Structure of butt joint of as-cast magnesium alloys

Lechosław Tuz , Paweł Kołodziejczak , Andrzej Kolasa

Abstract

The article presents a structural analysis of joints of as-cast magnesium alloys created using three joining methods: friction stir welding, CO2 laser welding and electric arc welding in inert gas shielding using tungsten electrode (TIG). The macro- and microstructures of the butt joints have been evaluated using an optical microscope with a digital image recording system. Two types of magnesium alloys were used in the research: AZ91 and AM-Lite, the main alloying elements of which are zinc and aluminium. The starting material consisted of cast ingots milled to a specific dimension and then cut into plate samples with a thickness of 3 mm. The subsequent analysis showed that it is possible to achieve high-quality joints of magnesium alloys. However, trace quantities of pores have also been found.

Author Lechosław Tuz (FM)
Lechosław Tuz,,
- Faculty of Mechatronics
, Paweł Kołodziejczak (FPE / IoMP)
Paweł Kołodziejczak,,
- The Institute of Manufacturing Processes
, Andrzej Kolasa (FPE / IoMP)
Andrzej Kolasa,,
- The Institute of Manufacturing Processes
Journal seriesWelding International, ISSN 0950-7116, e-ISSN 1754-2138
Issue year2016
Vol30
Pages43-47
ASJC Classification2506 Metals and Alloys; 2210 Mechanical Engineering; 2211 Mechanics of Materials
DOIDOI:10.1080/09507116.2014.937612
Languageen angielski
Score (nominal)5
Score sourcejournalList
ScoreMinisterial score = 0.0, 31-01-2020, ArticleFromJournal
Ministerial score (2013-2016) = 5.0, 31-01-2020, ArticleFromJournal
Publication indicators Scopus Citations = 1; Scopus SNIP (Source Normalised Impact per Paper): 2016 = 0.466
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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