研究了在稀硫酸溶液中添加硫脲(TU)对块体纳米晶工业纯铁(BNII)室温电化学腐蚀行为的影响,并与普通工业纯铁(CPII)的室温电化学腐蚀行为进行了比较.结果表明:将CPII在添加TU的稀硫酸溶液中浸泡5 min,其电化学阻抗(EIS)谱图中出现感抗弧.随着浸泡时间的延长,CPII的EIS谱图表现为一非圆心下偏的半圆;而在相同的条件下,BNII的EIS谱图表现为两个时间常数的容抗弧,表明硫脲对其腐蚀行为有促进作用.动电位极化(PDP)测试结果表明,两种材料的样品均出现阳极脱附现象.
参考文献
| [1] | B.Donnely,T.C.Downie,R.Grzeskourak,A study of the inhibiting properties of some derivatives of thiourea,Corros.Sci.,14(10),597(1974) |
| [2] | M.Z.A.Rafiquee,N.Saxena,S.Khan,M.A.Quraishi,Influence of surfactants on the corrosion inhibition behaviour of 2-aminophenyl-5-mercapto-1-oxa-3,4-diazole(AMOD) on mild steel,Materials Chemistry and Physics,107(2-3),528(2008) |
| [3] | Y.J.Tan,S.Bailey,B.Kiusella,An investigation of the for mation and destruction of corrosion inhibitor films using electrochemical impedance spectroscopy(EIS),Corros.Sci.,38(9),1545(1996) |
| [4] | SHEN Changbin,WANG Shenggang,LONG Kang,YANG Huaiyu,WANG Fuhui,Electrochemical corrosion behaviour of bulk nanostructured industrial pure iron in hydrochloric acid solution,Materials Science and Technology,14(3),316(2006)(沈长斌,王胜刚,龙康,杨怀玉,王福会,块体纳米晶工业纯铁在盐酸溶液中的电化学腐蚀行为,材料科学与工艺,14(3),316(2006)) |
| [5] | S.G.Wang,C.B.Shen,K.Long,T.Zhang,F.H.Wang,Z.D.Zhang.The electrochemical corrosion of bulknanocrystalline ingot iron in acidic sulphate solution,J.Phys.Chem.B,110,377(2006) |
| [6] | C.B.Shen,S.G.Wang,H.Y.Yang,K.Long,F.H.Wang,Corrosion effect of allylthiourea on bulk nanocrystalline ingot iron in diluted acidic sulphate solution,Electrochim.Acta,52,3950(2007) |
| [7] | C.B.Shen,S.G.Wang,H.Y.Yang,K.Long,F.H.Wang,The adsorption stability ＆ inhibition by allyl-thiourea of bulk nanocrystalline ingot iron in dilute HCl Solution,Appl.Surf.Sci.,253,2118(2006) |
| [8] | SHEN Changbin,WANG Shenggang,LONG Kang,YANG Huaiyu,WANG Fuhui,Corrosion inhibition of bulk nanocrystallized industrial pure iron by thiourea in HCl,Acta Phys.-Chem.Sin.,20(6),664(2004)(沈长斌,王胜刚,杨怀玉,龙康,王福会,硫脲对纳米晶工业纯铁在盐酸溶液中的缓蚀行为,物理化学学报,20(6),664(2004)) |
| [9] | WANG Shenggang,LONG Kang,LONG Qiwei,Acta Metall.Sin.,39,1247(2003)(王胜刚,龙康,龙期威,深度轧制细化工业纯铁晶粒,金属学报,39,1247(2003)) |
| [10] | F.Mansfeld,S.Lin,K.Kim,H.Shih,Pitting and surface modification of SiC/Al,Corros.Sci.,27(9),997(1987) |
| [11] | G.Mengoli,M.M.Musiani,C.Pagura,F.Paolucci,The inhibition of the corrosion of mild steel in aqueous acids by in situ polymerization of unsaturated compounds,Corros.Sci.,s2(7),743(1991) |
| [12] | W.J.Lorenz,F.Mansfeld,Determination of corrosion rates by electrochemical DC and AC methods,Corros.Sci.,21(9-10),647(1981) |
| [13] | T.K.Ross,B.P.L.Hitchen.Some effects of electrolyte motion during corrosion,Corros.Sci.,1(2),65(1961) |
| [14] | B.G.Ateya,B.E.El-Anadouli,F.M.El-Nisaxny,The adsorption of thiourea on mild steel,Corros.Sci.,24(6),509(1984) |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%