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Effect of anti-corrosive performance, roughness and chemical composition of pre-treatment layer on the overall performance of the paint system on cold-rolled steel
Gao, Xiang1; Li, Weihua1,2; Ma, Houyi3
2017-11-25
Source PublicationSURFACE & COATINGS TECHNOLOGY
Volume329Pages:19-28
SubtypeArticle
AbstractMany fundamental researches about the effect of some basic properties of a pre-treatment layer, such as anti-corrosive performance, surface roughness and chemical composition on the overall performance of paint systems were investigated. Three kinds of pre-treatment layers: bare polyacrylic acid (PAA) layer, Mo based layer and Mo doped PAA layer were deposited on cold-rolled steel surfaces through immersing the steel samples in the corresponding solution. The electrochemical measurements results indicated that after been treated in PAA solution, the steels became vulnerable to corrosion and the Mo based layer and Mo doped PAA layer could improve the corrosion resistance of steel to a certain degree. The values of root-mean-square roughness of the bare steel, bare PAA layer, Mo based layer and Mo doped PAA layer were 15.0 nm, 11.3 nm, 13.0 run and 59.1 nm, respectively. The corresponding values of arithmetic average roughness of the samples were 16.9 nm, 10.5 nm, 9.1 nm and 41.0 nm, respectively. The spectroscopy results indicated that the surface of the bare PAA and Mo doped PAA layer covered steels contained abundant COON groups and the composition of Mo based layer covered steel surface was mainly oxides. According to the impact test and neutral salt spray test results, the corrosion mitigation performance, microstructure and chemical composition of the pre-treatment layer could all affect the overall performance of the paint system. All the results indicated that the anti-corrosive performance was not the only index, the microstructure and chemical composition also needed to be considered in the development of a new generation pre-treatment layer.
KeywordPre-treatment Layer Polyacrylic Acid Corrosion Resistance Adhesion Paint System
DOI10.1016/j.surfcoat.2017.09.029
Indexed BySCI
Language英语
WOS IDWOS:000414115300003
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/143052
Collection海洋环境腐蚀与与生物污损重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Qingdao Technol Univ, Cooperat Innovat Ctr Engn Construct & Safety Shan, Qingdao 266033, Peoples R China
3.Shandong Univ, Sch Chem & Chem Engn, State Educ Minist, Key Lab Colloid & Interface Chem, Jinan 250100, Shandong, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Gao, Xiang,Li, Weihua,Ma, Houyi. Effect of anti-corrosive performance, roughness and chemical composition of pre-treatment layer on the overall performance of the paint system on cold-rolled steel[J]. SURFACE & COATINGS TECHNOLOGY,2017,329:19-28.
APA Gao, Xiang,Li, Weihua,&Ma, Houyi.(2017).Effect of anti-corrosive performance, roughness and chemical composition of pre-treatment layer on the overall performance of the paint system on cold-rolled steel.SURFACE & COATINGS TECHNOLOGY,329,19-28.
MLA Gao, Xiang,et al."Effect of anti-corrosive performance, roughness and chemical composition of pre-treatment layer on the overall performance of the paint system on cold-rolled steel".SURFACE & COATINGS TECHNOLOGY 329(2017):19-28.
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