316LN奥氏体不锈钢在含Cl-溶液中的腐蚀行为
Corrosion Behavior of 316LN Austenitic Stainless Steel in Cl- Containing Solution
摘 要
采用慢应变速率拉伸法以及电化学方法，通过与316L奥氏体不锈钢进行对比，研究了316LN奥氏体不锈钢在不同温度（25，50℃）和不同腐蚀介质（质量分数为3%的NaCl溶液、质量分数为6%的FeCl3溶液）中的应力腐蚀开裂和电化学腐蚀行为。结果表明：316LN钢在含Cl-溶液中的应力腐蚀敏感性低于316L钢；316LN钢在NaCl溶液中发生钝化-击穿行为，而在FeCl3溶液中则呈现活性溶解特征，阻抗谱均为单一容抗弧特征，且温度越高，316LN钢的自腐蚀电流越大，容抗弧半径和电荷转移电阻越小。316LN钢的耐腐蚀性能优于316L钢。
断口形貌
点蚀
耐腐蚀性能
stress corrosion
fracture morphology
pitting
corrosion resistance
Abstract
The stress corrosion cracking and corrosion behavior of 316LN austenitic stainless steel were studied by slow strain rate tensile and electrochemical methods in different corrosive media (3wt% NaCl solution, 6wt% FeCl3 solution) at different temperatures (25, 50℃) through comparing with those of 316L austenitic stainless steel. The results show that in Cl- containing solution, the stress corrosion sensitivity of 316LN steel was lower than that of 316L steel. 316LN steel exhibited passivation-breakdown behavior in NaCl solution, while in FeCl3 solution, it presented the characteristics of active dissolution, and the impedance spectrum showed a single capacitive reactance arc in both. The higher the temperature, the larger the self-corrosion current, the smaller the arc radius and the charge transfer resistance of 316LN steel. 316LN steel showed better corrosion resistance than 316L steel.
中图分类号 TG172 DOI 10.11973/jxgccl202311008
所属栏目 材料性能及应用
基金项目 国家高技术研究发展计划项目（2012AA040103）；安徽省科技厅自然科学基金面上资助项目（1908085ME148）；安徽省教育厅自然科学重大研究项目（KJ2016SD09）
收稿日期 2022/8/16
修改稿日期 2023/8/9
网络出版日期
作者单位点击查看
备注饶思贤(1978-),男,安徽马鞍山人,教授,博士
引用该论文: RAO Sixian,ZHAO Xinsheng,GUO Xiangqin,SHI Yafei,ZHANG Peng. Corrosion Behavior of 316LN Austenitic Stainless Steel in Cl- Containing Solution[J]. Materials for mechancial engineering, 2023, 47(11): 43～50
饶思贤,赵新生,郭祥钦,石亚飞,张鹏. 316LN奥氏体不锈钢在含Cl-溶液中的腐蚀行为[J]. 机械工程材料, 2023, 47(11): 43～50
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【32】LEE J B,YOON S I.Effect of nitrogen alloying on the semiconducting properties of passive films and metastable pitting susceptibility of 316L and 316LN stainless steels[J].Materials Chemistry and Physics,2010,122(1):194-199.
【2】郭舒,韩恩厚,王海涛,等.核电站316L不锈钢弯头应力腐蚀行为的寿命预测[J].金属学报,2017,53(4):455-464. GUO S,HAN E H,WANG H T,et al.Life prediction for stress corrosion behavior of 316L stainless steel elbow of nuclear power plant[J].Acta Metallurgica Sinica,2017,53(4):455-464.
【3】NISHIMURA R,ALYOUSIF O M.A new aspect on intergranular hydrogen embrittlement mechanism of solution annealed types 304,316 and 310 austenitic stainless steels[J].Corrosion Science,2009,51(9):1894-1900.
【4】ALYOUSIF O M,NISHIMURA R.A hydrogen embrittlement mechanism for sensitized types 304,316 and 310 austenitic stainless steels in boiling saturated magnesium chloride solutions[J].Corrosion Science,2010,52(1):7-13.
【5】WANG R X,HUANG Y L,JIANG T C,et al.Microstructure and mechanical properties of niobium and 316L stainless steel joints by TU1 oxygen free copper brazing[J].Rare Metal Materials and Engineering,2021,50(4):1166-1172.
【6】刘玉德,郭甲,石文天,等.激光粉末床成形316L不锈钢多孔结构力学性能研究[J].中国激光,2022,49(8):0802018. LIU Y D,GUO J,SHI W T,et al.Mechanical properties of 316L stainless steel porous structure formed by laser powder bed fusion[J].Chinese Journal of Lasers,2022,49(8):0802018.
【7】马广璐,崔新宇,沈艳芳,等.基体材料力学性能对316L不锈钢颗粒沉积行为的影响[J].金属学报,2016,52(12):1610-1618. MA G L,CUI X Y,SHEN Y F,et al.Influence of substrate mechanical properties on deposition behaviour of 316l stainless steel powder[J].Acta Metallurgica Sinica,2016,52(12):1610-1618.
【8】王育武,姜瑞景,赵景茂.316L和316LN不锈钢在高温高盐溶液中钝化膜的性能研究[J].北京化工大学学报(自然科学版),2017,44(5):72-79. WANG Y W,JIANG R J,ZHAO J M.The properties of passive films formed on 316L and 316LN stainless steel in high-temperature and high-salinity solution[J].Journal of Beijing University of Chemical Technology (Natural Science Edition),2017,44(5):72-79.
【9】FU Y,WU X Q,HAN E H,et al.Effects of nitrogen on the passivation of nickel-free high nitrogen and manganese stainless steels in acidic chloride solutions[J].Electrochimica Acta,2009,54(16):4005-4014.
【10】NEWMAN R C,SHAHRABI T.The effect of alloyed nitrogen or dissolved nitrate ions on the anodic behaviour of austenitic stainless steel in hydrochloric acid[J].Corrosion Science,1987,27(8):827-838.
【11】LIM Y S,KIM J S,AHN S J,et al.The influences of microstructure and nitrogen alloying on pitting corrosion of type 316L and 20 wt.% Mn-substituted type 316L stainless steels[J].Corrosion Science,2001,43(1):53-68.
【12】ANDREEV C,RASHEV T.Chromium-manganese stainless steels with nitrogen content up to 2.10wt%[J].Materials Science Forum,1999,318/319/320:255-260.
【13】SPEIDEL M O.Nitrogen containing austenitic stainless steels[J].Materialwissenschaft und Werkstofftechnik,2006,37(10):875-880.
【14】SPEIDEL M O.Properties and applications of high nitrogen steels[M].London:The Institute of Metals,1989:92-98.
【15】吴从风,王心禾,张海龙,等.合金元素对316LN不锈钢的力学性能和点蚀性能的影响[J].工程科学学报,2015,37(9):1157-1164. WU C F,WANG X H,ZHANG H L,et al.Effect of alloy elements on the mechanical properties and pitting corrosion resistance of 316LN austenitic stainless steel[J].Chinese Journal of Engineering,2015,37(9):1157-1164.
【16】LI H B,JIANG Z H,YANG Y,et al.Pitting corrosion and crevice corrosion behaviors of high nitrogen austenitic stainless steels[J].International Journal of Minerals,Metallurgy and Materials,2009,16(5):517-524.
【17】CAI B P,LIU Y H,TIAN X J,et al.An experimental study of crevice corrosion behaviour of 316L stainless steel in artificial seawater[J].Corrosion Science,2010,52(10):3235-3242.
【18】POONGUZHALI A,PUJAR M G,MUDALI U K.Effect of nitrogen and sensitization on the microstructure and pitting corrosion behavior of AISI type 316LN stainless steels[J].Journal of Materials Engineering and Performance,2013,22(4):1170-1178.
【19】王庆田,胡朝威,冷晓春,等.核反应堆堆内构件用304H奥氏体不锈钢敏化非腐蚀条件下的性能研究[J].热加工工艺,2018,47(22):101-105. WANG Q T,HU C W,LENG X C,et al.Property research of 304H austenite stainless steel used in RVI under sensitizing but no corrosion circumstance[J].Hot Working Technology,2018,47(22):101-105.
【20】KAIN V,SAMANTARAY R,ACHARYA S,et al.Influence of low-temperature sensitization on stress corrosion cracking of 304LN stainless steels[M]//Environment-Induced Cracking of Materials.Amsterdam:Elsevier,2008:163-172.
【21】BALI S C,KAIN V,RAJA V S.Effect of low-temperature sensitization on intergranular stress corrosion cracking behavior of austenitic stainless steels in simulated boiling water reactor environment[J].Corrosion,2009,65(11):726-740.
【22】朱若林,张利涛,王俭秋,等.核级316LN不锈钢弯管在高温高压水中的应力腐蚀裂纹扩展行为[J].中国腐蚀与防护学报,2018,38(1):54-61. ZHU R L,ZHANG L T,WANG J Q,et al.Stress corrosion crack propagation behavior of elbow pipe of nuclear grade 316LN stainless steel in high temperature high pressure water[J].Journal of Chinese Society for Corrosion and Protection,2018,38(1):54-61.
【23】万章,孔韦海,张强.S22053不锈钢在6%FeCl3溶液中的点蚀行为[J].腐蚀与防护,2019,40(1):18-22. WAN Z,KONG W H,ZHANG Q.Pitting behavior of S22053 stainless steel in 6% FeCl3 solution[J].Corrosion & Protection,2019,40(1):18-22.
【24】李光福,黄春波,李敬民,等.固溶态控氮不锈钢在高温水中的应力腐蚀破裂[J].核动力工程,2005,26(4):384-389. LI G F,HUANG C B,LI J M,et al.Stress corrosion cracking of solution-annealed nitrogen-containing austenitic stainless steels in high temperature water environments[J].Nuclear Power Engineering,2005,26(4):384-389.
【25】NINGSHEN S,KAMACHI MUDALI U,MITTAL V K,et al.Semiconducting and passive film properties of nitrogen-containing type 316LN stainless steels[J].Corrosion Science,2007,49(2):481-496.
【26】SATO N.Anodic breakdown of passive films on metals[J].Journal of the Electrochemical Society,1982,129(2):255-260.
【27】PARK J O,MATSCH S,BÖHNI H.Effects of temperature and chloride concentration on pit initiation and early pit growth of stainless steel[J].Journal of the Electrochemical Society,2002,149(2):B34.
【28】刘传森,李壮壮,陈长风.不锈钢应力腐蚀开裂综述[J].表面技术,2020,49(3):1-13. LIU C S,LI Z Z,CHEN C F.Stress corrosion cracking of stainless steel[J].Surface Technology,2020,49(3):1-13.
【29】孙彦伟,陈吉,朴楠,等.离子渗氮对X80管线钢在碱性土壤模拟溶液中腐蚀行为的影响[J].表面技术,2015,44(2):93-98. SUN Y W,CHEN J,PIAO N,et al.The effect of plasma nitriding on the corrosion resistance of X80 pipeline steel in alkaline soil simulation solution[J].Surface Technology,2015,44(2):93-98.
【30】张志伟,刘素芬,李兆杰,等.304奥氏体不锈钢腐蚀失效原因分析及组织表征[J].金属热处理,2019,44(增刊1):96-102. ZHANG Z W,LIU S F,LI Z J,et al.Cause analysis and microstructure characterization of corrosion failure of 304 austenitic stainless steel[J].Heat Treatment of Metals,2019,44(S1):96-102.
【31】LUO H,GAO S J,DONG C F,et al.Characterization of electrochemical and passive behaviour of alloy 59 in acid solution[J].Electrochimica Acta,2014,135:412-419.
【32】LEE J B,YOON S I.Effect of nitrogen alloying on the semiconducting properties of passive films and metastable pitting susceptibility of 316L and 316LN stainless steels[J].Materials Chemistry and Physics,2010,122(1):194-199.
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