·840. 工程科学学报，第40卷，第7期 a b @ 口w— 图8各试样在青岛大气暴露1a后试样断口形貌.(a)1:(b)2:(c)3*:(d)4:(2)、(b2)、(c2)和(d2)为边缘形貌：(a)、(b)、(c3)和 (d)为中心形貌 Fig.8 Fracture morphology of the samples after exposure in Qingdao for one year:(a)1;(b)2;(c)3;(d)4;(a2),(b2),(c2)and (d2) edge morphology;()(b3),(c3)and (d3)center morphology [5]Wang S,Yang L,Huang Y H,et al.Initial corrosion behavior (上官晓峰，姜松，王晴晴.海洋大气中30 CrMnSiNi2A钢接 in different atmospherie environments of 6061Al alloy anodized in 触腐蚀疲劳性能研究.西安工业大学学报，2014,34(2)： boron-sulfuric acid solution.Chin J Mater Res,2017,31(1):49 152) (王沙沙，杨浪，黄运华，等.硼硫酸阳极氧化6061铝合金在 [7]He X F,Liu WT,WangZ B,et al.Pre-corrosion degradation in- 不同大气环境中的初期腐蚀行为研究.材料研究学报，2017， fluence on the fatigue life for 30CrMnSiNi2A specimen.J Mech 31(1):49) Strength.2009,31(4):664 [6]Shang Guan X F,Jiang S,Wang QQ.Research on fatigue prop- (贺小帆，刘文珽，王忠波，等.预腐蚀对30 CrMnSiNi2A连接 erties of galvanie corrosion of 30CrMnSiNi2A steel in marine at- 件疲劳寿命影响的试验研究.机械强度，2009,31(4)：664) mosphere.J Xi'an Technol Unin,2014,34(2):152 [8]Tu G S,Wang J,Long P K,et al.Technology application of low工程科学学报,第 40 卷,第 7 期 图 8 各试样在青岛大气暴露 1 a 后试样断口形貌. (a)1 # ;(b)2 # ;(c)3 # ;(d)4 # ; (a2 )、(b2 )、(c2 )和(d2 )为边缘形貌;(a3 )、(b3 )、(c3 )和 (d3 )为中心形貌 Fig. 8 Fracture morphology of the samples after exposure in Qingdao for one year: (a) 1 # ; (b) 2 # ;(c) 3 # ;(d) 4 # ; (a2 ), (b2 ), (c2 ) and (d2 ) edge morphology; (a3 ), (b3 ), (c3 ) and (d3 ) center morphology [5] Wang S S, Yang L, Huang Y H, et al. Initial corrosion behavior in different atmospheric environments of 6061Al alloy anodized in boron鄄sulfuric acid solution. Chin J Mater Res, 2017, 31(1): 49 (王沙沙, 杨浪, 黄运华, 等. 硼硫酸阳极氧化 6061 铝合金在 不同大气环境中的初期腐蚀行为研究. 材料研究学报, 2017, 31(1): 49) [6] Shang Guan X F, Jiang S, Wang Q Q. Research on fatigue prop鄄 erties of galvanic corrosion of 30CrMnSiNi2A steel in marine at鄄 mosphere. J Xi爷an Technol Univ, 2014, 34(2): 152 (上官晓峰, 姜松, 王晴晴. 海洋大气中 30CrMnSiNi2A 钢接 触腐蚀疲劳性能研究. 西安工业大学学报, 2014, 34 ( 2 ): 152) [7] He X F, Liu W T, Wang Z B, et al. Pre鄄corrosion degradation in鄄 fluence on the fatigue life for 30CrMnSiNi2A specimen. J Mech Strength, 2009, 31(4): 664 (贺小帆, 刘文珽, 王忠波, 等. 预腐蚀对 30CrMnSiNi2A 连接 件疲劳寿命影响的试验研究. 机械强度, 2009, 31(4): 664) [8] Tu G S, Wang J, Long P K, et al. Technology application of low ·840·