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Materials
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Contemporary Progresses in Additive Manufacturing and Welding of Advanced Materials
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Contemporary Progresses in Additive Manufacturing and Welding of Advanced Materials

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 May 2024) | Viewed by 3206

Special Issue Editors

Dr. Murali Mohan Cheepu

E-Mail Website
Guest Editor
1. Welding Research Institute, Department of Materials System Engineering, Pukyong National University, Busan, Republic of Korea
2. STARWELDS Inc., Busan, Republic of Korea
Interests: welding and joining; additive manufacturing; welding filler materials development; welding process design; automation; digitalization; rapid tooling; machine learning; AI
Special Issues, Collections and Topics in MDPI journals
Dr. Ragavanantham Shanmugam

E-Mail Website
Guest Editor
School of Engineering, Math and Technology, Navajo Technical University, Crownpoint, NM 87313, USA
Interests: advanced manufacturing; metal additive manufacturing; high-entropy alloys; composites; non-destructive testing; welding and joining
Dr. Katakam Sivaprasad

E-Mail Website
Guest Editor
Department of Metallurgical and Materials Engineering, National Institute of Technology Tiruchirappalli, Tiruchirappalli, India
Interests: super alloys; additive manufacturing; welding; characterization of strategic materials; high-entropy alloys; creep; forming
Special Issues, Collections and Topics in MDPI journals
Mr. Venkata Charan Kantumuchu

E-Mail Website
Guest Editor Assistant
1. Department of Manufacturing, Bradley University, Peoria, IL, 61625, USA
2. Global Quality Director at Electrex Inc., Hutchinson, Kansas, MO, USA
Interests: fabrication; welding; additive manufacturing; quality control; quality assurance; lean manufacturing; operational excellence; challenges and limitations of 3DP and welding; AI; ML

Special Issue Information

Dear Colleagues,

Fabrication technology has emerged as an important tool for modern manufacturing processes that involve cutting-edge materials. It is difficult to deposit components for critical aerospace applications using additive manufacturing’s advanced materials. Several methods have been developed to successfully join modern materials to produce high-quality parts. When it comes to avoiding welding issues with different materials, additive manufacturing is a huge help. There are specific and high costs associated with welding materials like titanium, ceramics, and metal-matrix composites. However, additive manufacturing processes can make the components of these materials at a lower cost. Welding and additive manufacturing are two examples of hybrid manufacturing processes that can be used to construct advanced material parts if the production rate necessitates it. Therefore, studies on the properties of components made with modern manufacturing techniques are essential.

For this Special Issue of Materials we welcome reviews and original research articles from scientists, researchers, industry profession and various engineers working in the areas of additive manufacturing/3D printing and welding processes. We also invite works in the areas of post-processing methods, machining, machine learning, artificial intelligence, IoT additive manufacturing and welding, biomedical, modelling, and process technology developments.

Dr. Murali Mohan Cheepu
Dr. Ragavanantham Shanmugam
Dr. Katakam Sivaprasad
Mr. Venkata Charan Kantumuchu
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

  • advanced materials
  • welding
  • additive manufacturing/3D printing
  • microstructure
  • mechanical properties
  • machine learning and AI
  • modeling
  • residual stresses
  • machining
  • post-processing methods

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

Published Papers (2 papers)

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Research

19 pages, 4431 KiB  
Article
Microstructure, Mechanical Properties and Corrosion Performance of Laser-Welded NiTi Shape Memory Alloy in Simulated Body Fluid
by A. Rajesh Kannan, N. Siva Shanmugam, V. Rajkumar, M. Vishnukumar, S. G. Channabasavanna, Junho Oh, Than Trong Khanh Dat and Jonghun Yoon
Materials 2024, 17(19), 4801; https://doi.org/10.3390/ma17194801 - 29 Sep 2024
Viewed by 1476
Abstract
Laser-welding is a promising technique for welding NiTi shape memory alloys with acceptable tensile strength and comparable corrosion performance for biomedical applications. The microstructural characteristics and localized corrosion behavior of NiTi alloys in a simulated body fluid (SBF) environment are evaluated. A microstructural [...] Read more.
Laser-welding is a promising technique for welding NiTi shape memory alloys with acceptable tensile strength and comparable corrosion performance for biomedical applications. The microstructural characteristics and localized corrosion behavior of NiTi alloys in a simulated body fluid (SBF) environment are evaluated. A microstructural examination indicated the presence of fine and equiaxed grains with a B2 austenite phase in the base metal (BM), while the weld metal (WM) had a coarse dendritic microstructure with intermetallic precipitates including Ti2Ni and Ni4Ti3. The hardness decreased from the BM to the WM, and the average hardness for the BM was 352 ± 5 HV, while it ranged between 275 and 307 HV and 265 and 287 HV for the HAZ and WM, respectively. Uni-axial tensile tests revealed a substantial decrease in the tensile strength of NiTi WM (481 ± 19 MPa), with a reduced joint efficiency of 34%. The localized corrosion performance of NiTi BM was superior to the WM, with electrochemical test responses indicating a pitting potential and low corrosion rate in SBF environments. The corrosion rate of the NiTi BM and WM was 0.048 ± 0.0018 mils per year (mpy) and 0.41 ± 0.019 mpy, respectively. During welding, NiTi’s strength and biocompatibility properties changed due to the alteration in microstructure and formation of intermetallic phases as a result of Ti enrichment. The performance and safety of welded medical devices may be impacted during welding, and it is essential to preserve the biocompatibility of NiTi components for biomedical applications. Full article
(This article belongs to the Special Issue Contemporary Progresses in Additive Manufacturing and Welding of Advanced Materials)
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17 pages, 7414 KiB  
Article
Characteristics of the Side Surfaces and Edges of Welded Wire Meshes Used in the Construction of Welded Slotted Screens
by Mariusz Bąk, Sylwia Wencel and Paweł Wieczorek
Materials 2023, 16(20), 6701; https://doi.org/10.3390/ma16206701 - 16 Oct 2023
Viewed by 1062
Abstract
Welded resistance slotted screens, also known as slotted screens, are a special type of screen primarily used for the filtration and separation of liquids and dust. They are characterized by slots with parallel geometry and precisely defined sizes. The quality of the side [...] Read more.
Welded resistance slotted screens, also known as slotted screens, are a special type of screen primarily used for the filtration and separation of liquids and dust. They are characterized by slots with parallel geometry and precisely defined sizes. The quality of the side surfaces and edges of welded wires determines the durability of the slotted screens made from them. This article presents the results of tests for four types of wires: two types of working profile wires made from austenitic-ferritic steel (duplex) and two types of supporting cross wires made from ferritic steel. The wire surfaces were characterized using a profilometer and atomic force microscopy. Basic roughness parameters Ra, Rz, and SAD (surface area difference) were determined. Surface observations of the working profiles were conducted using scanning electron microscopy. These studies allowed for the characterization of the working wire surfaces used in the production of slotted screens. At work, the results of surface roughness were analyzed based on three measurement methods for wires used in the production of welded slot screens. These results allowed for the identification of the most reliable method for characterizing the surface condition of such products. Full article
(This article belongs to the Special Issue Contemporary Progresses in Additive Manufacturing and Welding of Advanced Materials)
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