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t23Pt1HVol.23No.1201181 CORROSIONSCIENCEANDPROTECTIONTECHNOLOGYJan.2011 Z nTzH8 /O? X#gtss1,uv1,rq1,21.IMSVYDlDlD ,Yd266100;2.13 gM Nv S&, Y110015f[:d7 :8lSVpCI:0*ÆS/ 3uj7(h,Nvf* :0Æ13j 3u[xlD3uX2,:0j slD6Ff :0 QBjE , w :0Æ13 3ujT^oD,H 4ejT^MH .Æ ~:S/; 3u;:0;SVpCm; ’ :TG172.5BJv1*:ABit :1002–6495(2011)01–0093–06ResearchProgressonCorrosionofCarbonSteelsUnderRustLayerinMarineEnvironmentZHENGYing-ying1,ZOUYan1,WANGJia1,21.CollegeofChemistryandChemicalEngineering,OceanUniversityofChina,Qingdao266100;2.StateKeyLaboratoryforCorrosionandProtection,Shenyang110015Abstract:Resaerchactivitiesandprogressoncorrosionofcarbonsteelcoveredwithrustlayerinrecentyearsweresummarized,inparticular,onthephysicochemicalpropertiesoftherust,theelectrochemicalcharacteristicsofcorrosionofsteelsbeneathrustlayerandtherelationsbetweenrustandevolutionofcorrosionprocess Severalinfluencingfactorsoncorrosionbehaviorofsteelswereanalyzed,andthetrendsofresearchinthisfieldwerealsopostulated Keywords:carbonsteel;corrosionbehavior;rustlayer;marineenvironmentI℄RU^ iX wz,9LX0RUA e Pz.l H.)z iX ~ 7,.‘) RUoBHi tm!plD/i}[.| R. 5o|, ;;g53X,#RU;ArzjG i) .RUoBH.‘i fb;#L2kC5 iLGlu.ÆÆ RUoBH02) #x 3 L ), VntJ 3 i i )A 1 ri#d v J 2t.9/ .‘) i #C j7, ) |z5v jXi PA.nR,LG 3 ) 02i 2tb;.fL2kC-iDY.*4qI:2009–09–02F4;2009–10–128&4 2 -:N bj‘E 2 -(506710970)_Wl. /:6tt(1985-),;,= ,NI #v hE–mail:jwang@ouc.edu.cn 9.‘i LG ,9/ .‘ PAi[QeD - Æ Z8M+ 1~%X.aQRUoBH9/ )R.i PALG6!% ,^ LGob 8M ( . zS℄T9/ 02 i2tW1 9/i rkC5Ee 9/ PAD v 9/ 02 2tinCZ9/ 02 wkC2t/ 8Æ#V /b iaQ6!.1U{I 3 0P9j02 # 9/ )d,wkC r# # _iX 02r+ p Zr PA, # f L EiZkr r,\ h a! ,9/ /8! \ H P℄M℄${.,Q,L2k R. RUoBH7GÆÆi H 62 b*LG, V y H Di(0,ntR. RUoBHi E G2(0∼2a)%2,I℄ 94 _C f 523P94 _C f 523P94 _C f 523P 7, E x ’ V^ |z[1].1.1 4l 2 .N D o |Melchersl[2] y . R9H H i(0, VZG. R9H7G;i PAS℄ t 8( (h1),98( ieD&Q#d, 3 8( ikz_#d. E~I k t 8 G:}Z PA(( 0-2)ZQZ T (( 3 4).( 0 zk keD( :’\,,; R9H , #1iZk*x }D,02) i #b;N zk k[Q,R( vi 6 ,.fR9 Ee JMnCiKMv .( 1 |{CeD( :~& 5( , S℄|O/ reD, .r+Z|Ps.E!02 #iO/eD(:~eD)., i9/ 6 , %0 d,R9Hir+Z^si 3fW ,#,nRR.Zo\0. EGiE~ %g.b ntR9Hr+Zi:~ X,6uf02,#+ p r ir+ZJ , E J X.( 2ZjzeD:I℄ PAi62,9/R ‘ V /,B/i 7R hGr+Z! ,#iO?, E t 5ijzeD.R 9/_xh ‘p‘| ,#!kjz,‘/ ##eDPA. #9/i# ‘Os jzPAi62,jKeB E~R .( 3 FJr T(SRB)i 7PAeD:I℄9/‘~ ,ZLfW02,#iE k ’,R ,#ioB QZoB,SRBHE 7.R( ^ , E~^X,C t1a.( 4SRBi|zPAeD:QZ T 7fbz8 , 7E~ hs ,R . E Wf %|ziAQPA,/8( #b87GPA. Melchers(0H( 1,2#u[ E# ( ,( 3,4#u[ E%Y( . ( 3HSRBi.℄-kz%Y 9/Hu[ E,( 4Liu[ E#R9Hr+iu[ EP9/Of02 #i,nR/8jzPAiE _#|k’u[ Ei:~Z9/i g5Qzi.1.2Syd 2 .w: |l p‘b*LG;kd7 ,9/ 02 i98Fig.1Corrosion-timemodelforimmersioncorrosion[1,2]( H P℄#di${:(1)tr+Zi6uZg: 02 iE ( (( 0 ( 1),1i9/P #gehbr+Zi6u,J0 di)A tr+ZfW02~\Zg, X02i E .(2)h r+ZO/ + pX r(( 2):a h r+ZiO/( rhbkz).I℄ PAi62,9/ ‘, rBi2/i 7 bzA~~h? .EP r’M02~\,tr+ZfW02 ,#i) , hr+Z 9/Hijz}:~Y~, ℄902 #r+ZiV .d 9/iV _xh ‘p‘| ,#!kjz.b + pX r.RUoBHV i 9S℄#GR(SO2−4)[3],GR(SO2−4)# iH 3 ,jK ZkFeiq~Zk (S℄#γ-FeOOH). k9/Hiβ-FeOOH γ-FeOOHrae+ r r Fei%o QiZk [4,5].(3)1 x_QZ_(( 3 ( 4):I℄9/‘~i ,r+ZfW02,#iE x k ’, VGR(SO2−4)_x%Yr+Z Zktγ-FeOOH,d % GSO2−4,R ,#ioB QZoB, V~Z SRB ’z|L iSO2−4,SRB THE 7./d _+% SRB Tt [! 9/i2/G .1.3SyG 2 .7) u D R. RUoBH E~iLGd}^ O.F nt[1,6]R.,,; R9H E 6X,‘ 8 dR , VI℄ iO7^ b8 %|zi..‘) #diRUoBH(;_ :2_Z _) E 2^X,‘# H f~ bB[7].Mal[6]LG 9RXLoBHoR.i E , | EGβ-FeOOH_ ‘/iG ,Q 8 i E #R Xi,I℄β-FeOOH 29/i n, a3ZktN} f53iγ-Fe2O3, 7d E !o.tISl[7,8]l LG R.Zo\0. ~L#dR ÆÆ8∼l0ai 2t,e) UV R.Zo\0. R9Hi H ZW5.LG %,R. R9H;1aZ2ai ( MZu )E~%g,7G;^ |z,LGr u i|z E~ae yR9i 5Rw.P R. X ;_Z:2_ÆÆ47i E~62- [9],R.iAS I O7 !.z M - R. ;_ :2_Z _i E~, _i E~jX,:2_S9,;_ E~j’.| \9w #! iwkC r,02 #1H5ssm:SVpCI:0ÆS/ 3ujMH7951H5ssm:SVpCI:0ÆS/ 3ujMH7951H5ssm:SVpCI:0ÆS/ 3ujMH795 3 iV bÆ#x r+Zi6u, bÆ#r}a3x E02i rE~[3]. +l[10] O| ’R% ;_;b7Z 7iR.Zo\0.’62wkC -,)O %| 3 ZR9y~idv ,Rp( rwh) ’i^.2U{ Rk\ a 0 } F02~\ ,# ! iwkCPAe E I i k,J 02 i) ,LNioB}Dk,raQ #9/i ,)Ae 9/i9L5E.Stratmannl[5]=G9/i f53aQ 9/ikC ,1Q,B~,$5,e 5l5E.9/ 02i 2t 02 # 3 iew5, d5,p‘A 5 r 5#a .2.1 Q9/H9L iew5#d[11].Fe3O4#we\,} %XiB5Z|z5;γ-FeOOH# e\,N}wkCz5;α-FeOOH#R \, 9/H~ }z5;GRsi\)AHV}#d Qipp‘;β-FeOOHi\)AHN}Jgb\iF,a|Cl−^D 1 ‘HN} i ZZk [12].9L‘iZk Z ZZk y\ bKi9/ + _ #R i,}a9/H}9 *xew.Ohtsukal[13]zwkChZÆ - ÆÆ LH177i/b.i9/ + Go_ iew5, 9/H $i90L3 U 9/iew5. +Q_ ,wkChZihWf1010Ω·cm2,a9/bX ,hZJ !f106Ω·cm2.+ GoPAH Q #9/ 7( ,+Q Z9/ 7PAb?[11].Hoerl´el[14]=GFe2+iV γ-FeOOHew5 R,/#ntaγ-FeOOH’.b8w‘d γ-Fe·OH·OH tw‘e\.2.2 &QRUoBH1iR.i9/N}0 di5E,9/Hi d5##S i,389/#|X’#di’d#:o[)A[15],9/i d5 3 i g53Bv 02i 2t. d5Z‘*53B;’v #d E 9/HiO,tr+iFe2+ r+Z W 5p‘l, ’dN; ki 3 ~3h i [11∼14].Memetl[16]LG ; R9H257iR.i9/, Nyquisth| 8 i,Mnt2_ae 19/2w‘Zp‘iew5,o_℄ } /jz, s 8 iK ’ #b_+ t23◦i; ,7% 9/N} dw i5E.2.3Sy (oVeQ9/ pXp‘iA 5 g3B E|Os02~\i ,b k,v9/N}~XiXp‘A 53, aeh Cl−,S