第12期 施锦杰等：电化学方法研究混凝土模拟液中细晶粒钢的耐蚀性 ·1477· 钢筋表面组织结构较均匀且无明显有害缺陷.由于 2002,32(12):1915 晶粒细化后细晶粒钢晶界有所增多，在晶界处存在 7]Mahallati E,Saremi M.An assessment on the mill scale effects on the electrochemical characteristics of steel bars in concrete under 较多不利于耐蚀性的夹杂与缺陷，一定程度上降低 DC-polarization.Cem Coner Res,2006,36(7):1324 了细晶粒钢的耐点蚀能力. [8]Mohammed T U,Hamada H.Corrosion of steel bars in concrete with various steel surface conditions.ACI Mater J,2006,103 参考文献 (4):233 ]Poursaee A,Hansson C M.Reinforcing steel passivation in mortar [Poursaee A,Hansson C M.Potential pitfalls in assessing chloride- and pore solution.Cem Concr Res,2007,37(7):1127 induced corrosion of steel in concrete.Cem Concr Res,2009,39 [10]Kitowski C J,Wheat H G.Effect of chlorides on reinforcing steel (5):391 exposed to simulated concrete solutions.Corrosion,1997,53 Li L,Sagiis A A.Chloride corrosion threshold of reinforeing steel (3):216 in alkaline solutions:cyclic polarization behavior.Corrosion, [11]Andrade C,Alonso C.Corrosion rate monitoring in the laboratory 2002,58(4):305 and on-site.Constr Build Mater,1996,10(5):315 B]Song H W,Saraswathy V,Muralidharan S,et al.Tolerance limit [12]Li L,Saguies AA.Chloride corrosion threshold of reinforcing of chloride for steel in blended cement mortar using the cyclic po- steel in alkaline solutions:open circuit immersion tests.Corro- larisation technique.J Appl Electrochem,2008,38(4):445 sion,2001,57(1):19 4]Poursaee A.Determining the appropriate scan rate to perform cy- 03] Zhang F,Pan J S,Lin C J.Localized corrosion behaviour of re- clic polarization test on the steel bars in concrete.Electrochim Ac- inforcement steel in simulated concrete pore solution.Corros Sci, ta,2010,55(3):1200 2009,51(9):2130 [5]Ghods P,Isgor O B.Mcrae GA,et al.Electrochemical investiga- [14]Jiang J H,Yuan YS,Li F M,et al.Comparative study on cor- tion of chloride-induced depassivation of black steel rebar under rosion behavior of steel bars of different grades in concrete. simulated service conditions.Corros Sci,2010,52(5):1649 Build Mater,2009,12(5):523 [6]Saremi M,Mahallati E.A study on chloride-induced depassivation (蒋建华，袁迎曙，李富民，等.混凝土中不同等级钢筋锈蚀 of mild steel in simulated concrete pore solution.Cem Concr Res, 行为的比较.建筑材料学报，2009,12(5)：523)第 12 期 施锦杰等: 电化学方法研究混凝土模拟液中细晶粒钢的耐蚀性 钢筋表面组织结构较均匀且无明显有害缺陷． 由于 晶粒细化后细晶粒钢晶界有所增多，在晶界处存在 较多不利于耐蚀性的夹杂与缺陷，一定程度上降低 了细晶粒钢的耐点蚀能力． 参 考 文 献 ［1］ Poursaee A，Hansson C M． Potential pitfalls in assessing chloride￾induced corrosion of steel in concrete． Cem Concr Res，2009，39 ( 5) : 391 ［2］ Li L，Sagüés A A． Chloride corrosion threshold of reinforcing steel in alkaline solutions: cyclic polarization behavior． Corrosion， 2002，58( 4) : 305 ［3］ Song H W，Saraswathy V，Muralidharan S，et al． Tolerance limit of chloride for steel in blended cement mortar using the cyclic po￾larisation technique． J Appl Electrochem，2008，38( 4) : 445 ［4］ Poursaee A． Determining the appropriate scan rate to perform cy￾clic polarization test on the steel bars in concrete． Electrochim Ac￾ta，2010，55( 3) : 1200 ［5］ Ghods P，Isgor O B，Mcrae G A，et al． Electrochemical investiga￾tion of chloride-induced depassivation of black steel rebar under simulated service conditions． Corros Sci，2010，52( 5) : 1649 ［6］ Saremi M，Mahallati E． A study on chloride-induced depassivation of mild steel in simulated concrete pore solution． Cem Concr Res， 2002，32( 12) : 1915 ［7］ Mahallati E，Saremi M． An assessment on the mill scale effects on the electrochemical characteristics of steel bars in concrete under DC-polarization． Cem Concr Res，2006，36( 7) : 1324 ［8］ Mohammed T U，Hamada H． Corrosion of steel bars in concrete with various steel surface conditions． ACI Mater J，2006，103 ( 4) : 233 ［9］ Poursaee A，Hansson C M． Reinforcing steel passivation in mortar and pore solution． Cem Concr Res，2007，37( 7) : 1127 ［10］ Kitowski C J，Wheat H G． Effect of chlorides on reinforcing steel exposed to simulated concrete solutions． Corrosion，1997，53 ( 3) : 216 ［11］ Andrade C，Alonso C． Corrosion rate monitoring in the laboratory and on-site． Constr Build Mater，1996，10( 5) : 315 ［12］ Li L，Sagüés A A． Chloride corrosion threshold of reinforcing steel in alkaline solutions: open circuit immersion tests． Corro￾sion，2001，57( 1) : 19 ［13］ Zhang F，Pan J S，Lin C J． Localized corrosion behaviour of re￾inforcement steel in simulated concrete pore solution． Corros Sci， 2009，51( 9) : 2130 ［14］ Jiang J H，Yuan Y S，Li F M，et al． Comparative study on cor￾rosion behavior of steel bars of different grades in concrete． J Build Mater，2009，12( 5) : 523 ( 蒋建华，袁迎曙，李富民，等． 混凝土中不同等级钢筋锈蚀 行为的比较． 建筑材料学报，2009，12( 5) : 523) ·1477·