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Advances in 3D Printing Technologies: Design, Manufacturing, and Applications

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

Deadline for manuscript submissions: 20 March 2026 | Viewed by 892

Special Issue Editors


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Guest Editor
Department of Mechanical Engineering, Shandong University, Jinan 250061, China
Interests: 3D printing; digital design; biomedical engineering
College of Mechanical and Electronic Engineering, Nanjing Forestry University, Nanjing 210037, China
Interests: 3D printing; biomaterials; lattice structures

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Shandong University, Jinan 250061, China
Interests: additive manufacturing; metal 3D printing

Special Issue Information

Dear Colleagues,

3D printing, also known as additive manufacturing, is a creative and magic manufacturing method to form complex components. 3D printing is a new manufacturing technology developed based on the concept of "discrete-stacking" additive manufacturing. Compared with the subtractive manufacturing, 3D printing has many advantages, including infinite structural design space, infinite material design space, and powerful complex structural manufacturing capabilities. Common materials for 3D printing include metal, resin, ceramic, and composite. Common processes for 3D printing include Powder Bed Fusion (PBF), Direct Energy Deposition (DED), Stereolithography (SLA), Digital Light Processing (DLP), Fused Deposition Modelling (FDM), etc.

The Special Issue called “Advances in 3D Printing Technologies: Design, Manufacturing, and Applications” offers a platform for researchers to share the cutting-edge research. The Special Issue covers all aspects of 3D printing technology, especially serving for mechanical engineering and biomedical engineering, including design and simulation for 3D printing, materials and processes for 3D printing, quality and detection for 3D printing, etc.

Dr. Chenchen Tian
Dr. Yi Lu
Prof. Dr. Quanquan Han
Guest Editors

Manuscript Submission Information

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Keywords

  • 3D printing
  • additive manufacturing
  • design and optimization
  • modeling and simulation
  • material and process
  • quality and detection

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Published Papers (1 paper)

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Research

18 pages, 6936 KB  
Article
Anisotropic Behavior in Microstructures and Properties of Refractory Tungsten Metal Produced by Laser Powder Bed Fusion
by Jinguo Ge, Heming Wu, Hongsen Liu, Yanan Zhu, Yan Chen, Wangwei Zhan, Liang Zhang and Zhuming Liu
Materials 2025, 18(16), 3910; https://doi.org/10.3390/ma18163910 - 21 Aug 2025
Viewed by 637
Abstract
This work employed laser powder bed fusion (LPBF) technology to prepare pure tungsten (W) metal components and investigated their internal defects, microstructural characteristics and mechanical properties within the horizontal and vertical planes to evaluate their anisotropic behavior. The steep temperature gradient and extremely [...] Read more.
This work employed laser powder bed fusion (LPBF) technology to prepare pure tungsten (W) metal components and investigated their internal defects, microstructural characteristics and mechanical properties within the horizontal and vertical planes to evaluate their anisotropic behavior. The steep temperature gradient and extremely rapid cooling rate during the LPBF process caused the as-deposited W grains to grow in a columnar crystal structure along the vertical height direction, with cracks propagating along the high-angle grain boundaries (HAGBs). Although the near-equiaxed W grains within the horizontal plane were finer than the epitaxial grains within the vertical plane, the increased number of cracks within the horizontal plane weakened the fine-grained strengthening effect, resulting in lower hardness and wear resistance within the horizontal plane than within the vertical plane. The wear behavior transformed from a comprehensive wear mechanism involving delamination wear and abrasive wear within the vertical plane to an abrasive wear mechanism with slight adhesive wear within the horizontal plane. The reported results demonstrate that the anisotropic behavior of hardness and wear resistance within the different deposition planes was mainly attributed to the differences in microstructure and crack distribution between the horizontal and vertical planes of LPBF-fabricated W parts. Full article
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