Fiber Bragg grating sensors for on-line welding diagnostics

被引：11
作者：
Rodriguez-Cobo, Luis [1 ]
Mirapeix, Jesus [1 ]
Ruiz-Lombera, Ruben [1 ]
Cobo, Adolfo [1 ]
Lopez-Higuera, Jose-Miguel [1 ]
机构：
[1] Univ Cantabria, Photon Engn Grp, E-39005 Santander, Spain
来源：
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY | 2014年 / 214卷 / 04期
关键词：
Fiber Bragg grating; Arc-welding; On-line quality monitoring; Plasma optical spectroscopy; QUALITY-ASSURANCE; DEFECT-DETECTION; OPTICAL SENSOR; SPECTROSCOPY; SYSTEM;
D O I：
10.1016/j.jmatprotec.2013.11.026
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
On-line monitoring of an arc-welding process is performed in this paper by means of fiber Bragg grating transducers (FBGs) in two different configurations. FBGs were glued to the plate surfaces next to the weld joint, and a FBG transducer was designed to sense the perturbations in the air surrounding the welding plasma column. Sensitivity to both temperature and vibrations during the process was analyzed during several tungsten inert gas (TIG) welding tests, showing the feasibility of the proposed design to perform an on-line detection of different welding perturbations. To enhance the analysis, a setup based on plasma optical spectroscopy was also employed to allow a comparison among the response of both techniques to the appearance of these perturbations. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：839 / 843
页数：5
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