98· 工程科学学报，第40卷，第1期 没有明显表面缺陷损伤铝合金商品原表面粗糙度 [7]Sun F L,Li X G,Lu L,et al.Corrosion behavior of 5052 and (Ra约为0.613m)的2.25倍. 6061 aluminum alloys in deep ocean environment of South China Sea.Acta Metall Sin,2013,49(10)1219 (3)6005A铝合金在NaCl质量分数3.5%的模 (孙飞龙，李晓刚，卢琳，等.5052和6061铝合金在中国南海 拟海水溶液中发生全面腐蚀和点蚀，表面缺陷越多， 深海环境下的腐蚀行为研究.金属学报，2013,49(10)： 粗糙度越大，耐蚀性越差：表面缺陷较多或经过磨制 1219) 处理后，6005A铝合金在模拟海水环境下均会表现 [8]Schumacher MM.Sea Water Corrosion Handbook.New Jersey: 出较大的腐蚀速率，主要是因为表面粗糙度和残余 Noyes Data Corp.,1979 应变程度较高，且氧化膜遭到破坏，对基体的保护 [9]Fadace H,Javidi M.Investigation on the corrosion behaviour and microstructure of 2024-T3 Al alloy treated via plasma electrolytic 变弱. oxidation.J Alloys Compd,2014,604:36 (4)电化学测试结果表明，表面缺陷越多，粗糙 [10]Yang F B,He Y F,Li DQ,et al.Salt spray corrosion resistance 度越大，腐蚀电位越低，腐蚀电流密度越大，耐蚀性 of SSM319s aluminum alloy with surface blast treatment.Chin 越差.表面缺陷较少试样的容抗弧半径最大，阻抗 Rare Me,2014,38(6):941 较高：表面缺陷较多的试样由于氧化膜遭到严重破 (杨福宝，何优锋，李大全，等.表面喷丸处理对SSM319s 铝合金耐盐雾腐蚀性能的影响.稀有金属，2014,38(6)： 坏，容抗弧发生了收缩，阻抗减小：磨制态试样的容 941) 抗弧收缩至最小，阻抗最低 [11]Guo Y L,Han E H,Wang J Q.Effects of surface state on the (5)6005A铝合金表面损伤对其耐海水腐蚀性 electrochemical corrosion behavior of nuclear grade 316LN stain- 能产生影响的原因：表面损伤造成铝合金商品原表 less steel.Chin J Eng,2016,38(1):87 面膜被破坏，损伤越严重，表面缺陷越多，粗糙度越 (郭跃岭，韩恩厚，王俭秋.表面状态对核级316LN不锈钢 电化学腐蚀行为的影响.工程科学学报，2016,38(1)：87) 大，表面膜的破坏和表面塑性变形越严重，铝元素会 [12]Zhang Z M,Wang J Q,Han E H,et al.Effects of surface condi- 因为被活化而迅速溶解，有着更高的腐蚀速率，而缺 tion on corrosion and stress corosion eracking of alloy 690TT.J 陷较少表面有较为均匀致密的氧化膜，对基体有着 Chin Soc Corros Prot,2011,31(6):441 较好的保护性，能够有效的减缓金属的进一步腐蚀. (张志明，王俭秋，韩恩厚，等.表面状态对690TT合金腐蚀 及应力腐蚀行为的影响.中国腐蚀与防护学报，2011,31 参考文献 (6):441) [1]Dong P.Study on Microstructures and Properties of Friction Stir [13]Acharyya S G.Khandelwal A,Kain V,et al.Surface working of 304L stainless steel:impact on microstructure,electrochemical Welding Joints of 6005A-T6 Aluminum Alloy.Changchun:Jilin University,2014 behavior and SCC resistance.Mater Charact,2012,72:68 [14]Large D,Sabot R,Feaugas X.Influence of stress-strain field on (董鹏.6005A-T6铝合金搅拌摩擦焊接头的组织与性能研究 the dissolution process of polycrystalline nickel in H,SO solu- [学位论文].长春：吉林大学，2014) tion:an original in situ method.Electrochim Acta,2007,52 [2]Ji S D,Meng X C,Liu J G,et al.Formation and mechanical (27):7746 properties of stationary shoulder friction stir welded 6005A-T6 alu- [15]Ziemniak S E,Hanson M,Sander P C.Electropolishing effects minum alloy.Mater Des,2014,62:113 on corrosion behavior of 304 stainless steel in high temperature, [3] Vyazovikina N V.The effect of scandium on the corrosion resist- hydrogenated water.Corros Sci,2008.50(9):2465 ance of aluminum and its alloys in 3%NaCl solution.Prot Met, [16]Li W,Li D Y.Influence of surface morphology on corrosion and 1999,35(5):448 electronic behavior.Acta Mater,2006,54(2):445 [4]Gou G Q,Huang N,Chen H,et al.Analysis on corrosion behav- [17]Cao C N,Wang J,Lin H C.Effect of Cl-ion on the impend- ior of welded joint of A7NO1S-T5 aluminum alloy for high-speed ence of passive-film-covered electrodes.J Chin Soc Corros Prot, train.Trans China Weld Inst,2011,32(10):17 1989,9(4):261 (苟国庆，黄楠，陈辉，等.高速列车A7N01S-T5铝合金焊接 (曹楚南，王佳，林海潮.氯离子对钝态金属电极阻抗频谱 接头盐雾腐蚀行为分析.焊接学报，2011,32(10)：17) 的影响.中国腐蚀与防护学报，1989,9(4)：261) [5]Vargel C.Corrosion of Aluminum.Amsterdam:Elsevier,2004 [18]Andreatta F,Terryn H,De Wit J H W.Corrosion behaviour of [6]Ding R H,Li WX,Lu YJ.et al.Corrosion resistance property of different tempers of AA7075 aluminium alloy.Electrochim Acta, rapidly solidified high temperature AA 8009 alloy and its welds. 2004,49(17-18):2851 Cent South Univ Sci Technol,2005,36(5):784 [19]Cao C N.Principle of Corrosion Electrochemistry.Beijing:Chem- (丁荣辉，黎文献，路彦军，等.快速凝固AA8009耐热铝合 ical Industry Press,2004 金及其焊缝的耐腐蚀性能.中南大学学报（自然科学版）， (曹楚南.腐蚀电化学原理.北京：化学工业出版社，2004) 2005,36(5):784)工程科学学报,第 40 卷,第 1 期 没有明显表面缺陷损伤铝合金商品原表面粗糙度 (Ra 约为 0郾 613 滋m)的 2郾 25 倍. (3)6005A 铝合金在 NaCl 质量分数 3郾 5% 的模 拟海水溶液中发生全面腐蚀和点蚀,表面缺陷越多, 粗糙度越大,耐蚀性越差;表面缺陷较多或经过磨制 处理后,6005A 铝合金在模拟海水环境下均会表现 出较大的腐蚀速率,主要是因为表面粗糙度和残余 应变程度较高,且氧化膜遭到破坏,对基体的保护 变弱. (4)电化学测试结果表明,表面缺陷越多,粗糙 度越大,腐蚀电位越低,腐蚀电流密度越大,耐蚀性 越差. 表面缺陷较少试样的容抗弧半径最大,阻抗 较高;表面缺陷较多的试样由于氧化膜遭到严重破 坏,容抗弧发生了收缩,阻抗减小;磨制态试样的容 抗弧收缩至最小,阻抗最低. (5)6005A 铝合金表面损伤对其耐海水腐蚀性 能产生影响的原因:表面损伤造成铝合金商品原表 面膜被破坏,损伤越严重,表面缺陷越多,粗糙度越 大,表面膜的破坏和表面塑性变形越严重,铝元素会 因为被活化而迅速溶解,有着更高的腐蚀速率,而缺 陷较少表面有较为均匀致密的氧化膜,对基体有着 较好的保护性,能够有效的减缓金属的进一步腐蚀. 参 考 文 献 [1] Dong P. Study on Microstructures and Properties of Friction Stir Welding Joints of 6005A鄄鄄 T6 Aluminum Alloy. Changchun: Jilin University, 2014 (董鹏. 6005A鄄鄄T6 铝合金搅拌摩擦焊接头的组织与性能研究 [学位论文]. 长春: 吉林大学, 2014) [2] Ji S D, Meng X C, Liu J G, et al. Formation and mechanical properties of stationary shoulder friction stir welded 6005A鄄鄄T6 alu鄄 minum alloy. Mater Des, 2014, 62: 113 [3] Vyazovikina N V. The effect of scandium on the corrosion resist鄄 ance of aluminum and its alloys in 3% NaCl solution. Prot Met, 1999, 35(5): 448 [4] Gou G Q, Huang N, Chen H, et al. Analysis on corrosion behav鄄 ior of welded joint of A7N01S鄄鄄 T5 aluminum alloy for high鄄speed train. Trans China Weld Inst, 2011, 32(10): 17 (苟国庆, 黄楠, 陈辉, 等. 高速列车 A7N01S鄄鄄T5 铝合金焊接 接头盐雾腐蚀行为分析. 焊接学报, 2011, 32(10): 17) [5] Vargel C. Corrosion of Aluminum. Amsterdam: Elsevier, 2004 [6] Ding R H, Li W X, Lu Y J, et al. Corrosion resistance property of rapidly solidified high temperature AA 8009 alloy and its welds. J Cent South Univ Sci Technol, 2005, 36(5): 784 (丁荣辉, 黎文献, 路彦军, 等. 快速凝固 AA8009 耐热铝合 金及其焊缝的耐腐蚀性能. 中南大学学报( 自然科学版), 2005, 36(5): 784) [7] Sun F L, Li X G, Lu L, et al. Corrosion behavior of 5052 and 6061 aluminum alloys in deep ocean environment of South China Sea. Acta Metall Sin, 2013, 49(10): 1219 (孙飞龙, 李晓刚, 卢琳, 等. 5052 和6061 铝合金在中国南海 深海环境下的腐蚀行为研究. 金属学报, 2013, 49 ( 10 ): 1219) [8] Schumacher M M. Sea Water Corrosion Handbook. New Jersey: Noyes Data Corp. , 1979 [9] Fadaee H, Javidi M. Investigation on the corrosion behaviour and microstructure of 2024鄄鄄T3 Al alloy treated via plasma electrolytic oxidation. J Alloys Compd, 2014, 604: 36 [10] Yang F B, He Y F, Li D Q, et al. Salt spray corrosion resistance of SSM319s aluminum alloy with surface blast treatment. Chin J Rare Met, 2014, 38(6): 941 (杨福宝, 何优锋, 李大全, 等. 表面喷丸处理对 SSM319s 铝合金耐盐雾腐蚀性能的影响. 稀有金属, 2014, 38 (6): 941) [11] Guo Y L, Han E H, Wang J Q. Effects of surface state on the electrochemical corrosion behavior of nuclear grade 316LN stain鄄 less steel. Chin J Eng, 2016, 38(1): 87 (郭跃岭, 韩恩厚, 王俭秋. 表面状态对核级 316LN 不锈钢 电化学腐蚀行为的影响. 工程科学学报, 2016, 38(1): 87) [12] Zhang Z M, Wang J Q, Han E H, et al. Effects of surface condi鄄 tion on corrosion and stress corrosion cracking of alloy 690TT. J Chin Soc Corros Prot, 2011, 31(6): 441 (张志明, 王俭秋, 韩恩厚, 等. 表面状态对 690TT 合金腐蚀 及应力腐蚀行为的影响. 中国腐蚀与防护学报, 2011, 31 (6): 441) [13] Acharyya S G, Khandelwal A, Kain V, et al. Surface working of 304L stainless steel: impact on microstructure, electrochemical behavior and SCC resistance. Mater Charact, 2012, 72: 68 [14] Large D, Sabot R, Feaugas X. Influence of stress鄄strain field on the dissolution process of polycrystalline nickel in H2 SO4 solu鄄 tion: an original in situ method. Electrochim Acta, 2007, 52 (27): 7746 [15] Ziemniak S E, Hanson M, Sander P C. Electropolishing effects on corrosion behavior of 304 stainless steel in high temperature, hydrogenated water. Corros Sci, 2008, 50(9): 2465 [16] Li W, Li D Y. Influence of surface morphology on corrosion and electronic behavior. Acta Mater, 2006, 54(2): 445 [17] Cao C N, Wang J, Lin H C. Effect of Cl - ion on the impend鄄 ence of passive鄄film鄄covered electrodes. J Chin Soc Corros Prot, 1989, 9(4): 261 (曹楚南, 王佳, 林海潮. 氯离子对钝态金属电极阻抗频谱 的影响. 中国腐蚀与防护学报, 1989, 9(4): 261) [18] Andreatta F, Terryn H, De Wit J H W. Corrosion behaviour of different tempers of AA7075 aluminium alloy. Electrochim Acta, 2004, 49(17鄄18): 2851 [19] Cao C N. Principle of Corrosion Electrochemistry. Beijing: Chem鄄 ical Industry Press, 2004 (曹楚南. 腐蚀电化学原理. 北京: 化学工业出版社, 2004) ·98·