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中国腐蚀与防护学报  1999, Vol. 19 Issue (5): 257-264     
  研究报告 本期目录 | 过刊浏览 |
苯并三氮唑对BFe30-1-1在单相及含沙人工海水中冲刷腐蚀的抑制作用*
杨帆;郑玉贵;闫丽静
中科院金属所金属腐蚀与防护国家重点实验室
EFFECT OF BTA ON EROSION-CORROSION INHIBITION OF BFe30-1-1 IN SINGLE AND SAND-CONTAINING ARTIFIBIAL SEAWATER
Fan Yang;;;
中科院金属所金属腐蚀与防护国家重点实验室
全文: PDF(196 KB)  
摘要: 采用旋转圆筒式冲刷认错装置通过多种电化学测试及失重测量研究了苯并三氮唑(BTA)对BFe30-1-1在单相及含砂人工海水中冲刷腐蚀的抑制作用。结果表明,BTA可有效抑制BFe30-1-1在单相及含砂人工海水中冲刷腐蚀的阴、阳极反应,属几何覆盖型缓蚀剂,其吸附满足Langmiur等温式;BTA在单相流动海水中比静态下缓蚀作用更强,但流速较高时,BTA缓蚀作用下降;在含砂人工海水中,BTA缓蚀作用随砂含量的增加而降低。
关键词 冲刷腐蚀BFe30-1-1单相及含砂人工海水    
Abstract:The inhibition of BTA from erosion-corrosion of BFe30-1-1 in single and sand-containing artificial seawater have been investigated using rotating cylinger apparatus.The methods adopted in the experiments were weight loss and electrochemical measurements insluding linear polarization resistance and potentiodynamic scanning as well as electrochenical inpedance spectroscopy..The results showed that BTA could significantly retarede both the anodic and cathodic reactions of BFe30-1-1 in the media by geometric blocking effect.The adsorption of BTA on the alloy followed Langmiur isotherm.BTA showed better ingibition action in flowing seawater than in static seawater.however,the ingibiting action of BTA decreased then the fluid velocity of artificial seawater was even higher.Furthrmore,the ingibition efficiency of BTA in sand-containing artificial seawater decreased with increasing sand content probably due to the strong mechanical erosion action of sand against electrode surface.
Key wordserosion-corrosion    BFe30-1-1    single phase and sand-containng artificial seawater    BTA    inhibiting actio
收稿日期: 1998-11-10     
通讯作者: 杨帆   
Corresponding author: Fan Yang   

引用本文:

杨帆; 郑玉贵; 闫丽静 . 苯并三氮唑对BFe30-1-1在单相及含沙人工海水中冲刷腐蚀的抑制作用*[J]. 中国腐蚀与防护学报, 1999, 19(5): 257-264 .
Fan Yang. EFFECT OF BTA ON EROSION-CORROSION INHIBITION OF BFe30-1-1 IN SINGLE AND SAND-CONTAINING ARTIFIBIAL SEAWATER. J Chin Soc Corr Pro, 1999, 19(5): 257-264 .

链接本文:

https://www.jcscp.org/CN/      或      https://www.jcscp.org/CN/Y1999/V19/I5/257

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