应变速率和环境介质对2205双相不锈钢应力腐蚀开裂行为的影响
Effects of Strain Rate and Environmental Medium on Stress Corrosion Cracking Behavior of 2205 Duplex Stainless Steel
摘 要
通过慢应变速率试验,研究了应变速率对2205双相不锈钢在3种环境介质中应力腐蚀开裂(SCC)行为的影响。结果表明:当应变速率为1.5×10-5 s-1时,2205双相不锈钢在蒸馏水和在海水溶液中未发生SCC,其在含Cl-海水混合溶液中的拉伸断口呈典型的SCC形貌特征;在含Cl-海水混合溶液中,当应变速率大于2×10-5 s-1时,2205双相不锈钢的应力腐蚀敏感性系数小于25%,处于安全区,当应变速率为1×10-5~2×10-5 s-1,其应力腐蚀敏感性系数处于危险区,2205双相不锈钢可能会发生SCC,当应变速率减小至1×10-5 s-1时,其应力腐蚀敏感性系数为25%~35%,处于危险区和脆断区,2205双相不锈钢会发生SCC。
2205双相不锈钢
环境介质
应力腐蚀开裂
slow strain rate test
2205 duplex stainless steel
environmental medium
stress corrosion cracking
Abstract
The effect of strain rate on stress corrosion cracking (SCC) behavior of 2205 duplex stainless steel in three environmental mediums was investigated through slow strain rate test. The results showed that when the strain rate was 1.5×10-5 s-1, no SCC occurred when 2205 duplex stainless steel was in distilled water and seawater solution, and its tensile fracture in seawater mixed solution containing Cl- was typical SCC morphological characteristics. In seawater mixed solution containing Cl-, when the strain rate was greater than 2×10-5 s-1, the stress corrosion susceptibility coefficient of 2205 duplex stainless steel was less than 25%, which was in the safe area. When the strain rate was 1×10-5~2×10-5 s-1, its stress corrosion susceptibility coefficient was in the dangerous zone, 2205 duplex stainless steel might suffer from SCC. When the strain rate was reduced to 1×10-5 s-1, its stress corrosion susceptibility coefficient was 25%~35%, in the dangerous zone and brittle fracture zone, 2205 duplex stainless steel would suffer form SCC.
中图分类号 TG174 DOI 10.11973/fsyfh-202209002
所属栏目 试验研究
基金项目 国家自然科学基金资助项目(52075050,51505041);江苏省自然科学基金资助项目(BK20201448);江苏省研究生科研创新计划(KYCX19-1759)
收稿日期 2020/8/17
修改稿日期
网络出版日期
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引用该论文: WEI Lei,PENG Jian,PEI Junfeng,XUE Zhichao,WANG Linhai. Effects of Strain Rate and Environmental Medium on Stress Corrosion Cracking Behavior of 2205 Duplex Stainless Steel[J]. Corrosion & Protection, 2022, 43(9): 6
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参考文献
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【2】谢学军,付强,廖冬梅.金属腐蚀及防护效益分析[M].北京:中国电力出版社,2015.
【3】杜娟,田辉,陈亚军,等. 7A04铝合金应力腐蚀敏感性及裂纹萌生与扩展行为[J].材料工程,2018,46(4):74-81.
【4】MELCHERS R E,PAIK J K. Effect of tensile strain on the rate of marine corrosion of steel plates[J]. Corrosion Science,2009,51(10):2298-2303.
【5】范强强,华丽. 2205双相不锈钢腐蚀行为的影响因素[J].腐蚀科学与防护技术,2014,26(2):178-182.
【6】张天财.海洋腐蚀防护的发展现状及思考[J].船舶工程,2018,40(10):8-11.
【7】张文毓,侯世忠.国内外双相不锈钢的应用进展[J].装备机械,2015(3):62-66.
【8】宋积文,王毛毛,张亮,等. 2205双相不锈钢在南海深水环境中的腐蚀行为[J].腐蚀与防护,2019,40(12):898-901,915.
【9】刘宇,石勇,李宁,等. 5083铝合金与2205不锈钢在天然海水中的电偶腐蚀行为[J].腐蚀与防护,2012,33(6):532-534.
【10】高丽飞,杜敏. 2205双相不锈钢在淡化海水中的点蚀行为[J].装备环境工程,2017,14(2):11-18.
【11】张天翼,吴俊升,郭海龙,等.模拟海水中HSO3-对2205双相不锈钢钝化膜成分及耐蚀性能的影响[J].中国腐蚀与防护学报,2016,36(6):535-542.
【12】喻兰英,罗宏,刘莉. 2205双相不锈钢在HCl溶液中点蚀的AFM和电化学分析[J].腐蚀与防护,2010,31(9):682-684.
【13】赵天宇,陈吉,孙彦伟,等. 2205双相不锈钢在硫酸中的腐蚀性能[J].腐蚀与防护,2015,36(6):535-539.
【14】杨世洲,李春福,李辉,等. 2205双相不锈钢在酸性H2S环境下的应力腐蚀行为及开裂机理[J].稀有金属材料与工程,2018,47(3):904-909.
【15】周建龙,李晓刚,程学群,等.深海环境下金属及合金材料腐蚀研究进展[J].腐蚀科学与防护技术,2010,22(1):47-51.
【16】刘杰,李相波,王佳.模拟深海压力对2种低合金钢腐蚀行为的影响[J].金属学报,2011,47(6):695-703.
【17】BAI T,CHEN P,GUAN K S. Evaluation of stress corrosion cracking susceptibility of stainless steel 304L with surface nanocrystallization by small punch test[J]. Materials Science and Engineering:A,2013,561:498-506.
【18】周霄骋,崔巧棋,贾静焕,等. Cl-浓度对316L不锈钢在碱性NaCl/Na2S溶液中SCC行为的影响[J].中国腐蚀与防护学报,2017,37(6):526-532.
【19】吴伟,郝文魁,李晓刚,等.高Cl-环境对M152和17-4PH高强钢应力腐蚀开裂行为的影响[J].材料工程,2018,46(2):105-114.
【20】白涛,关凯书,陈鹏.用小冲杆试验法评估304L不锈钢的应力腐蚀敏感性[J].机械工程材料,2013,37(1):36-39,42.
【21】MIYASAKA A,KANAMARU T,OGAWA H. Critical stress for stress corrosion cracking of duplex stainless steel in sour environments[J]. Corrosion,1996,52(8):592-599.
【22】ZOU D N,HAN Y,ZHANG W,et al. Phase transformation and its effects on mechanical properties and pitting corrosion resistance of 2205 duplex stainless steel[J]. Journal of Iron and Steel Research,International,2010,17(11):67-72.
【23】ZANOTTO F,GRASSI V,BALBO A,et al. Stress-corrosion cracking behaviour of lean-duplex stainless steels in chloride/thiosulphate environments[J]. Metals,2018,8(4):237.
【24】单广斌,迟立鹏,李贵军,等.黑水环境中氯离子浓度对不锈钢应力腐蚀开裂敏感性的影响[J].腐蚀与防护,2019,40(11):796-798.
【25】CAO L W,DU C Y,XIE G S. Effects of sensitization and hydrogen on stress corrosion cracking of 18-8 type stainless steel[J]. Applied Mechanics and Materials,2016,853:168-172.
【26】YU Q,DONG C F,LIANG J X,et al. Stress corrosion cracking behavior of PH13-8Mo stainless steel in Cl- solutions[J]. Journal of Iron and Steel Research,International,2017,24(3):282-289.
【27】杨世洲,李春福,李辉,等.饱和H2S环境下慢应变速率对2205双相不锈钢应力腐蚀性能的影响[J].材料热处理学报,2016,37(11):96-102.
【28】常泽亮,岳小琪,李岩,等.超级13Cr油管在不同完井液中的应力腐蚀开裂敏感性[J].腐蚀与防护,2018,39(7):549-554.
【29】李娟.管线钢应力腐蚀慢应变速率拉伸试验研究[D].青岛:中国石油大学(华东),2007.
【30】刘继华,李荻,郭宝兰,等. LC4高强铝合金的慢应变速率拉伸试验[J].材料科学与工艺,2001,9(1):37-41.
【31】TORRES F J,PANYAYONG W,ROGERS W,et al. Corrosion behavior of sensitized duplex stainless steel[J]. Bio-Medical Materials and Engineering,1998,8(1):25-36.
【32】YI G,XING S,QI H,et al. Effect of molybdate on the stress corrosion cracking of 2205 duplex stainless steel in sulfuric acid solution[J]. Materiali in Tehnologije,2019,53(6):797-804.
【33】赵亚楠,陈学东,艾志斌,等. 304奥氏体不锈钢在H2S+Cl-+CO2+H2O环境下的慢应变速率拉伸腐蚀试验研究[J].压力容器,2016,33(4):1-9.
【34】程远,俞宏英,王莹,等.应变速率对X80管线钢应力腐蚀的影响[J].材料工程,2013,41(3):77-82.
【35】JAFARI S,RAMAN R K S,DAVIES C H J,et al. Stress corrosion cracking and corrosion fatigue characterisation of MgZn1Ca0.3(ZX10) in a simulated physiological environment[J]. Journal of the Mechanical Behavior of Biomedical Materials,2017,65:634-643.
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