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Research on High-Heat-Input Welding and Three-Dimensional Printing

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 April 2024) | Viewed by 657

Special Issue Editor


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Guest Editor
Smart Mobility Materials and Components R&D Group, Korea Institute of Industrial Technology, Cheonan 61012, Republic of Korea
Interests: research on high-heat-input welding; three-dimensional printing

Special Issue Information

Dear Colleagues,

This Special Issue aims to focus on high-heat-input welding, e.g., laser welding and plasma and welding, which involves welding with high-heat-input for obtaining greater welding efficiency than conventional welding processes.

We invite submissions of papers that address optimization of welding conditions, changes in mechanical properties after welding, numerical analysis based on the finite element of welding, challenges in 3D printing and WAAM (wire arc additive manufacturing), etc.

Dr. Jaewoong Kim
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

  • laser welding
  • plasma welding
  • 3D printing
  • wire arc additive manufacturing

Published Papers (1 paper)

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Research

20 pages, 13583 KiB  
Article
Weld Zone Analysis Based on FCAW Mechanical Characteristics and Heat Transfer Analysis of 316L Stainless Steel for Liquefied Hydrogen Tanks
by Younghyun Kim, Sungbin Hong, Eulyong Ha, Gyuhae Park and Jaewoong Kim
Materials 2024, 17(11), 2630; https://doi.org/10.3390/ma17112630 - 29 May 2024
Viewed by 443
Abstract
The International Maritime Organization (IMO) is currently rolling out more restrictive regulations in order to achieve net-zero GHG emissions by 2050. In response, the shipping industry is planning to pivot to green energy sources such as hydrogen fuel. However, since hydrogen has an [...] Read more.
The International Maritime Organization (IMO) is currently rolling out more restrictive regulations in order to achieve net-zero GHG emissions by 2050. In response, the shipping industry is planning to pivot to green energy sources such as hydrogen fuel. However, since hydrogen has an extremely low boiling point (−253 °C), materials for storing liquid hydrogen must be highly resistant to low-temperature brittleness and hydrogen embrittlement. A 316L stainless steel is a typical material that meets these requirements, and various welds have been studied. In this study, 3 pass butt welding was performed by applying the FCAW (flux cored arc welding) process to 10 mm thick ASTM-A240M-316L stainless steel, with the size of the fusion zone and HAZ investigated by mechanical testing and heat transfer FE analysis according to process variables, such as heat input, welding speed, and the number of passes. In all cases, the yield and tensile strengths were about 10% and 3% higher than the base metal, respectively. Furthermore, heat transfer FE analysis showed an average error rate of 1.3% for penetration and 10.5% for width and confirmed the size of the HAZ, which experienced temperatures between 500 °C and 800 °C. Full article
(This article belongs to the Special Issue Research on High-Heat-Input Welding and Three-Dimensional Printing)
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