期刊
CORROSION SCIENCE
卷 49, 期 3, 页码 1513-1526出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.corsci.2006.07.004
关键词
iron; steel; AFS; XRD; rust
The extended X-ray absorption fine structure (EXAFS) method was used for investigating the local structures of lepidocrocite and goethite with and without silicon. The structure and morphology of these particles were investigated using X-ray diffraction and transmission electron microscopy, respectively. The bonding structure was examined by Fourier transform infrared spectroscopy (FT-IR). When silicon species was added, the structure and morphology changed while the linkage of FeO6 octahedral units was distorted. The FT-IR spectra revealed the formation of the FeO-Si bond in particles containing silicate ions, and the characteristic bond affects the local structure and morphology of the particles. (c) 2006 Elsevier Ltd. All rights reserved.
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