Epoxy Infiltration into Nanoporous Aluminum Oxide
作者： D. Arayasantiparb , S. McKnight , M. Libera
DOI: 10.1080/00218460108030726
关键词: Ultramicrotomy 、 Materials science 、 Composite material 、 Scanning transmission electron microscopy 、 Scanning electron microscope 、 Oxide 、 Nanoporous 、 Electron microscope 、 Diglycidyl ether 、 Epoxy
摘要: Abstract This research uses spatially-resolved electron energy-loss spectroscopy (EELS) in a scanning transmission microscope (STEM) to study epoxy infiltration into nanoporous aluminum surface oxide. Imaging by microscopy (SEM) shows that the oxide of an as-anodized wire consists columnar nanopores with diameters ranging from approximately 5 -150 nm. Anodized wires were embedded 100 g: 28 g mixture DGEBA (diglycidyl ether bisphenol-A) resin and PACM20 (bis(p-aminocyclohexyl)methane) curing agent followed two-step cure. Electron-transparent sections cut ultramicrotomy. Spatially-resolved carbon oxygen EELS profiles are anti-correlated indicating pore walls separated interiors containing epoxy. low-loss spectral data transformed measure apparent specimen thickness. Comparisons such simulations based on experimentally derived topologies indica...
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