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Enhancement of the erosion–corrosion resistance of Dacromet with hybrid SiO2 sol–gel by Liu Jianguo; Gong Gaoping; Yan Chuanwei is a Engineering article available to read on EtoBox.
What is Enhancement of the erosion–corrosion resistance of Dacromet with hybrid SiO2 sol–gel about?
A hybrid SiO 2 gel/Dacromet composite coating system was designed and prepared by brushing technique from nano-scale organofunctional silica sol on Dacromet-coated carbon steel to enhance the erosion -corrosion resistance of the Dacromet. This particular silica sol was synthesized by the acid catalyzed hydrolysis with TEOS (tetraethoxysilane) and g-MAPTS (g-Methacryloxypropyltrimethoxysilane) in an ethanol medium. The silica particles showed a characteristic shape due to the intertwisting of the organic chain. The hybrid SiO 2 gel/Dacromet composite coating system exhibited a mass loss rate with 4.5 times lower than that of single Dacromet in the simplified industrial medium (3.5% NaCl, 35 wt.% sand and distilled water). A crack-free surface was observed for the hybrid SiO 2 gel/Dacromet system due to the incorporation of an organic group during the preparation process so as to produce a restrained synergistic effect of erosion and corrosion. The nano-particles in SiO 2 sols did enter into the micro-defects of Dacromet as confirmed by SEM. The change in IR spectra indicated a chemical covalent bond between the gel film and Dacromet through certain reactions. The electrochemical mea
Who reads Enhancement of the erosion–corrosion resistance of Dacromet with hybrid SiO2 sol–gel?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Liu Jianguo; Gong Gaoping; Yan Chuanwei
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0257-8972)
- Published
- 2006
- Language
- EN
- Field
- Engineering (Physical Sciences)