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首頁(yè)> 中文期刊> 《原子能科學(xué)技術(shù)》 >甲基苯駢三氮唑和磷酸鈉對(duì)銅及不銹鋼的緩蝕性能研究

甲基苯駢三氮唑和磷酸鈉對(duì)銅及不銹鋼的緩蝕性能研究

     

摘要

針對(duì)含銅冷卻水系統(tǒng)發(fā)生的腐蝕問(wèn)題,采用電化學(xué)測(cè)試、浸泡試驗(yàn)及動(dòng)水試驗(yàn)等方法,研究了緩蝕劑對(duì)銅和不銹鋼的緩蝕性能和緩蝕機(jī)理。結(jié)果表明:甲基苯駢三氮唑+磷酸鈉復(fù)配方案對(duì)銅的緩蝕效果最佳,無(wú)論純水還是惡劣水質(zhì)條件下,緩蝕劑對(duì)銅均具有優(yōu)異的緩蝕作用。同時(shí),緩蝕劑中的磷酸鈉提高了不銹鋼的擊穿電位,因而提高了不銹鋼的抗腐蝕性能。%Based on the corrosion issue of cooling water system containing copper ,the corrosion inhibition properties and protection mechanism of inhibition on copper and stainless steel were studied by performing the electrochemical test ,immersion test and dynamic water simulation test .The results show that corrosion inhibitors have excellent corrosion inhibition efficiency on copper in the condition of either pure water or harsh water . The optimum inhibitor is the compound consisting of TTA and sodium orthophosphate .At the same time , the corrosion inhibitor elevates the breakdown potential of stainless steel and contributes to the enhancement of corrosion resistance .

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