A Neural Network Based Approach for the Design of FSW Processes

Abstract:

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Friction Stir Welding (FSW) is an energy efficient and environmentally "friendly" welding process. The parts are welded together in a solid-state joining process at a temperature below the melting point of the workpiece material under a combination of extruding and forging. This technology has been successfully used to join materials that are difficult-to-weld or ‘unweldable’ by fusion welding methods. In the paper a neural network was set up and trained in order to predict the final grain size in the transverse section of a FSW butt joint of aluminum alloys. What is more, due to the relationship between the extension of the “material zones” and the joint resistance, the AI tool was able to furnish indications for the design of the welding process. Experimental tests and subsequent microstructure observations were developed in order to verify the numerical predictions.

Info:

Periodical:

Key Engineering Materials (Volumes 410-411)

Main Theme:

Edited by:

B. Shirvani, R. Clarke, J. Duflou, M. Merklein, F. Micari and J. Griffiths

Pages:

413-420

DOI:

10.4028/www.scientific.net/KEM.410-411.413

Citation:

G. Buffa et al., "A Neural Network Based Approach for the Design of FSW Processes ", Key Engineering Materials, Vols. 410-411, pp. 413-420, 2009

Online since:

March 2009

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Price:

$35.00

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