。854 北京科技大学学报 第31卷 起铆接作用1， 58:1524 [6 LiS P.Guo J.Yang S W.et al.Effect of cadbon content and 3结论 microstructure on the cormsion resistance of bw alby steels.J Univ Sci Technol Beijing 2008.1:16 (1)显微组织直接决定钢的初期腐蚀行为并对 (李少坡，郭佳杨普武等.组织和碳含量对低合金耐蚀性能的 长期腐蚀行为产生间接影响. 影响.北京科技大学学报.2008.1：16) (2)在腐蚀初期，铁素体钢中的大角晶界易于 [7 Cai JP.Lyon S B.A mechanistic study of initial at mospheric cor 被择优腐蚀，而贝氏体内的小角晶界择优腐蚀的趋 rosion kimetics using electrical rsistance sensors.Coros Sci. 200547:2956 势较弱，铁素体十珠光体钢的择优腐蚀集中于珠光 8 Han W,Yu G,Wang Z,et al Characterisation of initial at mo 体及其边界. spheric cormsion carbon steels by fidd exposume and laboratory (3)铁素体裸钢有较强的耐蚀性，但在锈层形 simultion.Corras Sci,2007,49:2920 成后，其锈层电阻随腐蚀时间的增加而产生的增量 I9 Kleber C.W eissenrieder J Schreiner M.et al.Comparison of 较小；贝氏体与铁素体十珠光体裸钢的耐蚀性较差， the early stages of corrosion of copper and imon investigated by in 但其锈层电阻随腐蚀时间的增加而产生的增量较 situ TM-AFM.Appl Surf Sci.2002.193:245 [10 Melchers R E.Jeffrey R.Early cormosion of mild steel in seawa 大，长期耐腐蚀性能更优. ter.Corros Sci.2005.47:1678 参考文献 [11]Lee DS,Ryoo HS Hw ang S K.A grain boundary engineering approach to pmmote special boundaries in Pb-base alloy.Mater [1]Zhang Q C.Wu J S Wang J J.e al.Corrosion behavior of Sci Eng A,2003354:106 weathering stee in marine atmosphere.Mater Chem Phys. 12 Kokawa H.Shimada M.Michiuchi M.et al.Arrest of weld-de 2002.77:603 cay in 304 austenitic stainless sted by twirinduced grain bound [2]Kimura M.Kihira H.Ohta N.ct al Control of Fe(O OH) ary engineering.Acta Mater,2007,55:5401 nano-netw ork stnuctures of rust for high atmospheric-cormosion re- 13]Valerie R.Gregory 0.Mechanisms of grain boundary engineer sistance.Corras Sci,2005,47:2499 ing.Acta Mater 2006 54:1777 [3]Nishikata A.Suzuki F.Tsuru T.Cormsion monitoring of nickel- [14 Shimada M,Kokaw a H.Wang Z J.et al.Optimization of grain cont aining steels in marine atmospheric environment.Corros Sci. boundary characer dist bution for intergranular corosion ss 200547:2578 tant 304 stainless steel by tw in-induced grain boundary engineer [4]Chen X.Dong J H.Han E H.et al.Effect of Ni on the iomse ing.Acta Mater 2002.50:2331 leetivity of rust layer on bw alloy steel.Mater Lett,2007,61: [15 Lopez D A,Schreiner W H,de Sanchez S R.et al.The infh- 4050 ence of carbon steel micrstructure on cormsion layers an XPS [5]Zhang C L.Cai D Y.Liao B.et al.A study on the duah phase and SEM characterization.Appl Surf Sci,2003.207:69 treatment of w eathering steel 09CuPCrNi.Mater Lett.2004.起铆接作用 [ 15] . 3 结论 (1)显微组织直接决定钢的初期腐蚀行为并对 长期腐蚀行为产生间接影响. (2)在腐蚀初期, 铁素体钢中的大角晶界易于 被择优腐蚀 ,而贝氏体内的小角晶界择优腐蚀的趋 势较弱 ,铁素体+珠光体钢的择优腐蚀集中于珠光 体及其边界. (3)铁素体裸钢有较强的耐蚀性, 但在锈层形 成后, 其锈层电阻随腐蚀时间的增加而产生的增量 较小 ;贝氏体与铁素体+珠光体裸钢的耐蚀性较差 , 但其锈层电阻随腐蚀时间的增加而产生的增量较 大,长期耐腐蚀性能更优 . 参 考 文 献 [ 1] Zhang Q C , Wu J S , Wang J J, et al.Corrosion behavior of w eathering steel in marine atmosphere. Mater Chem Phys, 2002 , 77:603 [ 2] Kimura M , Kihira H , Oh ta N , et al.Control of Fe(O, OH)6 nano-netw ork structures of rust f or high atmospheric-corrosion re￾sistance.Corros Sci , 2005 , 47:2499 [ 3] Nishikata A, Suzuki F , T su ru T .Corrosion monit oring of nickel￾cont aining st eels in marine atmospheric environment .Corros S ci , 2005 , 47:2578 [ 4] Chen X , Dong J H , Han E H , et al.Eff ect of Ni on the ion-se￾lectivity of rust layer on low alloy steel.Mater Lett , 2007 , 61: 4050 [ 5] Zhang C L , Cai D Y, Liao B , et al.A study on the dual-phase treatmen t of w eathering steel 09CuPCrNi.Mater Lett , 2004 , 58:1524 [ 6] Li S P, Guo J , Yang S W, et al.Eff ect of carbon content and microstructu re on the corrosion resistance of low alloy steels.J Un iv S ci Technol Beijing , 2008 , 1:16 (李少坡, 郭佳, 杨善武, 等.组织和碳含量对低合金耐蚀性能的 影响.北京科技大学学报, 2008 , 1:16) [ 7] Cai J P , Lyon S B.A mechanistic study of initial atmospheric cor￾rosion kinetics using electrical resist ance sensors.Corros Sci , 2005 , 47:2956 [ 8] Han W, Yu G , Wang Z , et al.Charact erisation of initial atmo￾spheric corrosion carbon st eels by field exposure and laboratory simulation.Corros S ci , 2007 , 49:2920 [ 9] Kleber C , Weissenrieder J, Sch reiner M , et al.Comparison of the early st ages of corrosi on of copper and iron investigat ed by in situ TM-AFM .App l S urf S ci , 2002 , 193:245 [ 10] Melchers R E , Jeffrey R.Early corrosion of mild st eel in seaw a￾ter .Corros Sci , 2005 , 47:1678 [ 11] Lee D S , Ryoo H S , Hw ang S K .A g rain boundary engineering approach to p romote special boundaries in Pb-base alloy .Mater S ci Eng A , 2003 , 354:106 [ 12] Kokawa H , Shimada M , Michiuchi M , et al.Arrest of weld-de￾cay in 304 austenitic stainless steel by tw in-induced grain bound￾ary engineering .Acta Mater , 2007 , 55:5401 [ 13] Valerie R, Gregory O .Mechanisms of grain boundary engineer￾ing.Acta Mater, 2006 , 54:1777 [ 14] Shimada M , Kokaw a H , Wang Z J, et al.Optimization of grain boundary character distribution f or int ergranular corrosion resis￾tant 304 st ainless steel by tw in-induced grain boundary engineer￾ing.Acta Mater, 2002 , 50:2331 [ 15] Lopez D A , Sch reiner W H , de Sanchez S R, et al.The influ￾ence of carbon steel microstructure on corrosion layers an XPS and SEM characterization.Appl S urf Sci , 2003 , 207:69 · 854 · 北 京 科 技 大 学 学 报 第 31 卷