Optical Fiber Sensor for Strain Monitoring of Metallic Device Produced by Very High-Power Ultrasonic Additive Manufacturing

Embedding of optical fiber sensors into materials to detect and monitor the deformation and damage of structures has attracted much attention recently. However, the embedding of optical fiber sensors into metallic materials is usually difficult due to lack of suitable technique, which does not damag...

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Bibliographic Details
Published in:IEEE sensors journal 2019-11, Vol.19 (22), p.10680-10685
Main Authors: He, Xue Lan, Wang, Zhen Qiang, Wang, Dong Hui, Wang, Xian Bin, Liu, Yin, Jiang, Feng Chun, Yuan, Li Bo
Format: Article
Language:English
Subjects:
Acoustics
Additive manufacturing
Aluminum base alloys
Condition monitoring
Contact pressure
Embedding
Fiber optics
Nervous system
Optical fiber couplers
optical fiber embedded
Optical fiber sensors
Optical fibers
Optical measuring instruments
Pressure effects
sensor
Sensors
Strain
strain monitoring
Structural damage
Tensile strain
Ultrasonic additive manufacturing
Ultrasonic testing
White light
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Summary:Embedding of optical fiber sensors into materials to detect and monitor the deformation and damage of structures has attracted much attention recently. However, the embedding of optical fiber sensors into metallic materials is usually difficult due to lack of suitable technique, which does not damage the optical fiber during metal processing. In this paper, we introduced a very high-power ultrasonic additive manufacturing (UAM) for producing metallic structure optical fiber sensors. Single-mode optical fibers (SMFs) were successfully embedded in aluminum (Al 1100) matrix by this technique. Tensile strain experiments were performed by a fiber optical white-light interferometric sensing system, and the effect of consolidation contact pressure of UAM on the output strain-applied strain relation was examined systematically. As the appropriate contact pressure of 1300-1350 N was taken, and the excellent and reliable out strain-applied strain relations were obtained. These results demonstrate that the UAM produced optical sensor like a "nervous system" is capable of monitoring the health condition of metallic structural device.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2019.2928966