Advanced Digital Design and Laser Manufacturing in Metallic Materials

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Metal Casting, Forming and Heat Treatment".

Deadline for manuscript submissions: 20 September 2025 | Viewed by 1078

Special Issue Editor


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Guest Editor
School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China
Interests: digital design;functional surface design; laser manufacturing; metal forming

Special Issue Information

Dear Colleagues,

In recent years, the integration of digital design and laser manufacturing has witnessed increasingly widespread applications in metallic materials, which help to accurately create surface microstructures and internal topologies. The application of digital design enables engineers and designers to conceptualize and optimize structures at both micro- and macro-levels, ensuring that the final products adhere to the most stringent performance criteria. At the same time, laser material processing is a versatile industrial manufacturing tool that is not only utilized for material processing but also in pre- and post-processing techniques. A key benefit of laser manufacturing in metallic materials is its ability to achieve the desired surface or internal structure while optimizing the mechanical properties of the materials.

This special issue aims to seek high-quality manuscripts related to detailed research and developments in integrating digital design and laser manufacturing. Innovations in biomimetic digital design for complex laser manufacturing technologies are strongly encouraged.

Dr. Zongbao Shen
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.

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Keywords

  • digital design
  • laser manufacturing
  • surface microstructures
  • integral topology structures
  • mechanical properties

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Published Papers (1 paper)

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Research

25 pages, 18900 KiB  
Article
Fabrication of Papillary Composite Microstructured Aluminum Surfaces by Laser Shock Imprinting and Ablation
by Zongbao Shen, Qizhi Xu, Yansong Yu, Dong Liu and Jie Ji
Metals 2024, 14(12), 1346; https://doi.org/10.3390/met14121346 - 26 Nov 2024
Viewed by 694
Abstract
Laser shock ablation is incorporated into laser shock imprinting for the fabrication of papillary composite microstructures on aluminum surfaces. The primary papillary structures are fabricated using laser shock imprinting. Subsequently, secondary structures were fabricated on the surface of these primary structures using laser [...] Read more.
Laser shock ablation is incorporated into laser shock imprinting for the fabrication of papillary composite microstructures on aluminum surfaces. The primary papillary structures are fabricated using laser shock imprinting. Subsequently, secondary structures were fabricated on the surface of these primary structures using laser shock ablation, forming composite papillary microstructures. The influence of various laser shock ablation process parameters on the formation effect of these papillary composite microstructure surfaces was investigated. The results indicate that both laser shock energy and shock frequency affect the integrity of the secondary microstructure coverage on the material surface, the height of the composite microstructure, and the surface morphology. Through comparative optimization, the optimal process parameters were determined to be 675 mJ of energy and one shock ablation. Additionally, the differences in the flow behavior of metallic materials between the center and the periphery of the beam spot, caused by the shock wave, were analyzed. The wettability of the composite microstructure aluminum surface was also explored. The variation mechanism of wettability was explained by detecting changes in the contact angle on the aluminum surface at different time intervals and analyzing changes in surface chemical composition before and after aging. Specifically, after laser shock ablation, the aluminum surface contains a large number of polar groups, making it hydrophilic. During aging treatment, these polar groups continuously adsorb non-polar alkyl organic compounds, eventually leading to hydrophobicity, with a stabilized average surface contact angle of 143°. Fluorination treatment can further achieve superhydrophobicity, with a contact angle of 151° achieved shortly after processing the composite microstructure aluminum surface. Full article
(This article belongs to the Special Issue Advanced Digital Design and Laser Manufacturing in Metallic Materials)
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