·592· 工程科学学报，第40卷，第5期 a 100 100um 00m 图82507不绣钢在不同浓度NaHS0,的3.5%NaC溶液中浸泡125d去腐蚀产物后的表面腐蚀形貌.(a)0mol-L1:(b)0.001mol· L-1;(c)0.01 mol-L-1 Fig.8 Surface corrosion morphologies of 2507 stainless steel immersed in a 3.5%NaCl solution containing different concentrations of NaHSO for 125 d after the elimination of the corrosion product:(a)0mol-L;(b)0.001 mol-L;(c)0.01 mol-L- Duplex Stainless Steel in Cooling Water System [Dissertation].[12]Du DF.Study on Microstructure and Properties of SAF2507 Du- Xi'an:Xi'an Shiyou University,2014 plex Stainless Steel GTAW Welded Joint Dissertation].Taiyuan: (李辉辉.双相不锈钢在冷却水系统中的腐蚀行为与机理研 Taiyuan University of Science Technology,2013 究[学位论文].西安：西安石油大学，2014) (杜东方.SAF2507双相不锈钢GTAW焊接接头组织与性能 [5]Zhang Y N.Application analysis of 2507 duplex steel in urea 研究[学位论文].太原：太原科技大学，2013) equipment.Process Equip Piping,2011,48(6):58 [13]Chen E L.Study on the Surface Modifications of 2205 and 2507 (张亚宁.2507双相不锈钢在尿素设备中的应用分析.化工 Duplex Stainless Steels by High Current Pulsed Electron Beam 设备与管道，2011,48(6)：58) Dissertation ]Shanghai:Shanghai University of Engineering [6]Li D L,Fu G Q,Zhu M Y.Corrosion characteristics of low-carbon Science,2016 steel in hot and humid industrial-marine atmosphere.Chin Eng, (陈二雷.2205及2507双相不锈钢的强流脉冲电子束表面 2017,39(5):739 改性研究[学位论文].上海：上海工程技术大学，2016) (李东亮，付贵勤，朱苗勇.低碳钢在湿热工业海洋大气中的 [14]Hong J F.Electrochemical Suudies on Local Corrosion of Two- 腐蚀特征.工程科学学报，2017,39(5)：739) phase Stainless Steel 2304 and 2507 Welds [Dissertation ] [7]Zhang S C.Jiang Z H,Li H B,et al.Detection of susceptibility Shanghai:Fudan University,2013 to intergranular corrosion of aged super austenitic stainless steel (洪巨锋.双相不锈钢2304与2507焊缝局部腐蚀电化学研 S32654 by a modified electrochemical potentiokinetic reactivation 究[学位论文].上海：复旦大学，2013) method.J Alloys Compd,2017,695:3083 [15]Zheng C B,Chen X.Effect of solution treatment temperature on [8]Gong M,Zou Z,Zheng X W,et al.Corrosion behavior of 2205 microstructure and corrosion resistance of 2507 duplex stainless duplex stainless steel in bittem.Corros Prot,2009,30(7):473 steel.J Guangxi Acad Sci,2016,32(3):161 (龚敏，邹振，郑兴文，等.2205双相不锈钢在卤水环境中的 (郑传波，陈曦.固溶处理温度对2507双相不锈钢组织结构 腐蚀行为.腐蚀与防护，2009,30(7)：473) 及耐蚀性能的影响.广西科学院学报，2016,32(3)：161) [9]Jin S,Liu C M,Lin X,et al.Effect of inorganic anions on the [16]Stefanoni M,Angst U,Elsener B.Local electrochemistry of rein- corrosion behavior of UNS S32750 duplex stainless steel in chloride forcement steel-distribution of open circuit and pitting potentials solution.Mater Corros,2015,66(10)1077 on steels with different surface condition.Corros Sci,2015,98: [10]Virgin L N,Davis R B.Vibration isolation using buckled struts. 610 J Sound Vib,2003,260(5):965 [17]Hu J C.Wang H F,He M C,et al.Impedance spectroscopy and [11]Wang J F,Liu L L,Hua FA,et al.Hot deformation behavior of application to test the microcrack of rock.Chin Geotech Eng, 2507 super duplex stainless steel.Special Steel,2011,32(6): 2007,29(6):853 (胡江春，王红芳，何满潮，等。交流阻抗谱法及其在岩石微 (王佳夫，刘丽丽，花福安，等.2507超级双相不锈钢的热 裂纹检测中的应用.岩土工程学报，2007,29(6)：853) 变形行为.特殊钢.2011,32(6)：50) [18]Ouyang W Z.Equivalent cireuit for ElS study on rusted marine工程科学学报,第 40 卷,第 5 期 图 8 2507 不锈钢在不同浓度 NaHSO3 的 3郾 5% NaCl 溶液中浸泡 125 d 去腐蚀产物后的表面腐蚀形貌 郾 ( a) 0 mol·L - 1 ; ( b) 0郾 001 mol· L - 1 ; (c) 0郾 01 mol·L - 1 Fig. 8 Surface corrosion morphologies of 2507 stainless steel immersed in a 3郾 5% NaCl solution containing different concentrations of NaHSO3 for 125 d after the elimination of the corrosion product: (a) 0 mol·L - 1 ; (b) 0郾 001 mol·L - 1 ; (c) 0郾 01 mol·L - 1 Duplex Stainless Steel in Cooling Water System [ Dissertation ]. Xi爷an: Xi爷an Shiyou University, 2014 (李辉辉. 双相不锈钢在冷却水系统中的腐蚀行为与机理研 究[学位论文]. 西安: 西安石油大学, 2014) [5] Zhang Y N. Application analysis of 2507 duplex steel in urea equipment. Process Equip Piping, 2011, 48(6): 58 (张亚宁. 2507 双相不锈钢在尿素设备中的应用分析. 化工 设备与管道, 2011, 48(6): 58) [6] Li D L, Fu G Q, Zhu M Y. Corrosion characteristics of low鄄carbon steel in hot and humid industrial鄄marine atmosphere. Chin J Eng, 2017, 39(5): 739 (李东亮, 付贵勤, 朱苗勇. 低碳钢在湿热工业海洋大气中的 腐蚀特征. 工程科学学报, 2017, 39(5): 739) [7] Zhang S C, Jiang Z H, Li H B, et al. Detection of susceptibility to intergranular corrosion of aged super austenitic stainless steel S32654 by a modified electrochemical potentiokinetic reactivation method. J Alloys Compd, 2017, 695: 3083 [8] Gong M, Zou Z, Zheng X W, et al. Corrosion behavior of 2205 duplex stainless steel in bittern. Corros Prot, 2009, 30(7): 473 (龚敏, 邹振, 郑兴文, 等. 2205 双相不锈钢在卤水环境中的 腐蚀行为. 腐蚀与防护, 2009, 30(7): 473) [9] Jin S, Liu C M, Lin X, et al. Effect of inorganic anions on the corrosion behavior of UNS S32750 duplex stainless steel in chloride solution. Mater Corros, 2015, 66(10): 1077 [10] Virgin L N, Davis R B. Vibration isolation using buckled struts. J Sound Vib, 2003, 260(5): 965 [11] Wang J F, Liu L L, Hua F A, et al. Hot deformation behavior of 2507 super duplex stainless steel. Special Steel, 2011, 32(6): 50 (王佳夫, 刘丽丽, 花福安, 等. 2507 超级双相不锈钢的热 变形行为. 特殊钢, 2011, 32(6): 50) [12] Du D F. Study on Microstructure and Properties of SAF2507 Du鄄 plex Stainless Steel GTAW Welded Joint [Dissertation]. Taiyuan: Taiyuan University of Science & Technology, 2013 (杜东方. SAF2507 双相不锈钢 GTAW 焊接接头组织与性能 研究[学位论文]. 太原: 太原科技大学, 2013) [13] Chen E L. Study on the Surface Modifications of 2205 and 2507 Duplex Stainless Steels by High Current Pulsed Electron Beam [Dissertation ]. Shanghai: Shanghai University of Engineering Science, 2016 (陈二雷. 2205 及 2507 双相不锈钢的强流脉冲电子束表面 改性研究[学位论文]. 上海: 上海工程技术大学, 2016) [14] Hong J F. Electrochemical Studies on Local Corrosion of Two鄄 phase Stainless Steel 2304 and 2507 Welds [ Dissertation ]. Shanghai: Fudan University, 2013 (洪巨锋. 双相不锈钢 2304 与 2507 焊缝局部腐蚀电化学研 究[学位论文]. 上海: 复旦大学, 2013) [15] Zheng C B, Chen X. Effect of solution treatment temperature on microstructure and corrosion resistance of 2507 duplex stainless steel. J Guangxi Acad Sci, 2016, 32(3): 161 (郑传波, 陈曦. 固溶处理温度对 2507 双相不锈钢组织结构 及耐蚀性能的影响. 广西科学院学报, 2016, 32(3): 161) [16] Stefanoni M, Angst U, Elsener B. Local electrochemistry of rein鄄 forcement steel鄄鄄 distribution of open circuit and pitting potentials on steels with different surface condition. Corros Sci, 2015, 98: 610 [17] Hu J C, Wang H F, He M C, et al. Impedance spectroscopy and application to test the microcrack of rock. Chin J Geotech Eng, 2007, 29(6): 853 (胡江春, 王红芳, 何满潮, 等. 交流阻抗谱法及其在岩石微 裂纹检测中的应用. 岩土工程学报, 2007, 29(6): 853) [18] Ouyang W Z. Equivalent circuit for EIS study on rusted marine ·592·