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Advances in Metal-Based Multi-Material Additive Manufacturing

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

Deadline for manuscript submissions: closed (20 January 2023) | Viewed by 7272

Special Issue Editor


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Guest Editor
Particle and Process Engineering, Faculty of Production Engineering, University of Bremen, Bremen, Germany
Interests: additive manufacturing; atomization; thermophysical properties
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Additive manufacturing techniques open up a wide range of new possibilities in application and research. These processes combine high geometric degrees of freedom with new potentials for alloy design resulting from high cooling rates. While a great level of understanding has been achieved for additive manufacturing of single materials through experimentation and modeling, little is known about implementing a combination of materials into additive manufacturing processes.

I would like to invite you to contribute to this current research topic with this Special Issue. Potential topics may include:

  • Additive manufacturing of metallic compounds or graded materials with LPBF (Laser Powder Bed Fusion), DED (Direct Energy Deposition) or other AM processes, whereby for composites the substrate can already represent a component (i.e. aluminum printed on a functional copper substrate with a material mixing zone)
  • Experimental studies as well as modeling approaches to gain knowledge on process conditions
  • Experimental and theoretical determination of thermophysical properties (i.e. surface tension, viscosity, density, latent heat) for the composition of mixing zones to obtain a deepened understanding of the multi-material process
  • Multimaterial applications through combination of different mechanical or functional properties

Dr. Nils Ellendt
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.

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

  • additive manufacturing
  • multi-material
  • composites
  • gradient materials
  • thermophysical properties
  • modeling

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Published Papers (1 paper)

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Review

33 pages, 11407 KiB  
Review
Latest Developments to Manufacture Metal Matrix Composites and Functionally Graded Materials through AM: A State-of-the-Art Review
by Marta Ostolaza, Jon Iñaki Arrizubieta, Aitzol Lamikiz, Soraya Plaza and Naiara Ortega
Materials 2023, 16(4), 1746; https://doi.org/10.3390/ma16041746 - 20 Feb 2023
Cited by 29 | Viewed by 6770
Abstract
Multi-material structure fabrication has the potential to address some critical challenges in today’s industrial paradigm. While conventional manufacturing processes cannot deliver multi-material structures in a single operation, additive manufacturing (AM) has come up as an appealing alternative. In particular, laser-directed energy deposition (L-DED) [...] Read more.
Multi-material structure fabrication has the potential to address some critical challenges in today’s industrial paradigm. While conventional manufacturing processes cannot deliver multi-material structures in a single operation, additive manufacturing (AM) has come up as an appealing alternative. In particular, laser-directed energy deposition (L-DED) is preferred for multi-material AM. The most relevant applications envisioned for multi-material L-DED are alloy design, metal matrix composites (MMC), and functionally graded materials (FGM). Nonetheless, there are still some issues that need to be faced before multi-material L-DED is ready for industrial use. Driven by this need, in this literature review, the suitability of L-DED for multi-material component fabrication is first demonstrated. Then, the main defects associated with multi-material L-DED and current opportunities and challenges in the field are reported. In view of the industrial relevance of high-performance coatings as tools to mitigate wear, emphasis is placed on the development of MMCs and FGMs. The identified challenges include—but are not limited to—tightly controlling the composition of the multi-material powder mixture injected into the melt pool; understanding the influence of the thermal history of the process on microstructural aspects, including the interactions between constituents; and studying the in-service behaviours of MMCs and FGMs with regard to their durability and failure modes. Full article
(This article belongs to the Special Issue Advances in Metal-Based Multi-Material Additive Manufacturing)
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