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Recent Developments in Welding Technology of 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 April 2023) | Viewed by 2364

Special Issue Editor


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Guest Editor
Research Administration Center, Toyohashi University of Technology, Toyohashi, Japan
Interests: thick coating; thermal spraying; dissimilar materials welding; friction stir welding

Special Issue Information

Dear Colleagues,

The development of an advanced joining process is a significant objective when it comes to determining the ideal multimaterial design. This involves both an advanced joining process and advanced surface modification technology for bulk materials. Friction stir welding is the main element of bulk joining, and using a non-melting plastic flowing process in the place of regular fusion welding is expected to offer infinite possibilities as regards the future of welding and joining processes. Joining dissimilar materials via friction stirring is main topic of this Special Issue, but thermal spraying, cold spraying, and aerosol deposition in the surface modification process of materials are also of interest. A common feature in these three processes is the formation of a thick coating with so-called particle deposition, and papers focusing on the verification of the coating formation mechanism in the PD process are invited.

Prof. Dr. Masahiro Fukumoto
Guest Editor

Manuscript Submission Information

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Keywords

  • multimaterials
  • dissimilar materials welding
  • friction stir welding
  • surface modification
  • thick coating
  • thermal spraying

Published Papers (1 paper)

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Research

16 pages, 20080 KiB  
Article
Microstructure and Mechanical Properties of Dissimilar Friction Stir Welded Joint AA7020/AA5083 with Different Joining Parameters
by Janusz Torzewski, Magdalena Łazińska, Krzysztof Grzelak, Ireneusz Szachogłuchowicz and Janusz Mierzyński
Materials 2022, 15(5), 1910; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15051910 - 04 Mar 2022
Cited by 9 | Viewed by 1825
Abstract
The present paper aims to analyze the influence of process parameters (tool traverse speed and tool rotational speed) on the macrostructure, microhardness, and mechanical properties of dissimilar friction stir welded (FSW) butt joints. Nine combinations of FSW parameters welded joints of aluminum alloys [...] Read more.
The present paper aims to analyze the influence of process parameters (tool traverse speed and tool rotational speed) on the macrostructure, microhardness, and mechanical properties of dissimilar friction stir welded (FSW) butt joints. Nine combinations of FSW parameters welded joints of aluminum alloys 7020-T651 and 5083-H111 were characterized. Plates in 5 mm thickness were welded using the FSW method as dissimilar joints with three values of tool rotation parameters (400, 800, and 1200 rpm) and three welding speeds (100, 200, 300 mm/min). The macroscopic observations revealed various shapes of the stir zone and defects resulting from excess and insufficient heat input. Microfractographic analysis and tensile test results showed that the samples made with the FSW parameters of 800 rpm and 200 mm/min had the best strength properties: UTS = 303 MPa, YS = 157 MPa, and A = 11.6 %. Moreover, for all welds at welding speed 100 mm/min, the joint efficiency reached 95%. Full article
(This article belongs to the Special Issue Recent Developments in Welding Technology of Materials)
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