Submerged Friction Stir Processing of En Aw 5754 Aluminum Alloy

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Friction stir processing is a research domain in a continuous dynamic that has led to the development of some variants of its application. One of the variants is submerged friction stir processing to avoid excessive heating of the processing tool and the materials to be processed. The paper presents the results of the experimental research carried out at ISIM Timisoara regarding the submerged friction stir processing (SFSP) of the EN AW 5754 aluminum alloy with a thickness of 3 mm. SFSP processing was performed in one pass and in multiple passes using a processing tool having conical pin with four flat chamfers and different processing parameters. To evaluate the processed material, structural analyses, hardness measurements, as well as mechanical tensile and static bending tests were performed.The preliminary experimental research carried out within the ongoing Nucleu PN 23 37 01 02 project shows favorable results in the SFSP processing of the EN AW 5754 aluminum alloy.

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Materials Science Forum (Volume 1161)

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45-53

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October 2025

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© 2025 Trans Tech Publications Ltd. All Rights Reserved

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