钢桥面沥青混凝土铺装层下热喷锌涂层的腐蚀行为
CORROSIVE BEHAVIOR OF THERMAL SPRAYED ZINC COATING UNDER ASPHALT CONCRETE COAT ON STEELBRIDGE DECK
摘 要
研究了钢桥面沥青混凝土铺装层下热喷锌防腐蚀涂层的腐蚀特征,并在此基础上提出锌涂层腐蚀导致沥青混凝土铺装层性能下降的理论假设模型.采用IM6ex电化学工作站研究了热喷锌涂层的腐蚀电位、腐蚀电流与时间的关系,涂层的极化特性,采用XRD分析了锌涂层的腐蚀产物.结果表明锌涂层腐蚀产物中存在大量ZnO和Zn5(CO3)2(OH)6,破坏了粘结层与锌涂层之间的粘结,起到裂纹源的破坏作用,使铺装层在载荷的作用下提前失效.
沥青混凝土
热喷锌
电化学腐蚀
粘接层
Steel bridge deck pavement
Asphalt concrete
Thermal sprayed Zinc
Electrochemical corrosion
Bond coat
Abstract
Corrosion properties of thermal sprayed Zinc coating under asphalt concrete pavement coat were studied.A theoretic model was set up to explain the reason for the electrochemical corrosion of thermal sprayed Zinc coating to reduce the capability of asphalt concrete coat.Relationship between potential and immersion time for coating,and polarization properties of the coating were studied with an IM6ex electrochemical workstation.Corrosion products were studied with XRD.A great lot of ZnO and Zn5(CO3)2(OH)6 were found in the corrosion products,which could destroy the bond between bond coat and anticorrosive coat,and acted as the headstream of cracks,making pavement coat destroyed ahead of schedule under load.
中图分类号 TG174.44 U443.33
所属栏目 试验研究
基金项目 江苏省自然科学基金项目(BK20050);江苏省交通科技计划项目(06Y24)
收稿日期 2007/4/11
修改稿日期 2007/5/8
网络出版日期
作者单位点击查看
引用该论文: WAND De-kui,SHEN Cheng-jin,JIA zhi-yong. CORROSIVE BEHAVIOR OF THERMAL SPRAYED ZINC COATING UNDER ASPHALT CONCRETE COAT ON STEELBRIDGE DECK[J]. Corrosion & Protection, 2007, 28(9): 445～448
被引情况:
【1】徐志刚, "喷涂锌铝(ZAA)覆盖层在模拟海洋环境中的腐蚀失效机理",腐蚀与防护 34, 252-255(2013)
【2】沈承金,明图章,张健康,胡光伟,汪洋,王夫顺, "大跨径钢箱梁桥面铺装层下喷锌涂层腐蚀行为",腐蚀与防护 29, 434-437(2008)
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参考文献
【1】罗立蜂,钟鸣,黄成造编译.钢桥面铺装概述[J].国外公路,2004,4:16-19.
【2】沈承金,孙智,易春龙.钢桥面二次雾化电弧喷涂防腐设备和技术的研究[J].中国腐蚀与防护学报,2004,24(2):125-127.
【3】Shen Chengjin.The application and performance of zinc coating on highway steel bridge deck[C]//16th International Corrosion Congress,2005:18-C-2.
【4】P Jayaweera,D M Lowe,ASanjurjo,et al.Corrosion-resistant metallic coating on low carbon steel[J].Surface and Coatings Technology,1996,86-87:522-525.
【5】张中礼.热喷涂技术在钢铁结构件防腐方面的应用[J].腐蚀科学与防护技术,2000,12(6):354-358.
【6】黄永昌.电化学保护技术及其应用[J].腐蚀与防护,2000,21(4):191-193.
【7】刘燕,朱子新,陈永雄,等.Zn-Al系列高速电弧喷涂层电化学防腐性能研究[J].中国表面工程,2004,17(5):23-25.
【8】李茂涛,何兆益.桥面铺装技术讨论[J].重庆交通学院学报,2004,23(5):5-7.
【9】Phorgotten Phenomena.Fillform corrosion on coated steel[J].Materials Performance,1998,5:67-68.
【10】Y G Kweon,C Cod det.Blistering mechanisms of thermally sprayed zinc and zinc-based coatings in seawater[J].Corrosion Science,1992,48(8):660-656.
【11】张显程,巩建鸣,涂善东,等.涂层缺陷对涂层失效与基体腐蚀行为的影响研究[J].材料科学与工程学报,2003,21(6):922-926.
【12】沈承金,俞尊璞,王锐.长效防腐复合涂层耐蚀寿命研究[J].材料保护,1992,25(12):27-30.
【2】沈承金,孙智,易春龙.钢桥面二次雾化电弧喷涂防腐设备和技术的研究[J].中国腐蚀与防护学报,2004,24(2):125-127.
【3】Shen Chengjin.The application and performance of zinc coating on highway steel bridge deck[C]//16th International Corrosion Congress,2005:18-C-2.
【4】P Jayaweera,D M Lowe,ASanjurjo,et al.Corrosion-resistant metallic coating on low carbon steel[J].Surface and Coatings Technology,1996,86-87:522-525.
【5】张中礼.热喷涂技术在钢铁结构件防腐方面的应用[J].腐蚀科学与防护技术,2000,12(6):354-358.
【6】黄永昌.电化学保护技术及其应用[J].腐蚀与防护,2000,21(4):191-193.
【7】刘燕,朱子新,陈永雄,等.Zn-Al系列高速电弧喷涂层电化学防腐性能研究[J].中国表面工程,2004,17(5):23-25.
【8】李茂涛,何兆益.桥面铺装技术讨论[J].重庆交通学院学报,2004,23(5):5-7.
【9】Phorgotten Phenomena.Fillform corrosion on coated steel[J].Materials Performance,1998,5:67-68.
【10】Y G Kweon,C Cod det.Blistering mechanisms of thermally sprayed zinc and zinc-based coatings in seawater[J].Corrosion Science,1992,48(8):660-656.
【11】张显程,巩建鸣,涂善东,等.涂层缺陷对涂层失效与基体腐蚀行为的影响研究[J].材料科学与工程学报,2003,21(6):922-926.
【12】沈承金,俞尊璞,王锐.长效防腐复合涂层耐蚀寿命研究[J].材料保护,1992,25(12):27-30.
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