Experimental Research on FSW and SFSW Welding of EN AW 7075 Aluminum Alloy

Abstract:

Currently, worldwide priority industrial fields have a continuous and rapid development from a scientific and technological point of view. This fact determines the development of new manufacturing processes, new materials and technologies, the reconfiguration and modernization of important industrial sectors, in order to adapt to the current high performance and quality requirements. At the same time, new processes for joining and processing metallic materials, as well as methods and techniques for their application, current at the international level, were developed. Thus, friction stir welding (FSW) is a material joining process of international interest in top research centers and at the industrial level. One application variant of this process is FSW welding in a liquid working environment (Submerged Friction Stir Welding - SFSW), research on the application possibilities for different types of materials being in continuous development. The paper presents comparative results of ISIM Timisoara regarding the FSW and SFSW welding of EN AW 7075 aluminum alloy 5mm thick, using the same type of welding tool. These results are useful in the experimental researches of friction stir processing in air (FSP) and in liquid environment (SFSP) of aluminum alloy EN AW7075, which will be carried out in the Nucleu project PN 23 37 01 02 underway at ISIM Timisoara.

• Periodical: Key Engineering Materials (Volume 993)
• Pages: 45-52
• DOI: https://doi.org/10.4028/p-2WXhnh
• Online since: November 2024
• Authors: Lia-Nicoleta Botila*, Ion Aurel Perianu, Matei Marin-Corciu, Emilia-Florina Binchiciu, Iuliana Duma, Radu Nicolae Popescu
• Keywords: EN AW 7075 Aluminum Alloy, Friction Stir Welding, FSW Welding Experiments, Liquid Working Environment, SFSW Welding Experiments

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