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Coatings
Special Issues
Tribological and Corrosion Properties of Alloys Produced by Additive Manufacturing
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Tribological and Corrosion Properties of Alloys Produced by Additive Manufacturing

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

Deadline for manuscript submissions: closed (31 October 2021) | Viewed by 4276

Special Issue Editors

Prof. Dr. Zhi Wang

E-Mail Website1 Website2
Guest Editor
National Engineering Research Center of Near-net-shape Forming for Metallic Materials, School of Mechanical and Automotive Engineering, South China University of Technology, 381 Wushan Road, Guangzhou, 510640, China
Interests: additive manufacturing; Al-based alloys; powder metallurgy; meta-stable materials; structure–property correlation in metals
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Di Wang

E-Mail Website
Guest Editor
South China University of Technology, 381 Wushan Road, Guangzhou, 510640, China
Interests: metal additive manufacturing

Special Issue Information

Dear Colleagues,

Tribological and corrosion properties play an important role in the durability of metallic components. In recent years, additive manufacturing (AM) processes such as selective laser melting (SLM) have emerged as prevalent techniques for producing both traditional and new alloys, producing materials with new microstructural and mechanical characteristics. Research efforts have mostly focused on studying the microstructure–mechanical properties of AM alloys; however, research developments must be explored and studied to offer new relevant outlooks and fundamental understanding of tribological and corrosion properties. Therefore, this Special Issue aims to collect relevant research papers or reviews reporting significant progress in the assessment and comprehension of tribological and corrosion properties of AM Alloys.

The following concepts affecting or related to the tribological and corrosion properties of AM alloys are included, but are not limited to:

  • Alloy systems such as steels, Al alloys, Ti alloys, Mg alloys, refractory metals, etc;
  • High entropy alloys, metallic glasses, and metal matrix composites;
  • Influence of different processing parameters;
  • Influence of different powder morphologies;
  • Effect of residual stresses, pores, and unmelted powders;
  • Effect of post-process treatments;
  • Computer modeling and simulation;

Prof. Dr. Zhi Wang
Prof. Dr. Di Wang
Guest Editors

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

  • additive manufacturing
  • tribological properties
  • corrosion properties
  • alloys

Published Papers (1 paper)

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Research

19 pages, 4383 KiB  
Article
Defect Analysis of 316 L Stainless Steel Prepared by LPBF Additive Manufacturing Processes
by Zhijun Zheng, Le Peng and Di Wang
Coatings 2021, 11(12), 1562; https://doi.org/10.3390/coatings11121562 - 19 Dec 2021
Cited by 6 | Viewed by 3361
Abstract
The 316 L stainless-steel samples were prepared by laser powder bed fusion (LPBF). The effects of processing parameters on the density and defects of 316 L stainless steel were studied through an orthogonal experiment. The density of the samples was measured by the [...] Read more.
The 316 L stainless-steel samples were prepared by laser powder bed fusion (LPBF). The effects of processing parameters on the density and defects of 316 L stainless steel were studied through an orthogonal experiment. The density of the samples was measured by the Archimedes method, optical microscopy (OM) and X-ray Computed Tomography (XCT). The microstructures and defects under different LPBF parameters were studied by OM and SEM. The results show that the energy density has a significant effect on the defect and density of the structure. When the energy density is lower than 35.19 J/mm3, the density increases significantly with the increase of energy density. However, when the energy density is larger than this value, the density remains relatively stable. The process parameter with the greatest influence on energy density is the hatch distance D, followed by laser power P, scanning speed V and rotation angle θ. In this paper, the optimum parameters consist of P = 260 W, V = 1700 mm, D = 0.05 mm and θ = 67°, in which the density is as high as 98.5%. In addition, the possibility and accuracy of the XCT method in detecting the discontinuity and porosity of 316 L stainless steel were discussed. The results show that XCT can provide the whole size and variation trend of pores in the different producing direction of LPBF. Full article
(This article belongs to the Special Issue Tribological and Corrosion Properties of Alloys Produced by Additive Manufacturing)
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