Resistance Spot Welding Method for Metal-Based Fiber Bragg Grating Sensors |
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Authors: | Zhang Tao Wei Pengyu Yue Yalin |
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Institution: | China Ship Scientific Research Center, Wuxi 214082, P.R.China |
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Abstract: | Aiming at the requirements of installation and work environment of metal-based fiber Bragg grating(FBG)sensor,a resistance spot welding method is presented.Firstly,the effect of welding parameters on welding quality is discussed theoretically,and a suitable resistance spot welding method for the metal-based FBG sensor is proposed for the first time.Then through serial resistance spot welding tests,the feasibility and practicability of the method are verified,and optimal welding parameters for two different tested metals are obtained.Fatigue performance test validates FBG sensors installed by the proposed method with good fatigue properties and long-term stable measurement performance.The research results can provide technical guidance for engineering structure long-term safety monitoring. |
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Keywords: | fiber Bragg grating (FBG) sensor resistance spot welding parametric optimization |
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