Laser Additive Manufacturing of Alloys

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

Deadline for manuscript submissions: closed (10 March 2025) | Viewed by 1572

Special Issue Editors


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Guest Editor
Department of Mechanical Engineering, Auburn University, Auburn, AL 36849, USA
Interests: additive manufacturing; convergent manufacturing; PSPP linkages; AI and machine learning
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Materials Engineering, Auburn University, Auburn, AL 36849, USA
Interests: mems; nanotechnology; additive manufacturing; nanoindentation; materials characterization

Special Issue Information

Dear Colleagues,

Introduction

Laser Additive Manufacturing (LAM) of alloys represents a transformative advancement in the field of manufacturing. This innovative technology offers unparalleled precision in material deposition, enabling the creation of complex geometries and customized alloy properties. The significance of LAM lies in its potential to revolutionize industries by enhancing the performance and capabilities of manufactured components. By providing fine control over microstructure and properties, LAM is poised to address critical challenges in aerospace, automotive, biomedical, and other high-performance sectors.

Aim of this Special Issue

This Special Issue aims to consolidate cutting-edge research and developments in the Laser Additive Manufacturing of alloys, aligning with the journal's scope of advancing knowledge in materials science and manufacturing engineering. This Special Issue seeks to explore the intersection of materials’ development, process optimization, microstructural characterization, and mechanical performance within the context of LAM. By focusing on these key areas, this Special Issue will highlight the latest innovations, practical applications, and future directions in LAM, contributing to the broader field of advanced manufacturing technologies.

Suggested Themes and Article Types

In this Special Issue, we welcome original research articles and comprehensive reviews that delve into various aspects of the Laser Additive Manufacturing of alloys. Submissions are welcomed to focus on, but are not limited to, the following areas:

  1. LAM Technologies: Studies on laser powder bed fusion (LPBF), laser direct energy deposition (DED), and other related techniques.
  2. Alloy Development: Research on the design and optimization of novel alloy compositions for LAM, including high-entropy alloys, titanium alloys, aluminum alloys, and nickel-based superalloys.
  3. Process Optimization and Control: Innovations in process monitoring, real-time feedback systems, in situ diagnostics, and machine learning applications for improving LAM processes.
  4. Microstructural Characterization: Detailed analyses of microstructural evolution, phase transformations, and defect formation using advanced characterization techniques.
  5. Mechanical Properties and Performance: Investigations into the tensile, fatigue, creep, and other mechanical properties of LAM-fabricated components, and strategies for enhancing their robustness.
  6. Applications and Case Studies: Demonstrations of LAM in practical applications across various industries, showcasing benefits and addressing challenges.
  7. Challenges and Future Directions: Discussions on current limitations of LAM, such as residual stresses and scalability, and proposed research directions to overcome these challenges.

We look forward to receiving your contributions, which will advance our understanding and application of the Laser Additive Manufacturing of alloys, pushing the boundaries of what is possible in manufacturing science.

Dr. Elham Mirkoohi
Prof. Dr. Barton C. Prorok
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

  • laser additive manufacturing (LAM)
  • alloy development
  • process optimization
  • microstructural characterization
  • mechanical properties
  • advanced manufacturing technologies

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Published Papers (1 paper)

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Review

22 pages, 3758 KiB  
Review
Laser Cladding In Situ Carbide-Reinforced Iron-Based Alloy Coating: A Review
by Junli Tang, Kaiming Wang and Hanguang Fu
Metals 2024, 14(12), 1419; https://doi.org/10.3390/met14121419 - 11 Dec 2024
Viewed by 1256
Abstract
Laser cladding, as an advanced surface modification technology, has the advantages of a high energy density, controlled dilution rate and good metallurgical bonding between the coating and the substrate. Its rapid heating and cooling properties help to form a dense and fine coating [...] Read more.
Laser cladding, as an advanced surface modification technology, has the advantages of a high energy density, controlled dilution rate and good metallurgical bonding between the coating and the substrate. Its rapid heating and cooling properties help to form a dense and fine coating structure on the surface of the substrate, thus enhancing wear and corrosion resistance. In recent years, the in situ generation of carbide-reinforced iron-based composite coatings has gradually become a research hotspot because it combines the high hardness values of carbide with the high toughness values of iron-based alloys, which significantly improves the comprehensive performance of the coatings. This paper reviews the research progress of laser cladding in situ carbide-reinforced iron-based alloy coatings and explores the role of different types of in situ synthesized carbides (TiC, NbC, WC, etc.) in the coatings and their effects on their wear resistance and mechanical properties. The distribution of carbides in the coatings and their morphological characteristics are also discussed, and the effects of laser power, scanning speed and auxiliary treatments (ultrasonic vibration, induction heating, etc.) on the microstructure and properties of the coatings are analyzed. Finally, the problems and future directions of development in this field are envisioned. Full article
(This article belongs to the Special Issue Laser Additive Manufacturing of Alloys)
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