Fiber Bragg grating sensors for on-line welding diagnostics

L. Rodriguez-Cobo; J. Mirapeix; R. Ruiz-Lombera; A. Cobo; J. M. Lopez-Higuera

doi:10.1117/12.2025723

20 May 2013 Fiber Bragg grating sensors for on-line welding diagnostics

L. Rodriguez-Cobo, J. Mirapeix, R. Ruiz-Lombera, A. Cobo, J. M. Lopez-Higuera

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 879441 (2013) https://doi.org/10.1117/12.2025723
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

Abstract

In this work Fiber Bragg Grating transducers (FBGs) are used to perform an on-line monitoring of an arc-welding process by means of the combined temperature and strain profile. The main goal of this approach is to establish a correlation between the appearance of defects in the seams and the response offered by the FBGs, exploring the optimal disposition of the FBGs in terms of their sensitivity to weld defects. The proposed solution will be explored by means of welding tests and a comparison with a plasma spectroscopic analysis.

Citation Download Citation

L. Rodriguez-Cobo, J. Mirapeix, R. Ruiz-Lombera, A. Cobo, and J. M. Lopez-Higuera "Fiber Bragg grating sensors for on-line welding diagnostics", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 879441 (20 May 2013); https://doi.org/10.1117/12.2025723

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