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| Content Provider | Springer Nature Link |
|---|---|
| Author | Lu, HongBin Gu, MinHao Huang, JianFeng Hu, Yong Meng, XiangKang |
| Copyright Year | 2009 |
| Abstract | An in-situ polymerization method was employed to synthesize the nanosilica/acrylic/epoxy (SAE) hybrid coating on AISI 430 stainless steel (430SS), as compared with a traditional blending method. Microstructures of the blending SAE hybrid coating (BC) and in-situ SAE hybrid coating (ISC) were characterized by transmission electron microscopy (TEM). Corrosion resistance of BC and ISC on 430SS was evaluated by the neutral salt spray test and potentiodynamic polarization technique. Failure mechanism of the BC on 430SS was suggested by the microstructures and corrosion behaviors. Serious aggregation of nanosilica particles in the BC impairs its structural uniformity and induces the flaws formation. These flaws in the BC initiates the failures of pitting, filiform corrosion and peeling which are accelerated by the O$_{2}$ concentration cell and H$^{+}$ self-catalysis in chlorine-containing moist environments. The ISC-coated 430SS shows a more advantageous corrosion resistance than that of the BC-coated. The ISC-coated 430SS can suffer the salt spray over 1000 h. Besides, it exhibits a high corrosion potential beyond 0.925 V and good passivation characteristics during the potentiodynamic polarization. |
| Starting Page | 2204 |
| Ending Page | 2209 |
| Page Count | 6 |
| File Format | |
| ISSN | 10069321 |
| Journal | Science in China Series E: Technological Sciences |
| Volume Number | 52 |
| Issue Number | 8 |
| e-ISSN | 1862281X |
| Language | English |
| Publisher | SP Science in China Press |
| Publisher Date | 2009-07-01 |
| Publisher Place | Heidelberg |
| Access Restriction | Subscribed |
| Subject Keyword | in-situ polymerization hybrid coating 430 stainless steel (430SS) corrosion resistance failure mechanism Engineering |
| Content Type | Text |
| Resource Type | Article |
| Subject | Engineering Materials Science |
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