Initial studies of glued wood joints using FBG strain sensors

机译：使用FBG应变传感器对胶合木缝进行初步研究

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This work addresses the experimental work of characterization of wood (P. pinaster) bonded joints by means of pure mode I using the double cantilever beam (DCB) configuration test. The approach combines fracture mechanical testing with embedded fiber Bragg grating (FBG) sensors in the glue line. A method for the determination of the FBG reflection spectra shift based on the spectral geometric mean determination is used. The load-displacement (P-δ) curve and wavelength-displacement (λ-δ) curve are acquired and related to each other. An quantification of a global internal equivalent uniform strain applied to the FBG was then calculated.

机译：这项工作解决了使用双悬臂梁（DCB）配置测试通过纯模式I表征木材（P. pinaster）粘结接头的实验工作。该方法将断裂机械测试与胶合生产线中的嵌入式光纤布拉格光栅（FBG）传感器结合在一起。使用基于光谱几何平均值确定的用于确定FBG反射光谱偏移的方法。获取载荷-位移（P-δ）曲线和波长-位移（λ-δ）曲线并相互关联。然后计算施加到FBG的整体内部等效均匀应变的量化。

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来源
《2014 Third Mediterranean Photonics Conference》|2014年|1-3|共3页
会议地点 Trani(IT)
作者
Fernandes J.R.A.; Passos D.J.; Xavier J.; Morais J.J.L.; Frazao O.;
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作者单位

INESC Porto, Portugal;

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原文格式 PDF
正文语种 eng
中图分类
关键词
Fiber Bragg strain sensors; Mode I fracture; Wood bonded joints;

机译：光纤布拉格应变传感器I型骨折；木结合缝；;

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1. Temperature Dependence of Glue-Induced Birefringence in Surface-Attached FBG Strain Sensors [J] . Hopf Barbara, Koch Alexander W., Roths Johannes Lightwave Technology, Journal of . 2016,第4期

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2. Studies on Apparent Strain Using FBG Strain Sensors for Different Structural Materials [J] . K. Kesavan, K. Ravisankar, R. Senthil, Experimental Techniques . 2014,第5期

机译：使用FBG应变传感器对不同结构材料的表观应变的研究
3. A study of FBG sensor and electrical strain gauge for strain measurements [J] . Tahir BA, Saktioto JA, Fadhali M, Journal of optoelectronics and advanced materials . 2008,第10期

机译：用于应变测量的FBG传感器和电应变仪的研究
4. Initial studies of glued wood joints using FBG strain sensors [C] . Fernandes J.R.A., Passos D.J., Xavier J., Mediterranean Photonics Conference . 2014

机译：使用FBG菌株传感器的胶合木接缝初步研究
5. The stress-strain relationships in wood and fiber-reinforced plastic laminae of reinforced glued-laminated wood beams. [D] . Tingley, Daniel Arthur. 1997

机译：胶合层压木梁在木材和纤维增强塑料薄板中的应力-应变关系。
6. Wearable Hand Module and Real-Time Tracking Algorithms for Measuring Finger Joint Angles of Different Hand Sizes with High Accuracy Using FBG Strain Sensor [O] . Jun Sik Kim, Byung Kook Kim, Minsu Jang, 2020

机译：使用FBG应变传感器高精度测量不同手大小的手指关节角度的可穿戴手模块和实时跟踪算法
7. Wearable Hand Module and Real-Time Tracking Algorithms for Measuring Finger Joint Angles of Different Hand Sizes with High Accuracy Using FBG Strain Sensor [O] . Jun Kim, Byung Kim, Minsu Jang, 2020

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Initial studies of glued wood joints using FBG strain sensors

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