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Metals
Special Issues
Powder Bed and Emerging Metal Additive Manufacturing Technologies
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Powder Bed and Emerging Metal Additive Manufacturing Technologies

A special issue of Metals (ISSN 2075-4701). This special issue belongs to the section "Additive Manufacturing".

Deadline for manuscript submissions: closed (30 April 2024) | Viewed by 8688

Special Issue Editors

Dr. Chaoqun Zhang

E-Mail Website
Guest Editor
Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: metal additive manufacturing; laser powder bed fusion; multi-material additive manufacturing; dissimilar welding
Special Issues, Collections and Topics in MDPI journals
Dr. Samuel Tammas-Williams

E-Mail Website
Guest Editor
School of Engineering, University of Edinburgh, Scotland EH9 3FB, UK
Interests: additive manufacture of metal components; X-ray computed tomography; materials integrity; functionally graded materials
Special Issues, Collections and Topics in MDPI journals
Dr. Alphons Anandaraj Antonysamy

E-Mail Website
Guest Editor
Additive Manufacturing Centre, GKN Aerospace, Bristol BS34 6FB, UK
Interests: additive manufacturing (AM-EBM and laser powder bed, powder and wire fed laser and EBM including binder jet); powder metallurgy (PM); net-shape HIP; liner and rotational friction welding technologies
Special Issues, Collections and Topics in MDPI journals
Dr. Junliang Liu

E-Mail Website
Guest Editor
Department of Materials, University of Oxford,16 Parks Road, Oxford, OX1 3PH, UK
Interests: metallic materials; nuclear structural materials; applications of nano-analysis techniques(SIMS, TKD, EBSD, FIB, TEM, in-situ TEM)

Special Issue Information

Dear Colleagues,

Additive manufacturing (AM) technologies are vital for the fabrication of complex-shaped metallic components. In recent years, metal additive manufacturing technologies, especially powder bed-based and emerging metal additive manufacturing technologies, including laser powder bed fusion and binder jetting additive manufacturing (BJAM), have advanced significantly. AM of metallic parts with no geometric limitations has enabled new product design possibilities and opportunities, quick response in part production, reduced part weight, improved product performance, increased heat transfer performance, multiple materials in one part, etc. Consequently, powder bed-based and emerging metal additive manufacturing technologies have attracted significant industrial and academic interest. Among them, BJAM has shown the ability to print a large number of parts in a quick and cost-effective manner, which is important for high-volume manufacturing.

This Special Issue is devoted to publishing original research and high-quality review articles relevant to recent advances in powder bed and emerging metal additive manufacturing technologies. Potential topics for this Special Issue will include, but are not limited to, the following:

  • Laser powder bed fusion/electron beam powder bed fusion;
  • Sinter-based/binder jetting additive manufacturing technologies;
  • Laser-based additive manufacturing technologies;
  • Additive manufacturing of titanium, copper, magnesium and their alloys;
  • Wire arc additive manufacturing;
  • Multi-material additive manufacturing technologies;
  • Solid-state additive manufacturing.

Dr. Chaoqun Zhang
Dr. Samuel Tammas-Williams
Dr. Alphons Anandaraj Antonysamy
Dr. Junliang Liu
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. Metals 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

  • powder bed-based additive manufacturing
  • laser powder bed fusion
  • sinter-based/binder jetting additive manufacturing
  • metal additive manufacturing

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

Published Papers (3 papers)

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Editorial

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3 pages, 172 KiB  
Editorial
Ultrasonic Additive Manufacturing of Metallic Materials
by Chaoqun Zhang, Hongying Yu, Dongbai Sun and Wen Liu
Metals 2022, 12(11), 1912; https://doi.org/10.3390/met12111912 - 8 Nov 2022
Cited by 3 | Viewed by 2642
Abstract
Ultrasonic additive manufacturing (UAM), a solid-state additive manufacturing technology, was invented in 1999 by Dawn White [...] Full article
(This article belongs to the Special Issue Powder Bed and Emerging Metal Additive Manufacturing Technologies)

Research

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12 pages, 5821 KiB  
Article
Mechanical Properties of Cu-W Interpenetrating-Phase Composites with Different W-Skeleton
by Ying Han, Sida Li, Yundong Cao, Shujun Li, Guangyu Yang, Bo Yu, Zhaowei Song and Jian Wang
Metals 2022, 12(6), 903; https://doi.org/10.3390/met12060903 - 25 May 2022
Cited by 12 | Viewed by 2218
Abstract
In this work, copper–tungsten (Cu-W) composites with a cubic and rhombic dodecahedron W-skeleton were fabricated by the infiltration of Cu melt into a three-dimensionally printed W scaffold. The effects of the skeleton structure on the mechanical properties and energy-absorbing characteristics of the Cu-W [...] Read more.
In this work, copper–tungsten (Cu-W) composites with a cubic and rhombic dodecahedron W-skeleton were fabricated by the infiltration of Cu melt into a three-dimensionally printed W scaffold. The effects of the skeleton structure on the mechanical properties and energy-absorbing characteristics of the Cu-W interpenetrating-phase composite were investigated and compared with those of commercial Cu-W composite fabricated by powder metallurgy. The results indicated that the mechanical properties of the studied Cu-W interpenetrating-phase composites were mainly related to the properties of their ordered skeletons. Compared to the dodecahedron W-skeleton Cu-W composites, cubic-W-skeleton Cu-W composites exhibited higher strengths but lower absorbed energy. The Cu-W composites with ordered W-skeletons displayed much higher energy absorption than the commercial Cu-W ones. By adjusting the ordered W-skeleton structure contained in the composite, the strength and deformation behavior of the Cu-W composite can be effectively improved, which provides a guide to optimizing the mechanical properties and energy absorption of Cu-W composites. Full article
(This article belongs to the Special Issue Powder Bed and Emerging Metal Additive Manufacturing Technologies)
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12 pages, 2971 KiB  
Article
Active Slip Mode Analysis of an Additively Manufactured Ti-6Al-4V Alloy via In-Grain Misorientation Axis Distribution
by Chen Li, Jingli Sun, Aihan Feng, Hao Wang, Xiaoyu Zhang, Chaoqun Zhang, Fu Zhao, Guojian Cao, Shoujiang Qu and Daolun Chen
Metals 2022, 12(4), 532; https://doi.org/10.3390/met12040532 - 22 Mar 2022
Cited by 11 | Viewed by 2534
Abstract
Selective laser-melted (SLM) Ti-6Al-4V alloy was quasi-statically compressed in the transverse and longitudinal directions at a strain rate of 1 × 10−3 s−1 at room temperature. The twinning, in-grain misorientation axis (IGMA) distribution and active slip modes of individual grains in [...] Read more.
Selective laser-melted (SLM) Ti-6Al-4V alloy was quasi-statically compressed in the transverse and longitudinal directions at a strain rate of 1 × 10−3 s−1 at room temperature. The twinning, in-grain misorientation axis (IGMA) distribution and active slip modes of individual grains in the deformed SLM Ti-6Al-4V alloy were studied in detail via transmission Kikuchi diffraction (TKD) and transmission electron microscopy (TEM). The α’/α phase was textured with the c-axis oriented either at ~45° or perpendicular to the building direction (BD). A combined analysis of the IGMA distribution and Schmid factor revealed that the prismatic <a> slip or pyramidal slip was easily activated in the soft grains with their c-axes perpendicular to the BD (or the loading direction) in the longitudinal compressed sample, while slip was hardly activated in the transverse compressed sample due to the lack of soft grains. Prismatic <a> slip with IGMA around <0001> Taylor axis also occurred in {10–11} twins. The observations revealed that the prismatic <a> slip played a key role in accommodating the external strain and, thus, well explained the anisotropy of mechanical properties in the SLM Ti-6Al-4V alloy. Full article
(This article belongs to the Special Issue Powder Bed and Emerging Metal Additive Manufacturing Technologies)
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