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Advances in Welding Techniques, Welding Inspection, and Welding Testing Methods
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Advances in Welding Techniques, Welding Inspection, and Welding Testing Methods

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

Deadline for manuscript submissions: 20 June 2024 | Viewed by 1154

Special Issue Editors

Dr. Chih-Chun Hsieh

E-Mail Website
Guest Editor
Department of Mechanical Engineering, National Taiwan University of Science and Technology, Taipei City 106335, Taiwan
Interests: welding metallurgy; welding technology; dissimilar welding; steels; metals; heat treatment; metallography; physical metallurgy; materials science and engineering; diffusion; rolling
Special Issues, Collections and Topics in MDPI journals
Dr. Chunming Lin

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Minghsin University of Science and Technology, Hsinchu 30401, Taiwan
Interests: welding metallurgy; lightweight structural designs for aircraft and automotive applications; the microstructure and mechanisms underlying novel alloy materials; the design and implementation of composite materials; the development of product design such as orthopedic implants and surgical instruments
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Over the years, there have been significant advancements in welding techniques, resulting in improved efficiency, quality, and adaptability. This Special Issue aims to explore and showcase the latest developments in this field, providing a platform for researchers to share their innovative ideas and findings.

The papers included in this Special Issue cover a wide range of topics, including new materials and filler metals, novel welding processes, and advancements in inspection and testing methods. We encourage submissions of original research articles and review papers that explore how these innovations can enhance the overall welding process, resulting in stronger and more reliable joints.

Dr. Chih-Chun Hsieh
Dr. Chunming Lin
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

  • welding technology
  • improved welding techniques
  • welding process optimization
  • advanced welding equipment
  • weld quality enhancement
  • welding inspection
  • welding testing

Published Papers (1 paper)

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Research

20 pages, 7712 KiB  
Article
The Influence of the Shielding-Gas Flow Rate on the Mechanical Properties of TIG-Welded Butt Joints of Commercially Pure Grade 1 Titanium
by Krzysztof Szwajka, Joanna Zielińska-Szwajka and Tomasz Trzepieciński
Materials 2024, 17(5), 1217; https://doi.org/10.3390/ma17051217 - 06 Mar 2024
Viewed by 492
Abstract
This article proposes as a novelty the differentiation of shielding-gas flow rates from both sides of the tungsten inert gas (TIG)-welded butt joints of commercially pure (CP) grade 1 titanium tubes. Such an approach is aimed at economically reducing the amount of protective [...] Read more.
This article proposes as a novelty the differentiation of shielding-gas flow rates from both sides of the tungsten inert gas (TIG)-welded butt joints of commercially pure (CP) grade 1 titanium tubes. Such an approach is aimed at economically reducing the amount of protective gas used in TIG closed butt welding. The effect of the shielding-gas flow rate on the properties of CP grade 1 titanium butt-welded joints made using the tungsten inert gas (TIG)-welding method. Butt-welded joints were made for different values of the shielding-gas flow from the side of the root of the weld. Argon 5.0 was used as the shielding gas in the welding process. As part of the research, the welded joints obtained were analysed using optical and scanning electron microscopy. The microstructural characteristics of the joints were examined using an optical microscope, and the mechanical properties were determined using hardness and tensile tests. It was observed that as the flow of the shielding gas decreases, the hardness of the weld material increases and its brittleness also increases. A similar trend related to the amount of gas flow was also noticeable for the tensile strength of the joints. The increase in the hardness of the weld and the heat-affected zone compared to the base metal is mainly related to the increase in the amount of acicular structure (α′ phase). The optimal gas flow rates from the side of the root of weld were found at the values of 12 dm3/min. Full article
(This article belongs to the Special Issue Advances in Welding Techniques, Welding Inspection, and Welding Testing Methods)
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