Friction Stir Welding of Thin Sheets of the AA2024-T3 Alloy with a Ceramic Tool: RSM and ANOVA Study

In this study a new ceramics tools with different groove distributions were designed and manufactured in order to enrich technological storage of joining thin-wall structures and obtain sound joint with high quality of alclad AA2024-T3 alloy of 0.5 mm in thickness. Four types of tools were tested, w...

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Bibliographic Details
Published in:Key engineering materials 2022-07, Vol.926, p.1756-1761
Main Authors: Mysliwiec, Piotr, Śliwa, Romana Ewa
Format: Article
Language:English
Subjects:
Aluminum base alloys
Carbide tools
Ceramic tools
Ceramics
Friction stir welding
Grooves
Response surface methodology
Thickness
Thin wall structures
Tungsten carbide
Variance analysis
Welding parameters
Whiskers (metals)
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Summary:In this study a new ceramics tools with different groove distributions were designed and manufactured in order to enrich technological storage of joining thin-wall structures and obtain sound joint with high quality of alclad AA2024-T3 alloy of 0.5 mm in thickness. Four types of tools were tested, without grooves, with 1, 2 and 6 grooves. The tools are made of two materials. The straight shank is made from tungsten carbide and tool body made from ceramics strengthened with whiskers. The influence of technological parameters on the strength of FSW joints was tested by the RSM (Response Surface Methodology) and ANOVA (analysis of variance) method. The least durable weld is produced by a tool without grooves. The 1 and 2-flute tool produces a good quality weld over a wide range of tool speeds. It has been shown that the grooves on the tool shoulder significantly affect the quality of the obtained FSW joint.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/p-0233n9