本文關鍵詞： 銹蝕監(jiān)測 Fe(C)膜 光纖Bragg光柵 電鍍 磁控濺射　出處：《武漢理工大學》2015年碩士論文　論文類型：學位論文

【摘要】：鋼材的銹蝕是導致混凝土工程結構過早破壞的重要原因,結構的安全服役依賴于對鋼材銹蝕狀態(tài)的有效監(jiān)測。光纖傳感具有抗電磁干擾、靈敏度高、信號穩(wěn)定等優(yōu)點,近年來廣泛應用于結構健康監(jiān)測。光纖光柵作為光纖傳感的重要組成,是利用其對應力、溫度等的響應,通過對波長解調的一種監(jiān)測技術。本文研究了一種基于Fe(C)膜和Bragg光柵的光纖銹蝕傳感技術。該傳感利用了Fe(C)膜的銹蝕敏感特性和Bragg光柵對應變或折射率的響應性能,實現(xiàn)對Fe(C)材料銹蝕狀態(tài)的一種無損、實施和高效的監(jiān)測�；趯e(C)膜和Bragg光柵的充分研究(第二章),得出電鍍Fe(C)膜光柵(第三章)、磁控濺射Fe(C)膜光柵(第四章)和濺射Fe(C)膜刻蝕光柵(第五章)三種銹蝕傳感方案。本文主要研究工作如下:(1)在已提出的基于電鍍法制備Fe(C)膜和Bragg光柵銹蝕傳感的研究基礎上,深入研究電鍍Fe(C)膜工藝,優(yōu)化電鍍參數(shù)提高成膜質量。進一步研究敏感膜光柵結構參數(shù)和銹蝕環(huán)境對傳感特性的影響。對光纖傳感和電化學監(jiān)測進行比較,分析光纖傳感的特點和優(yōu)點。最后對模擬混凝土孔溶液環(huán)境進行銹蝕監(jiān)測,研究混凝土環(huán)境中銹蝕特性。(第三章)(2)研究了磁控法制備Fe(C)磁性材料薄膜,并對薄膜進行測試分析。比較分析濺射和電鍍成膜的質量,并對基于該兩種制備方法敏感膜光柵銹蝕傳感進行比較。最后,重點研究了磁控濺射Fe(C)膜光柵的耐蝕性、重復性和靈敏度等傳感特性。(第四章)(3)提出了一種新型的基于Fe(C)膜和刻蝕Bragg光柵的折射率型銹蝕傳感方法。(第五章)
[Abstract]:Steel corrosion is an important cause of premature failure of concrete structures, the structural safety service depends on the effective monitoring of steel corrosion state. Optical fiber sensor with anti electromagnetic interference, high sensitivity, stable signal advantages, is widely used in structural health monitoring. As an important component of optical fiber grating sensor, using the the stress response, temperature and so on, through a monitoring technology on wavelength demodulation. This paper studies a Fe based (C) optical fiber sensing technology of corrosion film and Bragg grating. The sensor using Fe (C) film corrosion sensitive properties and Bragg grating strain or refractive index response performance, achieve the Fe (C) is a non-destructive material corrosion status, implementation and efficient monitoring. Based on the Fe (C) of membrane and Bragg grating (chapter second), the Fe (C) electroplating film grating (Chapter third), Fe (C) magnetron sputtering film The gate (the fourth chapter) and Fe (C) sputtering film etching grating (Chapter fifth) three kinds of corrosion sensor scheme. The main research work are as follows: (1) in this paper based on the plating preparation of Fe (C) based on Bragg grating film and corrosion sensor on the in-depth study of electroplating Fe (C) film process optimization of electroplating parameters to improve the film quality. Further research on sensitive film grating structure parameters and corrosion effect on the sensing performance. Comparison of optical fiber sensing and electrochemical monitoring, analysis of characteristics and advantages of optical fiber sensor. The corrosion monitoring of environment simulated concrete pore solution, corrosion properties of concrete in the environment (Chapter third.) (2) was investigated by the preparation of Fe (C) thin film magnetic material, and the films were tested and analyzed. A comparative analysis on the quality of sputtering and plating film, and the two kinds of preparation methods of light sensitive film based on grid corrosion sensor were compared. Finally, The sensing characteristics of magnetron sputtering Fe (C) film gratings such as corrosion resistance, repeatability and sensitivity are mainly studied. (fourth chapter) (3) a new refractive index corrosion sensing method based on Fe (C) film and etching Bragg grating is proposed. (fifth chapter)

【學位授予單位】：武漢理工大學
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TU375;TU317

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