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CPB和TU对X70钢在硫酸溶液中的缓蚀行为的电化学研究
引用本文:朱文帅,邓海英,何晓英,王多才.CPB和TU对X70钢在硫酸溶液中的缓蚀行为的电化学研究[J].西华师范大学学报(哲学社会科学版),2005,26(2):157-160.
作者姓名:朱文帅  邓海英  何晓英  王多才
作者单位:西华师范大学化学化工学院 四川南充637002 (朱文帅,邓海英,何晓英),西华师范大学化学化工学院 四川南充637002(王多才)
基金项目:四川省科技厅重点项目(04jy029-100)
摘    要:采用交流阻抗法和稳态极化曲线法研究溴代十六烷基吡啶(CPB)与硫脲(TU)复配对X70钢在0.5moL/L硫酸溶液中的缓蚀作用.研究发现:随着CPB浓度的增加,缓蚀率增加,在浓度为10mg/L时,出现极值现象;CPB与TU复配后缓蚀率提高.

关 键 词:硫酸溶液  X70钢  CPB  电化学研究  缓蚀行为  溴代十六烷基吡啶  极化曲线法  交流阻抗法  缓蚀作用  缓蚀率  浓度  复配
文章编号:1001-8220(2005)02-0157-04
修稿时间:2004年11月29

Study on Inhibition Behavior of CPB and TU on X70 Steel in H_2SO_4 Solution
ZHU Wen-shuai,DENG Hai-ying,HE Xiao-ying,WANG Duo-cai.Study on Inhibition Behavior of CPB and TU on X70 Steel in H_2SO_4 Solution[J].Journal of China West Normal University:Natural Science Edition,2005,26(2):157-160.
Authors:ZHU Wen-shuai  DENG Hai-ying  HE Xiao-ying  WANG Duo-cai
Abstract:The inhibitive action of thiourea(TU) and cetylpyridinium bromide(CPB) and their synergistic inhibitive action on the corrosion behaviour of X70 steel were investigated in 0.5mol/L H_2SO_4 solution by means of potentiodynamic polarization techinique and EIS. It is found that the inhibitive effect of CPB increases with the increasing of the concentration of CPB. Inhibitive effect of CPB is the best when its concentration is up to 10mg/L. A combination of TU and CPB gives a synergistic effect.
Keywords:CPB  TU  X70steel  synergistic effect of corrosion inhibition  polarization curve  ElS
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