功能材料
功能材料
공능재료
JOURNAL OF FUNCTIONAL MATERIALS
2015年
1期
1074-1078
,共5页
张宁%陈伟%郑兴%胡文彬%高敏
張寧%陳偉%鄭興%鬍文彬%高敏
장저%진위%정흥%호문빈%고민
Fe-C膜%光纤光栅%锈蚀监测%半电池电位
Fe-C膜%光纖光柵%鏽蝕鑑測%半電池電位
Fe-C막%광섬광책%수식감측%반전지전위
Fe-C film%fiber Bragg grating%corrosion monitoring%half-cell potential
研究了一种基于与钢筋成分相似的 Fe-C膜光纤光栅锈蚀传感器,在模拟海洋环境3.5%NaCl 溶液中进行锈蚀监测,同时与电化学监测比较.对 Fe-C膜进行电子探针、XRD和SEM测试,阐述了传感器的结构和原理.实验结果表明:光纤锈蚀传感器在2.5 d达到最大漂移量430 pm,锈蚀10 d 敏感膜出现脱落,波长发生回落.与电化学监测相比,光纤锈蚀传感器能够实现长期监测,并获得锈蚀时间、锈蚀速率和锈蚀程度等锈蚀状态,对钢结构的实时在线监测具有重要意义.
研究瞭一種基于與鋼觔成分相似的 Fe-C膜光纖光柵鏽蝕傳感器,在模擬海洋環境3.5%NaCl 溶液中進行鏽蝕鑑測,同時與電化學鑑測比較.對 Fe-C膜進行電子探針、XRD和SEM測試,闡述瞭傳感器的結構和原理.實驗結果錶明:光纖鏽蝕傳感器在2.5 d達到最大漂移量430 pm,鏽蝕10 d 敏感膜齣現脫落,波長髮生迴落.與電化學鑑測相比,光纖鏽蝕傳感器能夠實現長期鑑測,併穫得鏽蝕時間、鏽蝕速率和鏽蝕程度等鏽蝕狀態,對鋼結構的實時在線鑑測具有重要意義.
연구료일충기우여강근성분상사적 Fe-C막광섬광책수식전감기,재모의해양배경3.5%NaCl 용액중진행수식감측,동시여전화학감측비교.대 Fe-C막진행전자탐침、XRD화SEM측시,천술료전감기적결구화원리.실험결과표명:광섬수식전감기재2.5 d체도최대표이량430 pm,수식10 d 민감막출현탈락,파장발생회락.여전화학감측상비,광섬수식전감기능구실현장기감측,병획득수식시간、수식속솔화수식정도등수식상태,대강결구적실시재선감측구유중요의의.
Fiber Bragg grating corrosion sensor based on Fe-C film with the similar composition of carbon steel was studied in this paper.Fiber corrosion sensor and electrochemical method were compared for corrosion moni-toring in 3 .5% NaCl solution.EDX,xrd and SEM were investigated on Fe-C film,sensor’s structure and prin-ciple were introduced.The experiment result shows fiber corrosion sensor has the biggest shift of 430 pm in 2. 5 d corrosion;after 10 d corrosion film falls off,corresponding to the decrease of wavelength.Compared to elec-trochemical method,fiber Bragg grating corrosion sensor shows dominance in long-term monitoring;it can get the time,speed and degree of corrosion,which has great significance in online monitoring of carbon steel.