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Recent Advances in Precision Manufacturing Technology
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Recent Advances in Precision Manufacturing Technology

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Manufacturing Processes and Systems".

Deadline for manuscript submissions: 20 October 2025 | Viewed by 3657

Special Issue Editors

Prof. Dr. Chenglei Fan

E-Mail Website
Guest Editor
State Key Laboratory of Precision Welding & Joining of Materials and Structures, Harbin Institute of Technology, Harbin 150001, China
Interests: arc additive manufacturing; efficient arc welding; welding quality control
Dr. Yunqiang Zhao

E-Mail Website1 Website2
Guest Editor
Guangdong Provincial Key Laboratory of Advanced Welding Technology, China-Ukraine Institute of Welding, Guangdong Academy of Sciences, Guangzhou 510000, China
Interests: intelligent welding technology; friction stir welding; welding big data; numerical simulation of welding
Prof. Dr. Li Zhou

E-Mail Website
Guest Editor
State Key Laboratory of Precision Welding & Joining of Materials and Structures, Harbin Institute of Technology at Weihai, Weihai 264209, China
Interests: solid-phase joining; metal remanufacturing; additive manufacturing; welding/joining; additive manufacturing metallurgy
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Hong Wu

E-Mail Website
Guest Editor
State Key Laboratory of Powder Metallurgy, Central South University, Changsha, China
Interests: additive manufacturing; biomedical materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

Precision manufacturing is an important aspect of the modern manufacturing industry, enabling the production of components with high accuracy and complex geometries. Precision manufacturing technology involves many disciplines, such as mechanical engineering, materials science, and computer science, to promote the continuous innovation and development of manufacturing technology. Precision manufacturing technology has made much progress in improving product quality, production efficiency, and sustainable development in the areas of aerospace equipment, construction machinery, new energy vehicles, transport equipment, etc.

This Special Issue aims to present recent advances in precision manufacturing technology, which cover a broad scope, involving theoretical studies, manufacturing processes, and equipment development. In addition, we welcome research works about multidisciplinary manufacturing technologies, such as high-energy beam (laser, e-beam, and ion beam) processes and hybrid (additive combined with subtractive) manufacturing technology.

We are interested in articles that focus on topics including, but not limited to, the following:

  • Precision manufacturing technology for aerospace equipment.
  • Precision manufacturing technology for construction machinery.
  • Lightweight and intelligent manufacturing technology for vehicles and transport equipment.
  • Precision manufacturing processes for nonferrous metal, high-performance polymer, and metal matrix composites.
  • Extreme manufacturing, micro/nano-manufacturing, and additive manufacturing technology.

The scope of this Special Issue is based on "The First Academic Summit Forum on Precision Welding and Joining of Material Structures". For more information about the event, please visit the following link: https://weld.hit.edu.cn/2024/0711/c1648a348529/page.htm.

Nevertheless, we encourage all scholars, including those who have not yet attended the conference, to submit their papers to this Special Issue.

We look forward to your contributions and believe that this Special Issue will significantly contribute to the advancement of precision manufacturing technology. Should you have any inquiries, please do not hesitate to contact the Editorial Office.

Prof. Dr. Chenglei Fan
Dr. Yunqiang Zhao
Prof. Dr. Li Zhou
Prof. Dr. Hong Wu
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. 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

  • extreme conditions/precision manufacturing technology
  • aerospace equipment, construction machinery, and transport equipment
  • nonferrous metal, light alloy, polymer, and metal matrix composite
  • micro/nano structure and materials
  • welding & additive manufacturing technology

Benefits of Publishing in a Special Issue

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  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

Further information on MDPI's Special Issue policies can be found here.

Published Papers (4 papers)

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Research

21 pages, 23686 KiB  
Article
Improved Thin-Kerf Processing in Cf/SiC Composite by Waterjet-Guided Nanosecond Laser Decreases Oxidation and Thermal Effect
by Jiayu Wang, Guangyi Zhang, Qiaoli Wang, Youmin Rong, Chaochao Zhao, Chunguang Chen, Binying Bao, Wenwu Zhang and Liyuan Sheng
Materials 2025, 18(7), 1560; https://doi.org/10.3390/ma18071560 - 29 Mar 2025
Viewed by 337
Abstract
As a hard and brittle material, the processing of Cf/SiC ceramic matrix composites (CMCs) faces significant challenges, especially in the processing of small-sized shapes. To address this challenge, laser processing with gas-assisted nanosecond laser (GNL) and waterjet-guided nanosecond laser (WNL) modes [...] Read more.
As a hard and brittle material, the processing of Cf/SiC ceramic matrix composites (CMCs) faces significant challenges, especially in the processing of small-sized shapes. To address this challenge, laser processing with gas-assisted nanosecond laser (GNL) and waterjet-guided nanosecond laser (WNL) modes were applied to fabricate thin kerfs in the Cf/SiC composite. The surface morphology, microstructure, and chemical composition of the processed Cf/SiC composite were investigated comparatively. The results revealed that the coupling of helium in the GNL mode laser processing could make full use of the laser energy, but resulted in spattering in the kerf margin and a recast layer in the kerf surface, accompanied by obvious oxidation, while the coupling of the waterjet in the WNL mode laser processing decreased the oxidation significantly and removed the remelting debris, which produced a clear and flat kerf surface. Due to the taper caused by laser energy dissipation, the single-path laser processing in the Cf/SiC composite had a limited depth. The maximum depth of the kerf prepared by single-path laser processing with the GNL mode was about 328 μm, while that with the WNL mode was about 302 μm. The multi-path laser processing with the GNL and WNL modes could fabricate a through kerf in the Cf/SiC composite, but the coupling medium obviously influenced the surface morphology and microstructure of the underlying region. The kerf surface prepared by the GNL mode had a varied surface morphology, which transited from the top layer, covered with oxide particles and some cracks, to the bottom layer, featured with micro-grooves and small oxides. The kerf surface prepared by the WNL mode had a consistently smooth and clean morphology featured with broken carbon fiber and residual SiC matrix. The slow laser energy dissipation and open environment in the GNL mode resulted in a bigger HAZ and relatively serious oxidation, which caused local phase transformation and microstructure degradation. The isolation condition and rapid cooling in the WNL mode decreased the HAZ and restrained the oxidation, almost keeping the original microstructure. The thicknesses of the HAZ in the GNL- and WNL-processed Cf/SiC composite were about 200 μm and 100 μm, respectively. The WNL-processed Cf/SiC composite had a lower oxidation and thermal damage surface, which is instructive for the processing of the Cf/SiC composite. Full article
(This article belongs to the Special Issue Recent Advances in Precision Manufacturing Technology)
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21 pages, 39456 KiB  
Article
Surface Roughening Behavior and Mechanism in Aluminum Alloy Under Tensile Deformation
by Xiang Zeng, Shaoming Xu, Zhongbao Mi, Leheng Huang, Xuefeng Xu, Yubin Fan, Jiawen Yu, Xiaoguang Fan, Xiaoxiao Chen and Qiqi Tu
Materials 2024, 17(23), 5911; https://doi.org/10.3390/ma17235911 - 3 Dec 2024
Viewed by 796
Abstract
Surface roughening (SR) has been found to occur in solid solution 2219 aluminum alloy under tensile deformation, which will deteriorate its surface quality. To make a precise study of the surface roughening (SR) behavior and mechanism, the surface morphology of annealed and solid [...] Read more.
Surface roughening (SR) has been found to occur in solid solution 2219 aluminum alloy under tensile deformation, which will deteriorate its surface quality. To make a precise study of the surface roughening (SR) behavior and mechanism, the surface morphology of annealed and solid solution 2219 aluminum alloy was compared and crystal plasticity finite element (CPFE) simulation was carried out in this study. Thereinto, representative volume element (RVE) models of polycrystals were established according to the initial grain morphology measured by electron backscatter diffraction (EBSD). The results show that the surface roughening degree of the solid solution specimen is worse than that of annealed specimen after uniaxial tension deformation. In comparison with the annealed specimen, the grains show a larger size after solid solution treatment, thus resulting in the coarse surface to a certain extent. Moreover, texture type and density also have a significant influence on surface roughness. The rotation of grains with an S and Copper orientation intensifies the surface roughening during tensile deformation. The deformation difficulty of Goss texture in the normal direction (ND) and tangential direction (TD) varies, thus contributing to the different surface morphology. The research results will provide guidance for the improvement of the surface quality of high-strength aluminum alloy aerospace components. Full article
(This article belongs to the Special Issue Recent Advances in Precision Manufacturing Technology)
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13 pages, 6163 KiB  
Article
Hard Particle Mask Electrochemical Machining of Micro-Textures
by Ge Qin, Haoyu Peng, Yunyan Zhang, Pingmei Ming, Huan Liu, Xiangyang Wu, Wenbang Zhang, Xingshuai Zheng and Shen Niu
Materials 2024, 17(20), 4986; https://doi.org/10.3390/ma17204986 - 12 Oct 2024
Viewed by 908
Abstract
The efficient and cost-effective preparation of masks has always been a challenging issue in mask-based electrochemical machining. In this paper, an electrochemical machining process of micro-textures is proposed using hard particle masks such as titanium and zirconia particles. Numerical simulations were conducted to [...] Read more.
The efficient and cost-effective preparation of masks has always been a challenging issue in mask-based electrochemical machining. In this paper, an electrochemical machining process of micro-textures is proposed using hard particle masks such as titanium and zirconia particles. Numerical simulations were conducted to analyze the formation mechanisms of micro-protrusion structures with insulating and conductive hard particle masks, followed by experimental verification of the process. The results indicate that when the hard particles are electrically insulating, metal material preferentially dissolves at the center of the particle gap, and the dissolution then expands over time in depth and towards the particle contact points. Conversely, using the conductive particles as the masks, such as titanium particles, dissolution initially occurs in a ring region centered at the contact point between the hard particle and the anode, with a radius approximately one-quarter of the chosen particle’s diameter (200 μm), and then continues to expand outward. Full article
(This article belongs to the Special Issue Recent Advances in Precision Manufacturing Technology)
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17 pages, 48848 KiB  
Article
Electrochemical Properties and Jet Electrochemical Micromilling of (TiB+TiC)/Ti6Al4V Composites in NaCl+NaNO3 Mixed Electrolyte
by Shen Niu, Hao Wang, Pingmei Ming, Ge Qin, Lei Ren, Huan Liu and Xinchao Li
Materials 2024, 17(19), 4904; https://doi.org/10.3390/ma17194904 - 7 Oct 2024
Cited by 1 | Viewed by 1179
Abstract
Difficult-to-cut titanium matrix composites (TiB+TiC)/Ti6Al4V have extensive application prospects in the fields of biomedical and aerospace metal microcomponents due to their excellent mechanical properties. Jet electrochemical micromilling (JEMM) technology is an ideal method for machining microstructures that leverages the principle of electrochemical anodic [...] Read more.
Difficult-to-cut titanium matrix composites (TiB+TiC)/Ti6Al4V have extensive application prospects in the fields of biomedical and aerospace metal microcomponents due to their excellent mechanical properties. Jet electrochemical micromilling (JEMM) technology is an ideal method for machining microstructures that leverages the principle of electrochemical anodic dissolution. However, the matrix Ti6Al4V is susceptible to passivation during electrochemical milling, and the inclusion of high-strength TiB whiskers and TiC particles as reinforcing phases further increases the machining difficulty of (TiB+TiC)/Ti6Al4V. In this study, a novel approach using NaCl+NaNO3 mixed electrolyte for the JEMM of (TiB+TiC)/Ti6Al4V was adopted. Electrochemical behaviors were measured in NaCl and NaCl+NaNO3 electrolytes. In the mixed electrolyte, a higher transpassive potential was required to break down the passive film, which led to better corrosion resistance of (TiB+TiC)/Ti6Al4V, and the exposed reinforcing phases on the dissolved surface were significantly reduced. The results of the JEMM machining indicate that, compared to NaCl electrolyte, using mixed electrolyte effectively mitigates stray corrosion at the edges of micro-grooves and markedly improves the uniformity of both groove depth and width dimensions. Additionally, the surface quality was noticeably improved, with a reduction in Ra from 2.84 μm to 1.03 μm and in Rq from 3.41 μm to 1.40 μm. Full article
(This article belongs to the Special Issue Recent Advances in Precision Manufacturing Technology)
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