Please wait a minute...
金属学报  2008, Vol. 44 Issue (6): 729-734     
  论文 本期目录 | 过刊浏览 |
Q235碳钢在SO2气体中的初期腐蚀行为
汪川;王振尧;柯伟
中国科学院金属研究所 材料环境腐蚀研究中心
RESERCH OF THE INITIAL ATMOSPHERIC CORROSION OF CARBON STEEL Q235 IN DIFFERENT CONCENTRATION OF SO2
wang chuan
中国科学院金属研究所 材料环境腐蚀研究中心
引用本文:

汪川; 王振尧; 柯伟 . Q235碳钢在SO2气体中的初期腐蚀行为[J]. 金属学报, 2008, 44(6): 729-734 .
, , . RESERCH OF THE INITIAL ATMOSPHERIC CORROSION OF CARBON STEEL Q235 IN DIFFERENT CONCENTRATION OF SO2[J]. Acta Metall Sin, 2008, 44(6): 729-734 .

全文: PDF(2203 KB)  
摘要: 通过SO2气体加速腐蚀实验,利用环境扫描电镜 (XL30-FEG-ESEM)、能谱分析 (EDAX) 和Fourier红外光谱 (FTIR) 等分析技术,研究了碳钢Q235在湿热SO2气氛中的腐蚀行为和锈巢形成机制.结果表明: Q235在不同浓度SO2中腐蚀速率的变化趋势是不同的.浓度较高时, 腐蚀速率随腐蚀时间延长而降低; 浓度较低时, 腐蚀速率随腐蚀时间延长缓慢增加.提高SO2浓度对锈层中含硫化合物的形成影响不大,但对锈层中氧化物或氢氧化物形成起到 促进作用.实验条件下的腐蚀产物均含有FeSO4×7H2O, Fe2(SO4)3}×9H2O,γ-FeOOH和无定形的δ-FeOOH, 当SO2体积分数大于0.5%时, 产物中还出现α-FeOOH. 在0.05%SO2气氛中, Q235表面形成锈巢, 锈巢内、外的各种元素含量差 异很大.
关键词 Q235钢SO2初期腐蚀锈巢    
Abstract:The influence of the different concentration of SO2 on the initial atmospheric corrosion of carbon steel Q235 was investigated.The corrosion kinetics of carbon steel Q235 in different condition was researched .The variation of thickness loss of Q235 in different concentration of SO2 made a great difference. Fourier transform infrared spectroscopy(FTIR) and electron dispersion X-ray analysis(SEM/EDAX)were used to characterize the corrosion products of Q235.The effect of S and O elements in the layer of rust are discussed the mechanism of rust nests is analysed. A probable mechanism is presented to explain the experimental results.
Key words
收稿日期: 2007-08-31     
ZTFLH:  TF803.2  
[1]Wang Z Y.Total Corros Control,1995;9(4):1 (王振尧.全面腐蚀控制,1995;9(4):1)
[2]Lin C,Li X G,Wang G Y.Corros Sci Prot Technol,2004; 16:90 (林翠,李晓刚,王光雍.腐蚀科学与防护技术,2004;16:90)
[3]Weissenriederz J,Leygraf C.J Electrochem Soc,2004;151 (3):165
[4]Weissenriederz J,Kleber C,Schreiner M.J Electrochem Soc,2004;151:497
[5]Wang 3 H,Wei F I,Chang Y S.Mater Chem Phys,1997; 47:1
[6]Asami K,Kikuchi M.Corros Sci,2003;45:2671
[7]Hoed S,Mazaudier F,Dilhnann Ph,Santarini G.Corros Sci,2004;46:1431
[8]Emirates S.En9 Res,2006;11(1):1
[9]Oesch S.Corros Sci,1996;38:1357
[10]Wang Z Y,Wang C,Han W.Equip Environ Eng,2006; 3(5):16 (王振尧,汪川,韩薇.装备环境工程,2006;3(5):16
[11]Lin C.PhD Thesis,University Science and Technology Beijing,Beijing,2004 (林翠.北京科技大学博士学位论文,北京,2004)
[12]Qu Q,Yan C W,Cao C N.Acta Metall Sin,2002;38: 1062 (屈庆,严川伟,曹楚南.金属学报,2002;38:1062)
[13]Yang X M.Spectrosc Spectral Anal,2006;26:2047 (杨晓梅.光谱学与光谱分析,2006;26:2047)
[14]Persson D,Leygraf C.J Electrochem Soc,1993;140:1257
[15]Yang X M.Ningxia Univ(Nat Sci),1999;20:47 (杨晓梅.宁夏人学学报(自然科学版),1999;20:47)
[16]Leidheiser H,Music S.Corros Sci,1982;22:1089
[17]Singh A K,Ericsson T,Gullman J.Corros Sci,1985;25: 931
[18]Misawa T,Kyuno T,Suctaka W.Corros Sci,1971;11:35
[19]Cox A,Lyon S B.Corros Sci,1994;36:1177
[20]Liu X C,An C Q.The Corrosion of Metal.Beijing:Na- tional Defence Industry Press,2002:229 (刘秀晨,安成强.金属腐蚀学.北京:国防工业出版社,2002:229)
[21]Lyon S B,Thomson G E,Johnson J B.Corrosion,1987; 43:719
[22]Philip A,Schweitaer P E.Atmospheric Degradation and Corrosion Control.New York:Marcel Dekker Inc Press, 1999:42
[23]Graedel T E,Frankenthal R P.J Electrochem Soc,1990, 137:2385
[24]Marcus P,Oudar J.Corrosion Mechanism in Theory and Practice.New York:Marcel Dekker Inc Press,2002:54
[25]Leygraf C,Graedel T.Atmospheric Corrosion.New York: John Wiley & Sons Press,2000:72
[26]Cox A,Lyon S B.Corros Sci,1994;36:1193
[1] 姚美意,张兴旺,侯可可,张金龙,胡鹏飞,彭剑超,周邦新. Zr-0.75Sn-0.35Fe-0.15Cr合金在250 ℃去离子水中的初期腐蚀行为[J]. 金属学报, 2020, 56(2): 221-230.
[2] 姚美意, 林雨晨, 侯可可, 梁雪, 胡鹏飞, 张金龙, 周邦新. Sn对锆合金在280 LiOH水溶液中初期腐蚀行为的影响[J]. 金属学报, 2019, 55(12): 1551-1560.
[3] 马宏驰, 杜翠薇, 刘智勇, 郝文魁, 李晓刚, 刘超. E690高强钢在SO2污染海洋大气环境中的应力腐蚀行为研究*[J]. 金属学报, 2016, 52(3): 331-340.
[4] 王娟; 李亚江; 马海军 . Fe3Al合金与Q235钢扩散焊界面的析出相[J]. 金属学报, 2005, 41(9): 989-993 .
[5] 屈庆; 严川伟; 张蕾; 万晔; 曹楚南 . NaCl和SO2在A3钢初期大气腐蚀中的协同效应[J]. 金属学报, 2002, 38(10): 1062-1066 .