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Metal Additive Manufacturing, Microstructures and Properties

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Metals and Alloys".

Deadline for manuscript submissions: closed (20 November 2023) | Viewed by 916

Special Issue Editors


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Guest Editor
Department of Mechanical Engineering, College of Engineering & Technology, Kattankulathur, Chennai, India
Interests: computational materials design; materials modeling and optimization; materials informatics; process modeling; integrated computational materials engineering; artificial intelligence and machine learning; high-strength alloys; biomaterials; composite materials

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Guest Editor
Wire Arc Additive Manufacturing & 3D Printing, CSIR—Central Mechanical Engineering Research Institute, Durgapur, India
Interests: wire arc-based directed energy deposition; non-conventional manufacturing; arc welding processes; friction stir welding and laser beam welding; material characterization; material processing and alloy development; failure analysis; corrosion behavior

Special Issue Information

Dear Colleagues,

Metal additive manufacturing (MAM) is now a key component of Industry 4.0-based smart factories. It typically uses a variety of materials, including metals and alloys. Knowledge of the materials to be used for different MAM processes will be required for the sustainable development of these process in the near future. This Special Issue will provide readers with the necessary knowledge to take advantage of current and upcoming technological advancements in MAM for the creation of reliable, cost-effective engineering components for the production of complex metal parts for a variety of markets, including aerospace, automotive and medical devices. This issue precisely discusses the various materials used for the MAM process, in correlation with past, present and future trends, and along with their application potential.

It has been recognized that the microstructure and mechanical properties of MAM materials are highly influenced by the process parameters, path orientations, thermal gradients and deposition atmosphere. Therefore, the details of metallurgical and mechanical influence with respect to changing various input criteria will also be covered in this issue.

In addition, this Special Issue also includes different aspects of the MAM processes in line with the modeling and optimization of mechanical and functional properties and their respective microstructural representations. The application of multi-scale modeling techniques, including integrated computational materials engineering (ICME), and applications of artificial intelligence and machine learning tools in the domain of MAM, will also be covered in this issue.

Prof. Dr. Shubhabrata Datta
Dr. Manidipto Mukherjee
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

  • powder bed fusion-based MAM processes
  • directed energy deposition-based MAM processes
  • binder jetting-based MAM processes
  • cold spray-based MAM techniques
  • ultrasonic additive manufacturing
  • wire arc additive manufacturing
  • friction-based MAM techniques
  • defects associated with MAM and post-processing techniques
  • mechanical properties of MAM components
  • elastic and plastic deformation characteristics
  • microstructure–property correlation
  • multi-scale modeling and simulation of MAM
  • process monitoring and property control of MAM techniques
  • ICME of MAM processes
  • applications of AI-ML
  • process optimization

Published Papers (1 paper)

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Research

17 pages, 5840 KiB  
Article
Fatigue-Induced HCP-to-FCC Phase Transformation Resulting in Two FCC-Zr Variants in Pure Zirconium
by Qing Jiang, Yao Chen, Qi Shuai, Fulin Liu, Lang Li, Chao He, Hong Zhang, Chong Wang, Yongjie Liu and Qingyuan Wang
Materials 2023, 16(18), 6215; https://doi.org/10.3390/ma16186215 - 14 Sep 2023
Viewed by 695
Abstract
This study utilized transmission electron microscopy (TEM) and on-axis transmission Kikuchi diffraction (TKD) to investigate the fatigue-induced HCP-to-FCC phase transformation in industrial pure zirconium under a stress ratio of R = 0.1. The results show that fatigue damages result from phase deformations during [...] Read more.
This study utilized transmission electron microscopy (TEM) and on-axis transmission Kikuchi diffraction (TKD) to investigate the fatigue-induced HCP-to-FCC phase transformation in industrial pure zirconium under a stress ratio of R = 0.1. The results show that fatigue damages result from phase deformations during cyclic loadings. The fatigue-induced FCC-Zr phases exhibit a B-type orientation relationship with the HCP-Zr matrix. Notedly, due to the different growth directions of Shockley partial dislocations relative to nucleation points, there are two FCC-Zr variants after the HCP-to-FCC phase transformation. The content of these two variants accounts for 65% and 35% of the total FCC-Zr, respectively, appearing as lamellae morphology embedded parallelly within the matrix. The distribution of the two variants includes isolated distribution and adjacent distribution. For the adjacent distribution, a twinning relationship is observed between the two variants. Meanwhile, as an intermediate transition stage of the HCP-to-FCC phase transformation, stacking faults are observed at the boundaries of the FCC-Zr lamellae. These findings offer insights into the microstructural features and formation mechanisms of fatigue-induced HCP-to-FCC phase transformation. Full article
(This article belongs to the Special Issue Metal Additive Manufacturing, Microstructures and Properties)
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