[Kovove materialy - Metallic materials]
    Fri - November 22, 2024 - 07:16 No. of hits : 1800347 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 55 (2017), Issue 3

Mechanical properties of friction stir welded 2024 aluminum alloy and precipitated phases in stir zone
ZHANG, Y. B., DU, C. Y., LI, J. N.
vol. 55 (2017), no. 3, pp. 191 - 194
DOI: 10.4149/km_2017_3_191

Abstract
2024 aluminum alloy sheets in T4 temper were welded successfully by friction stir welding (FSW) technique. When the welding travel speed was 300 mm min–1, tensile strength reached a maximum value (294 MPa). The precipitated phase is mainly metastable U (AlCuMg) of reinforced phases in thermo-mechanically affected zone (TMAZ). Lots of the AlCu3 black particles precipitated on the grain boundary of TMAZ. However, a large number of Cu2Mg black granular precipitates were observed in the WN region.

Key words
friction stir welding, welding, metals and alloys

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Full title of this journal is bilingual: Kovové materiály - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.

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