion (PBF), selective laser melting (SLM), etc.). When these coatings are applied, various surfaces can effectively be protected in extreme high-temperature, high-stress, corrosive, oxidative, erosive, and wear-based environments. Given the rapid advancements in these fields, an increasing number of industries are considering these technologies as a reliable alternative to other surface modification processes.

This Special Issue invites researchers within this field to submit articles in order to contribute their findings regarding the aforementioned topics (but not limited to these subjects). Research pertaining to the characterization and formulation of powder feedstocks, their coating deposition, and their performance (both in their pre-processed and post-processed conditions) are welcomed. We highly encourage authors to submit both scientific research articles and collective reviews to our Special Issue.

The topics of interest in this Special Issue include, but are not limited to:

  • Laser additive manufacturing: direct laser metal sintering (DMLS), electron beam melting (EBM), selective laser melting (SLM), selective laser sintering (SLS), laser metal fusion (LMF), laser engineering net shape (LENS), laser metal deposition powder (LMD-p), direct metal deposition (DMD), laser cladding (LC), laser-based metal deposition (LBMD), and laser freeform fabrication (LFF);
  • Thermal spraying: high-velocity oxygen fuel (HVOF), high-velocity air fuel (HVAF), plasma spraying (PS), and flame spraying (FS);
  • Kinetic spraying: high-pressure cold spraying (HPCS), low-pressure cold spraying (LPCS), and aerosol deposition (AD);
  • Metal matrix composites;
  • High-temperature, oxidative, dry, lubricated, and corrosive-wear;
  • Characterization, microstructure, and mechanical properties;
  • Equipment and powders;
  • Effect of pre- and post-treatments (e.g., friction stir processing (FSP), laser shock peening (LSP), laser melting (LM), shot peening (SP), and thermo-mechanical treatments);
  • Industrial applications;
  • Mechanical performance.

Dr. Pradeep Menezes
Guest Editor

Alessandro Ralls
Guest Editor Assistant

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. Coatings is an international peer-reviewed open access monthly 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

  • cold spraying
  • selective laser melting
  • wear resistant
  • mechanical properties
  • powder metallurgy
  • metal matrix composites
  • oxidative wear
  • corrosion resistant
  • tribo-corrosion
  • high-velocity oxygen fuel coating

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Published Papers (1 paper)

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Research

23 pages, 7355 KiB  
Article
Effect of New Design of the Laser Installation and Spraying Method on the Physical and Mechanical Properties the Inner Surface a Small Diameter Coated with 15Cr17Ni12V3F35ZrO2
by Vitaliy V. Savinkin, Olga V. Ivanova, Zaure Zh. Zhumekenova, Andrei Victor Sandu and Petrica Vizureanu
Coatings 2023, 13(3), 514; https://doi.org/10.3390/coatings13030514 - 25 Feb 2023
Cited by 1 | Viewed by 1610
Abstract
A unique controlled laser head with an adaptive module was developed to stabilize the trajectory of movement. The scientific and practical problem of developing a technology for restoring the inner surface of a small diameter up to 44 mm was solved by [...] Read more.
A unique controlled laser head with an adaptive module was developed to stabilize the trajectory of movement. The scientific and practical problem of developing a technology for restoring the inner surface of a small diameter up to 44 mm was solved by the introduction of a laser head. Adhesion was achieved by moving the laser along the vectors, forming a regular pyramid with opening angles at the top. High physical and mechanical properties of the restored pump surface were achieved by the laser technology when spraying powder composition 15Cr17Ni12V3F35ZrO2. The optimal values of the microhardness of the coating of 5000 MPa were achieved due to the optimal transition melting zone of 0.8 ÷ 1.45 mm; the laser radiation power density of 3 × 105 W/cm2; and the diameter of the focus spot of the laser beam of up to 1.3 mm. High corrosion resistance and tribology were achieved by an optimally matched distance of 10 ÷ 15 mm and a surfacing speed of 15 mm/s. Homogeneous spheroidized particles of the material were observed in the martensitic phase of the structure. The stable compression stresses in the phase structure during the laser deposition of zirconium dioxide were fixed at the level of 1.0 ÷ 1.5 N/m2, and the compression stresses were at the level of 0.2 ÷ 0.4 N/m2. A multifactorial experiment established the dependence of the coating hardness on the distance to the focal plane and the energy characteristics of the laser source, providing optimal laser parameters (area, pulse power, and duration). Full article
(This article belongs to the Special Issue Deformation, Thermal, and Laser Powder-Based Coatings)
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